Lacroix, M., Février, S., Fernandez Sanchez, E. F., Papeleux, L., Boman, R., & Ponthot, J.-P. (February 2024). A comparative study of interpolation algorithms on non-matching meshes for PFEM-FEM fluid-structure interactions. Computers and Mathematics with Applications, 155, 51-65. doi:10.1016/j.camwa.2023.11.045
In simulations involving fluid-structure interactions, the partitioned coupling approach allows c...
Peer reviewed
Fernandez Sanchez, E. F., Tianyu Zhang, Bobach, B.-J., Papeleux, L., Février, S., Lacroix, M., Boman, R., & Ponthot, J.-P. (December 2023). Simulation of the Friction Melt Bonding (FMB) process using the FEM + PFEM [Paper presentation]. Workshop on Friction Stir based processes, Louvain-la-Neuve, Belgium.
Peer reviewed
Lacroix, M., Février, S., Fernandez Sanchez, E. F., Papeleux, L., Boman, R., & Ponthot, J.-P. (10 October 2023). Comparison of Interpolation Algorithms on Non-Matching Meshes for Partitioned Thermo-Mechanical Fluid-Structure Interactions [Paper presentation]. 9th International Conference on Particle-Based Methods, Milan, Italy.
Fluid-Structure Interaction (FSI) aims to describe multiphysics problems where both fluid dynamic...
Editorial reviewed
Fernandez Sanchez, E. F., Février, S., Lacroix, M., Papeleux, L., Boman, R., & Ponthot, J.-P. (June 2023). A new remeshing strategy relying on level-set functions for the Particle Finite Element Method [Paper presentation]. International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED PROBLEMS 2023), Chania, Greece.
Since the seminal work of Idelsohn, Oñate and del-Pin (2004), the remeshing process of the Partic...
Peer reviewed
Laruelle, C., Boman, R., Papeleux, L., & Ponthot, J.-P. (2023). Efficient Roll-Forming Simulation Using Non-Conformal Meshes with Hanging Nodes Handled by Lagrange Multipliers. Metals. doi:10.3390/met13050895
Simulations of industrial roll-forming processes using the finite element method typically requir...
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Fernandez Sanchez, E. F., Février, S., Lacroix, M., Boman, R., Papeleux, L., & Ponthot, J.-P. (2023). A particle finite element method based on Level–Set functions. Journal of Computational Physics, 112187. doi:10.1016/j.jcp.2023.112187
Since the seminal work of Idelsohn, Onate and Del-Pin (2004), the Particle Finite Element Method ...
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Falla, R., Bobach, B.-J., Boman, R., Ponthot, J.-P., & Terrapon, V. (2023). Mesh adaption for two-dimensional bounded and free-surface flows with the particle finite element method. Computational Particle Mechanics. doi:10.1007/s40571-022-00541-2
The particle finite element method (PFEM) is a Lagrangian method that avoids large mesh distortio...
Peer reviewed
Bobach, B.-J., Boman, R., Celentano, D., Terrapon, V., & Ponthot, J.-P. (02 September 2022). Towards a PFEM-based unified thermo-fluid-solid simulation tool for phase change problems [Paper presentation]. 8th international conference on "Advanced COmputational Methods in ENgineering", Liège, Belgium.
Editorial reviewed
Février, S., Boman, R., & Ponthot, J.-P. (02 September 2022). Particle Finite Element Method for simulations of Selective Laser Melting with vaporization [Paper presentation]. ACOMEN Congress 2022, Liège, Belgium.
The purpose of this work is the simulation of selective laser melting processes. Such processes i...
Editorial reviewed
Lacroix, M., Février, S., Boman, R., Remacle, J.-F., & Ponthot, J.-P. (01 September 2022). Particle Finite Element Method (PFEM) for 2D/3D Fluid-Structure Interactions, Including Contact Interactions [Paper presentation]. 8th International Conference on Advanced Computational Methods in Engineering, Liège, Belgium.
Fluid-Structure Interaction (FSI) is a multiphysics coupling that aims to describe both fluid dyn...
Editorial reviewed
Tanaka Nunes, G., Papeleux, L., Boman, R., Martiny, P., Adam, L., & Ponthot, J.-P. (31 August 2022). Using FEM and a crack band model with damaged induced anisotropy to predict damage on continuous fiber ceramic matrix composites [Paper presentation]. ACOMEN.
Fernandez Sanchez, E. F., Février, S., Lacroix, M., Boman, R., & Ponthot, J.-P. (2022). Generalized-alpha scheme in the PFEM for velocity-pressure and displacement-pressure formulations of the incompressible Navier-Stokes equations. International Journal for Numerical Methods in Engineering. doi:10.1002/nme.7101
Despite the increasing use of the Particle Finite Element Method (PFEM) in fluid flow simulation ...
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Février, S., Boman, R., & Ponthot, J.-P. (09 June 2022). Particle Finite Element Method for simulations of Selective Laser Melting with vaporization [Paper presentation]. ECCOMAS Congress 2022, Oslo, Norway.
The purpose of this work is the simulation of selective laser melting processes. Such pro- cesses...
Editorial reviewed
Lacroix, M., Février, S., Boman, R., Remacle, J.-F., & Ponthot, J.-P. (06 June 2022). Particle Finite Element Method for 2D/3D Fluid-Structure Interactions, Including Contact Interactions [Paper presentation]. 8th European Congress on Computational Methods in Applied Sciences and Engineering, Oslo, Norway.
The present work focuses on the simulation of 2D and 3D Fluid-Structure Interaction (FSI) problem...
Editorial reviewed
Bouffioux, C., Papeleux, L., Tran, H. S., Ponthot, J.-P., Duchene, L., & Habraken, A. (28 April 2022). Development of a 2.5D Representative Volume Element model of AlSi10Mg material produced by additive manufacturing [Paper presentation]. ESAFORM 2022, Braga, Portugal.
Peer reviewed
Fernandez Sanchez, E. F., Février, S., Lacroix, M., Boman, R., & Ponthot, J.-P. (07 January 2022). Application of the Generalized-alpha time integration scheme in PFEM for solving the incompressible Navier-Stokes equations [Paper presentation]. European Community on Computational Methods in Applied Sciences (ECCOMAS), Oslo, Norway.
Despite the increasing use of the Particle Finite Element Method (PFEM) in fluid flow simulation ...
Peer reviewed
Böhme, B., Laurent, C., Milis, O., Ponthot, J.-P., & Balligand, M. (2022). Determination of Canine Long Bone Ultimate Tensile Strain by Digital Image correlation. Journal of Orthopedic Research and Therapy, 1221. doi:10.29011/2575-8241.001221
Creating finite element models for simulation of bone behaviour, fracture occurrence and propagat...
Peer reviewed
Rajaneesh, A., Ponthot, J.-P., & Bruyneel, M. (2022). Strength Prediction of Quasi-Isotropic Scaled Laminates in Open Hole Tension Using Damage Rate Bound Mesomodel. Applied Composite Materials. doi:10.1007/s10443-022-10081-w
The open hole tension (OHT) test is one of the standard composite material qualification tests at...
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Boemer, D., Carretta, Y., Laugier, M., Legrand, N., Papeleux, L., Boman, R., & Ponthot, J.-P. (October 2021). An advanced model of lubricated cold rolling with its comprehensive pilot mill validation. Journal of Materials Processing Technology, 296. doi:10.1016/j.jmatprotec.2021.117175
The increasing demand for thinner and harder steel strips requires the introduction of flexible l...
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Bobach, B.-J., Boman, R., Celentano, D., Terrapon, V., & Ponthot, J.-P. (2021). Simulation of the Marangoni Effect and Phase Change Using the Particle Finite Element Method. Applied Sciences, 11 (11893). doi:10.3390/app112411893
A simulation method is developed herein based on the particle finite element method (PFEM) to sim...
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Bobach, B.-J., Falla, R., Boman, R., Terrapon, V., & Ponthot, J.-P. (2021). Phase change driven adaptive mesh refinement in PFEM. In ESAFORM 2021: proceedings of the 24th International Conference on Material Forming : 14-16 April 2021. doi:10.25518/esaform21.3861
The particle finite element method (PFEM) is used to simulate a simple phase change problem. This...
Peer reviewed
Colombo-Pulgarin, J. C., Biffi, C. A., Vedani, M., Celentano, D., Sanchez-Egea, A., Boccardo, A. C., & Ponthot, J.-P. (2021). Beta Titanium Alloys Processed by Laser Powder Bed Fusion: a Review. Journal of Materials Engineering and Performance, 30 (9), 6365-6388. doi:10.1007/s11665-021-05800-6
In bTi-alloys, some advances and developments have been reached toward optimizing their mechanica...
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Garcia-Garino, C., Careglio, C., Pacini, E., Mirasso, A., Celentano, D., Papeleux, L., & Ponthot, J.-P. (2021). Simulacion Numerica Del Ensayo De Traccion Simple Para Probetas Delgadas. Analisis Del Caso Limite 3D. In XXIII Workshop de Investigadores en Ciencias de la Computación.
El proyecto estudia el procesamiento en entornos de Cloud Computing de la simulación numérica de ...
Laruelle, C., Boman, R., Papeleux, L., & Ponthot, J.-P. (2021). Element activation method and non-conformal dynamic remeshing strategy to model additive manufacturing. In ESAFORM 2021: proceedings of the 24th International Conference on Material Forming : 14-16 April 2021. doi:10.25518/esaform21.2320
Modeling of Additive Manufacturing (AM) at the part scale involves non-linear thermo-mechanical s...
Peer reviewed
Rajaneesh, A., Ponthot, J.-P., & Bruyneel, M. (2021). High velocity impact response of composite laminates using modified meso-scale damage. International Journal of Impact Engineering, 147, 103701. doi:10.1016/j.ijimpeng.2020.103701
High velocity impact response of carbon fiber reinforced polymer unidirectional composite laminat...
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Alvarez, P., Muniz, F., Celentano, D., Artigas, A., Castro cerda, F., Ponthot, J.-P., & Monsalve, A. (2020). Modeling the mechanical response of a Dual-Phase steel based on individual-phase tensile properties. Metals, 10 (1031). doi:10.3390/met10081031
In this work, the engineering stress–strain tensile curve and the force-deflection bending curve ...
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Pacheco, M., Garcia-Herrera, C., Celentano, D., & Ponthot, J.-P. (2020). Mechanical Characterization of the Elastoplastic Response of a C11000-H2 Copper Sheet. Materials, 13, 5193. doi:10.3390/ma13225193
This work presents an elastoplastic characterization of a rolled C11000-H2 99.90% pure copper she...
Peer reviewed
Pacyna, L., Bertret, A., Derclaye, A., Papeleux, L., & Ponthot, J.-P. (2020). IMPLEMENTATION OF A RIG TEST FOR ROTOR/STATOR INTERACTION OF LOWPRESSURE COMPRESSOR BLADES AND COMPARISON OF EXPERIMENTAL RESULTS WITH NUMERICAL MODEL. In Proceedings of ASME Turbo Expo 2020 (pp. 2020-14266). doi:10.1115/GT2020-14266
To investigate the contact phenomenon between the blade tip and the abradable coated casing, a ri...
Peer reviewed
Rajaneesh, A., Bruyneel, M., & Ponthot, J.-P. (2020). Advanced material models for damage and failure analysis of fiber reinforced composite structures. In NAFEMS France Conference.
Thin walled composite structures made of laminates with stacks of plies including continuous fibr...
Laruelle, C., Boman, R., Papeleux, L., & Ponthot, J.-P. (September 2019). Addition of a finite element activation method in an existing thermomechanical finite element code to model additive manufacturing [Paper presentation]. Second International Conference on Simulation for Additive Manufacturing (Sim-AM 2019), Pavia, Italy.
With the rise of Additive Manufacturing (AM) technologies in the industry, it becomes more and mo...
Boemer, D., Carretta, Y., Boman, R., Papeleux, L., Legrand, N., Laugier, M., & Ponthot, J.-P. (03 June 2019). Coupling procedure of a cold rolling lubrication model with finite element asperity flattening [Paper presentation]. 8th International Conference on Coupled Problems in Science and Engineering, Sitges, Spain.
Reducing the thickness of increasingly resistant, wider and thinner metal strips by cold rolling ...
Bruyneel, M., Rajaneesh, A., Ponthot, J.-P., & Flores, P. (June 2019). Advances in material modeling for high velocity impacts on composites [Paper presentation]. NAFEMS World Congress, Québec City, Canada.
Rajaneesh, A., Bruyneel, M., & Ponthot, J.-P. (June 2019). On the predictability of composite structures vulnerability against high velocity impacts [Paper presentation]. ASIDIC 2019: Aerospace Structural Impact Dynamics International Conference, Madrid, Spain.
Laruelle, C., Boman, R., Papeleux, L., & Ponthot, J.-P. (27 May 2019). Element activation strategy for Additive Manufacturing, based on the element deletion algorithm [Poster presentation]. 4th Workshop on Metal Additive Manufacturing, KU Leuven, Leuven, Belgium.
With the rise of Additive Manufacturing (AM) technologies in the industry, it is becoming more an...
Boemer, D., Carretta, Y., Boman, R., Ponthot, J.-P., & Papeleux, L. (13 February 2019). Advances in cold rolling modeling at ULiège [Paper presentation]. Modélisation numérique du laminage à froid lubrifié en lubrification flexible, Maizières-lès-Metz, France.
Cerquaglia, M. L., Thomas, D., Boman, R., Terrapon, V., & Ponthot, J.-P. (2019). A fully partitioned Lagrangian framework for FSI problems characterized by free surfaces, large solid deformations and displacements, and strong added-mass effects. Computer Methods in Applied Mechanics and Engineering, 348, 409-442. doi:10.1016/j.cma.2019.01.021
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Boman, R., Papeleux, L., & Ponthot, J.-P. (29 August 2018). Effective development of a finite-element solver at the University [Paper presentation]. ICSAAM 2018 - The 8th International Conference on Structural Analysis of Advanced Materials, Tarbes, France.
Software development is usually neglected by academic researchers in the field of computational s...
Arnst, M., Ponthot, J.-P., & Boman, R. (August 2018). Comparison of stochastic and interval methods for uncertainty quantification of metal forming processes. Comptes Rendus Mécanique, 346 (8), 634-646. doi:10.1016/j.crme.2018.06.007
Various sources of uncertainty can arise in metal forming processes, or their numerical simulatio...
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Ponthot, J.-P., Drapier, S., & Feulvarch, E. (Crit. Eds.). (August 2018). Computational modeling of material forming processes. Comptes Rendus de l'Académie des Sciences. Série 2b, Mécanique, 346 (8), 615. doi:10.1016/j.crme.2018.06.011
Peer reviewed
Flores, P., Rajaneesh, A., Bruyneel, M., & Ponthot, J.-P. (June 2018). Finite element implementation of a strain rate sensitive model for impact simulation on composites [Paper presentation]. 6th European Conference on Computational Mechanics (ECCM6), Glasgow, United Kingdom.
Laruelle, C., Boman, R., Papeleux, L., & Ponthot, J.-P. (28 May 2018). Finite Element activation strategy in the numerical simulation of Additive Manufacturing Processes [Poster presentation]. 3rd Workshop on Metal Additive Manufacturing, Liège, Liège, Belgium.
Additive Manufacturing (AM) is currently enjoying a tremendous boom. However, there is still a cr...
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (April 2018). Continuous roll forming including in-line welding and post-cut within an ALE formalism. Finite Elements in Analysis and Design, 143, 11-31. doi:10.1016/j.finel.2018.01.005
Cold roll forming is a rather old process for which there is a renewed interest due to its capaci...
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Canales Cardenas, C., Boman, R., & Ponthot, J.-P. (2018). Thermomechanical simulations of blanking process operated over a wide range of punch velocities. Journal of Physics. Conference Series, 1063, 012014. doi:10.1088/1742-6596/1063/1/012014
numerical model based on the finite element method has been developed to simulate the blanking pr...
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Carretta, Y., Hunter, A., Boman, R., Ponthot, J.-P., Legrand, N., Laugier, M., & Dwyer-Joyce, R. (2018). Ultrasonic roll bite measurements in cold rolling: Contact length and strip thickness. Proceedings of the Institution of Mechanical Engineers. Part J, Journal of Engineering Tribology, 232 (2), 179-192. doi:10.1177/1350650117712314
In cold rolling of thin metal strip, contact conditions between the work rolls and the strip are ...
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Donéa, J., Huerta, A., Ponthot, J.-P., & Rodriguez-Ferran, A. (2018). Arbitrary Lagrangian–Eulerian Methods. In E. Stein, R. de Borst, ... T. J. R. Hughes (Eds.), Encyclopedia of Computational Mechanics Second Edition (Second edition). Wiley. doi:10.1002/9781119176817.ecm2009
Peer reviewed
Arnst, M., Abello Álvarez, B., Ponthot, J.-P., & Boman, R. (15 November 2017). Itô-SDE MCMC method for Bayesian characterization of errors associated with data limitations in stochastic expansion methods for uncertainty quantification. Journal of Computational Physics, 349, 59-79. doi:10.1016/j.jcp.2017.08.005
This paper is concerned with the characterization and the propagation of errors associated with d...
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Carretta, Y., Hunter, A., Boman, R., Ponthot, J.-P., Legrand, N., Laugier, M., & Dwyer-Joyce, R. (November 2017). Ultrasonic roll bite measurements in cold rolling - roll stress and deformation. Journal of Materials Processing Technology, 249, 1-13. doi:10.1016/j.jmatprotec.2017.05.036
In cold rolling of thin metal strip, contact conditions between the work rolls and the strip are ...
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Wautelet, G., Boman, R., & Ponthot, J.-P. (05 July 2017). On some Improvements of the Augmented Lagrangian Treatment for Solving Frictional Contact Problems [Paper presentation]. 5th International Conference on Computational Contact Mechanics, Lecce, Italy.
Cerquaglia, M. L., Boman, R., Deliège, G., Papeleux, L., & Ponthot, J.-P. (14 June 2017). PFEM-FEM coupling for fluid-structure interaction problems involving free surfaces and large solid deformations [Paper presentation]. VII International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED 2017).
The present work focuses on the solution of fluid-structure interaction problems involving free s...
Bouffioux, C., Canales Cardenas, C., Duchene, L., Ponthot, J.-P., & Habraken, A. (June 2017). FATIGUE CRACK PROPAGATION IN HSS S690QL WELDED CONNECTIONS IN BRIDGES [Paper presentation]. 14th International Conference on Fracture - ICF14, Rhodes, Greece.
The fatigue and crack study of HSS S690QL steel welded pieces is first experimentally analyzed by...
Carretta, Y., Bech, J., Legrand, N., Laugier, M., Ponthot, J.-P., & Boman, R. (June 2017). Numerical modelling of micro-plasto-hydrodynamic lubrication in plane strip drawing. Tribology International, 110, 378-391. doi:10.1016/j.triboint.2016.10.046
This paper presents a new finite element model capable of predicting the onset of micro-plasto-hy...
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Carretta, Y., Bech, J., Legrand, N., Laugier, M., Boman, R., & Ponthot, J.-P. (February 2017). Numerical modelling of microscopic lubricant flow in sheet metal forming. Application to plane strip drawing. International Journal for Numerical Methods in Engineering, 112, 203-237. doi:10.1002/nme.5509
This paper presents a numerical investigation of microscopic lubricant flows from the cavities to...
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Agelet de Saracibar, C., Boman, R., Bussetta, P., Cajas, J. C., Cervera, M., Chiumenti, M., Coll, A., Dadvand, P., Hernández Ortega, J., Houzeaux, G., Pasenau de Riera, M. Á., & Ponthot, J.-P. (2017). Numerical Methods. In G. Schmitz & U. Prahl (Eds.), Handbook of Software Solutions for ICME (pp. 487-531). Springer.
Boemer, D., & Ponthot, J.-P. (2017). A generic wear prediction procedure based on the Discrete Element Method for ball mill liners in the cement industry. Minerals Engineering, 109, 55-79. doi:10.1016/j.mineng.2017.02.014
generic procedure to predict the wear evolution of lining surfaces, namely the spatial distributi...
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Canales Cardenas, C., Bussetta, P., & Ponthot, J.-P. (2017). On the numerical simulation of sheet metal blanking process. International Journal of Material Forming, 10, 55-71. doi:10.1007/s12289-015-1270-7
The use of the blanking process has been widely spread in mass production industries. In this tec...
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Cerquaglia, M. L., Deliège, G., Boman, R., Papeleux, L., & Ponthot, J.-P. (2017). The particle finite element method for the numerical simulation of bird strike. International Journal of Impact Engineering. doi:10.1016/j.ijimpeng.2017.05.014
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Cerquaglia, M. L., Deliège, G., Boman, R., & Ponthot, J.-P. (2017). Preliminary assessment of the possibilities of the Particle Finite Element Method in the numerical simulation of bird impact on aeronautical structures. Procedia Engineering, 173, 101-108. doi:10.1016/j.proeng.2016.12.043
As well known, in the analysis of bird impact events the bird is often reduced, even experimental...
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Laurent, C., Verwaerde, J., Böhme, B., Ponthot, J.-P., & Balligand, M. (2017). Effect of orthopedic implants on long bone properties : a combined experimental and numerical approach. In Computer Methods in Biomechanics and Biomedical Engineering. doi:10.1080/10255842.2017.1382887
Long bone fracture constitutes a common reason for medical consultation within veterinary orthope...
Ponthot, J.-P. (2017). Belgian National Committee for Theoretical and Applied Mechanics. ECCOMAS Newsletter, p. 36.
Ponthot, J.-P., Feulvarch, E., Drapier, S., & Bergheau, J.-M. (Eds.). (2017). Computational methods in manufacturing. International Journal of Material Forming, 10, 1-2. doi:10.1007/s12289-016-1286-7
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Canales Cardenas, C., Boman, R., & Ponthot, J.-P. (December 2016). Application of Uncoupled Damage Models to Predict Ductile Fracture in Sheet Metal Blanking. Key Engineering Materials, 725, 483-488. doi:10.4028/www.scientific.net/KEM.725.483
The use of uncoupled damage models has been widely used over the years for the prediction of duct...
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Canales Cardenas, C., Boman, R., & Ponthot, J.-P. (December 2016). Application of uncoupled damage models to predict ductile fracture in sheet metal blanking [Paper presentation]. 13th Asia-Pacific Symposium on Engineering Plasticity and Its Applications - AEPA2016, Hiroshima, Japan.
Boemer, D., & Ponthot, J.-P. (25 July 2016). DEM modeling of ball mills with experimental validation: influence of contact parameters on charge motion and power draw. Computational Particle Mechanics, 4 (1), 53-67. doi:10.1007/s40571-016-0125-4
Discrete element method simulations of a 1:5-scale laboratory ball mill are presented in this pap...
Peer reviewed
Cerquaglia, M. L., Deliège, G., Boman, R., & Ponthot, J.-P. (09 June 2016). Two novel ways to impose free-slip boundary conditions in fluid-structure interaction problems using the Particle Finite Element Method [Paper presentation]. ECCOMAS 2016.
As well known, the imposition of boundary conditions is, in many cases, the trickiest part in sol...
Böhme, B., d'Otreppe, V., Ponthot, J.-P., & Balligand, M. (June 2016). Intraosseous stress distribution and bone interaction during load application across the canine elbow joint: A preliminary finite element analysis for determination of condylar fracture pathogenesis in immature and mature dogs. Research in Veterinary Science, 106, 146-148. doi:10.1016/j.rvsc.2016.03.014
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Wautelet, G., Papeleux, L., & Ponthot, J.-P. (20 May 2016). Efficient and Robust Automatic Augmented Lagrangian Algorithm for Solving Frictional Contact Problems - Application to Wire Drawing Process [Paper presentation]. 2nd International conference on COmputational methods in Manufacturing Processes, Liège, Belgium.
Arnst, M., Liegeois, K., Boman, R., & Ponthot, J.-P. (18 May 2016). Comparison of interval and stochastic methods for uncertainty quantification in metal forming [Paper presentation]. ICOMP International Conference on COmputational methods in Manufacturing Processes.
Canales Cardenas, C., Boman, R., & Ponthot, J.-P. (May 2016). Thermomechanical simulation of blanking operated at high punch velocities [Paper presentation]. 2nd International conference on COmputational methods in Manufacturing Processes - ICOMP’2016, Liège, Belgium.
Flipon, B., Lawrjaniec, D., Papeleux, L., Ponthot, J.-P., & Habraken, A. (2016). Numerical Simulations of a Two Roll Round Bar Straightener. In AIP Conference Proceedings 1769, 120001 (2016) (pp. 6). doi:10.1063/1.4963516
A 2-roll bar straightener is a finishing process applied after the rolling operation of round ste...
Peer reviewed
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (April 2016). Lagrangian and arbitrary Lagrangian Eulerian simulations of complex roll-forming processes. Comptes Rendus Mécanique, 344 (4-5), 251-266. doi:10.1016/j.crme.2016.02.005
The Arbitrary Lagrangian Eulerian (ALE) formalism is a breakthrough technique in the numerical si...
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Mengoni, M., Ponthot, J.-P., & Boman, R. (February 2016). Mesh Management Methods in Finite Element Simulations of Orthodontic Tooth Movement. Medical Engineering and Physics, 38 (2), 140-147. doi:10.1016/j.medengphy.2015.11.005
In finite element simulations of orthodontic tooth movement, one of the challenges is to represen...
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Bergheau, J.-M., Drapier, S., Feulvarch, E., & Ponthot, J.-P. (Eds.). (2016). Computational simulation of manufacturing processes. Comptes Rendus Mécanique, 344, 209-210. doi:10.1016/j.crme.2016.02.002
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Bouffioux, C., Pesci, R., Boman, R., Caillet, N., Ponthot, J.-P., & Habraken, A. (2016). Comparison of residual stresses on long rolled profiles measured by X-ray diffraction, ring core and the sectioning methods and simulated by FE method. Thin-Walled Structures, 104, 126-134. doi:10.1016/j.tws.2016.03.017
Sheet piles are produced by hot rolling, a cooling step and, if required, by a straightening oper...
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Bussetta, P., Dialami, N., Chiumenti, M., Cervera, M., Agelet de Saracibar, C., & Ponthot, J.-P. (2016). 3D numerical models of FSW processes with noncylindrical pin. Advances in Materials and Processing Technologies, 1 (3-4), 275-287. doi:10.1080/2374068X.2015.1121035
Friction stir welding (FSW) process is a relatively recent welding process (patented in 1991). FS...
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Bussetta, P., Feulvarch, E., Tongne, A., Boman, R., Bergheau, J.-M., & Ponthot, J.-P. (2016). Two 3D thermomechanical numerical models of friction stir welding processes with a trigonal pin. Numerical Heat Transfer. Part A, Applications, 70 (9), 995-1008. doi:10.1080/10407782.2016.1214498
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Canales Cardenas, C., & Ponthot, J.-P. (2016). Numerical prediction of ductile failure in the blanking process by means of uncoupled and coupled phenomenological damage models. MATEC Web of Conferences. doi:10.1051/matecconf/20168003006
Fracture prediction in blanking has gained great attention due to increasing requirements of high...
Peer reviewed
Careglio, C., Canales Cardenas, C., García Garino, C., Mirasso, A., & Ponthot, J.-P. (2016). A numerical study of hypoelastic and hyperelastic large strain viscoplastic Perzyna type models. Acta Mechanica. doi:10.1007/s00707-015-1545-6
For the case ofmetalswith large viscoplastic strains, it is necessary to define appropriate const...
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Cerquaglia, M. L., Deliège, G., Boman, R., Terrapon, V., & Ponthot, J.-P. (2016). Free-slip boundary conditions for simulating free-surface incompressible flows through the Particle Finite Element Method. International Journal for Numerical Methods in Engineering. doi:10.1002/nme.5439
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Laurent, C., Böhme, B., Mengoni, M., d'Otreppe, V., Balligand, M., & Ponthot, J.-P. (2016). Prediction of the mechanical response of canine humerus to three-point bending using subject-specific finite element modelling. Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine, 230, 639-649. doi:10.1177/0954411916644269
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Nguyen, D.-T., Rauchs, G., & Ponthot, J.-P. (2016). A quadratic contact element passing the patch test. Key Engineering Materials, 681, 47-85. doi:10.4028/www.scientific.net/KEM.681.47
For the two dimensional contact modeling, the standard node-to-segment quadratic contact elements...
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Wautelet, G., Papeleux, L., & Ponthot, J.-P. (2016). The Influence of Equivalent Contact Area Computation in 3D Extended Node to Surface Contact Elements. Key Engineering Materials, 681, 19-46. doi:10.4028/www.scientific.net/KEM.681.19
This paper extends the frictionless penalty-based node to contact formulation with area regulariz...
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Bussetta, P., Dialami, Chiumenti, M., Agelet de Saracibar, C., Cervera, M., Boman, R., & Ponthot, J.-P. (November 2015). 3D numerical models using a fluid or a solid formulation of FSW processes with non-cylindrical pin. Advanced Modeling and Simulation in Engineering Sciences, 2 (27). doi:10.1186/s40323-015-0048-2
Friction Stir Welding (FSW) process is a relatively recent welding process (patented in 1991). FS...
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Cerquaglia, M. L., Deliège, G., Boman, R., Papeleux, L., Terrapon, V., & Ponthot, J.-P. (28 September 2015). On some drawbacks and possible improvements of a Lagrangian Finite Element method for simulating incompressible flows [Paper presentation]. Particles 2015.
Cerquaglia, M. L., Deliège, G., Boman, R., Papeleux, L., Terrapon, V., & Ponthot, J.-P. (08 September 2015). On some drawbacks and possible improvements of a Particle Finite Element Method for simulating incompressible flows [Paper presentation]. 8th International Workshop on Meshfree Methods.
Mengoni, M., & Ponthot, J.-P. (September 2015). An enhanced version of a bone remodelling model based on the continuum damage mechanics theory. Computer Methods in Biomechanics and Biomedical Engineering, 18 (12), 1367-1376. doi:10.1080/10255842.2014.903933
The purpose of this work is to propose an enhancement of Doblaré and García's internal bone remod...
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Canales Cardenas, C., Boman, R., Bussetta, Habraken, A., & Ponthot, J.-P. (July 2015). Comparison of fracture prediction models on sheet metal blanking simulations [Paper presentation]. 4th International Conference on Computational Modeling of Fracture and Failure - CFRAC 2015, Cachan, France.
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (July 2015). Lagrangian and Arbitrary Lagrangian Eulerian Simulations of Complex Roll Forming Processes [Paper presentation]. 9th European Solid Mechanics Conference (ESMC 2015), Madrid, Spain.
Finite element simulation of the roll forming process is regarded as an essential tool for the ea...
Arnst, M., Abello Álvarez, B., Boman, R., & Ponthot, J.-P. (26 May 2015). Parametric uncertainty quantification in the presence of modeling errors: Bayesian approach and application to metal [Paper presentation]. UNCECOMP International Conference on Uncertainty Quantification in Computational Sciences and Engineering, Crète, Greece.
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (2015). Simulations lagrangienne et arbitraire lagrangienne eulérienne du procédé de profilage. In Actes du 12e Colloque National en Calcul des Structures.
L’application du formalisme Arbitraire Lagrangien Eulérien (ALE) à la simulation numérique du pro...
Canales Cardenas, C., Boman, R., Bussetta, P., & Ponthot, J.-P. (April 2015). Numerical prediction of resulting rollover shapes and sheared edges after blanking process [Paper presentation]. 1st. Pan-American Congress on Computational Mechanics, Buenos Aires, Argentina.
Over the years, the simulation of manufacturing processes has introduced several numerical challe...
Careglio, C., Canales Cardenas, C., Garcia Garino, C., Gabaldon, F., Ponthot, J.-P., & Mirasso, A. (April 2015). A comparative study of finite strain formulations in the buckling of cruciform columns [Paper presentation]. 1st. Pan-American Congress on Computational Mechanics, Buenos Aires, Argentina.
Boemer, D., Rycerski, S., Vis, J., & Ponthot, J.-P. (2015). Discrete Element Method Modeling of Ball Mills - Liner Wear Evolution. In E. Oñate, M. Bischoff, D. R. J. Owen, P. Wriggers, ... T. Zohdi, Proceedings of the IV International Conference on Particle-Based Methods – Fundamentals and Applications. Barcelona, Spain: International Center for Numerical Methods in Engineering (CIMNE).
Bussetta, P., Boman, R., & Ponthot, J.-P. (2015). Efficient 3D transfer operators based on numerical integration. International Journal for Numerical Methods in Engineering, 102 (3-4), 892-929. doi:10.1002/nme.4821
This paper deals with data transfer between two meshes as it happens in a finite element context ...
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Cerquaglia, M. L., Deliège, G., Boman, R., Papeleux, L., Terrapon, V., & Ponthot, J.-P. (2015). On some drawbacks and possible improvements of a Lagrangian finite element approach for simulating incompressible flows. In E. Oñate, M. Bischoff, D. R. J. Owen, P. Wriggers, ... T. Zohdi, Proceedings of the IV International Conference on Particle-Based Methods – Fundamentals and Applications. Barcelona, Spain: International Center for Numerical Methods in Engineering (CIMNE).
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (2015). Simulations lagrangienne et arbitraire lagrangienne eulérienne du procédé de profilage. In CSMA 2015 - 12e Colloque National en Calcul des Structures.
Dialami, N., Chiumenti, M., Cervera, M., Agelet de Saracibar, C., & Ponthot, J.-P. (2015). Material Flow Visualization Friction Stir Welding via Particle Tracing. International Journal of Material Forming, 8, 167-181. doi:10.1007/s12289-013-1157-4
This work deals with the modeling of the material flow in Friction Stir Welding (FSW) processes u...
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Hubert, C., Dubois, A., Dubar, L., Laugier, M., Legrand, N., Boman, R., Ponthot, J.-P., & Carretta, Y. (2015). Complementary approaches for the numerical simulation of the Micro- Plasto-Hydrodynamic Lubrication regime. Key Engineering Materials, 651-653, 492-497. doi:10.4028/www.scientific.net/KEM.651-653.492
This paper presents recent investigations in the field of lubricant escapes from asperities. This...
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Mengoni, M., & Ponthot, J.-P. (2015). A generic anisotropic continuum damage model integration scheme adaptable to both ductile damage and biological damage-like situations. International Journal of Plasticity, 66, 46-70. doi:10.1016/j.ijplas.2014.04.005
This paper aims at presenting a general versatile time integration scheme applicable to anisotrop...
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Boman, R., & Ponthot, J.-P. (November 2014). Metafor - Object Oriented Finite Element Code for the Simulation of Large Deformations of Solids [Poster presentation]. EU-US Frontiers of Engineering Symposium, Seattle, Washington, United States.
Crutzen, Y., Boman, R., Papeleux, L., & Ponthot, J.-P. (September 2014). Lagrangian and Arbitrary Lagrangian Eulerian Simulations of Stationary and Non-Stationary Roll Forming Processes [Paper presentation]. 1st International conference on COmputational methods in Manufacturing Processes (ICOMP'2014), Saint-Étienne, France.
In industry, cold roll forming is more and more used as a manufacturing process mainly for its hi...
Laugier, M., Boman, R., Legrand, N., Ponthot, J.-P., Tornicelli, M., Bech, J., & Carretta, Y. (June 2014). Micro-plasto-hydrodynamic lubrication: a fundamental mechanism in cold rolling. Advanced Materials Research, 966-967, 228-241. doi:10.4028/www.scientific.net/AMR.966-967.228
Micro Plasto-Hydrodynamic (MPH) lubrication is a general mechanism in metal forming that consists...
Peer reviewed
Boman, R., Koeune, R., & Ponthot, J.-P. (2014). Numerical Simulation of Double Cup Extrusion Test Using the Arbitrary Lagrangian Eulerian Formalism. In S. R. Idelsohn (Ed.), Numerical Simulations of Coupled Problems in Engineering (pp. 29-53). Switzerland: Springer. doi:10.1007/978-3-319-06136-8_2
In this chapter Double Cup Extrusion Test (DCET) is modelled using the finite element method with...
Peer reviewed
Arnst, M., & Ponthot, J.-P. (2014). An overview of nonintrusive characterization, propagation, and sensitivity analysis of uncertainties in computational mechanics. International Journal for Uncertainty Quantification, 4, 387-421. doi:10.1615/Int.J.UncertaintyQuantification.2014006990
In this paper, we offer a short overview of a number of methods that have been reported in the co...
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Bouffioux, C., Boman, R., Caillet, N., Rich, N., Ponthot, J.-P., & Habraken, A. (2014). Effect of the kinematic hardening in the simulations of the straightening of long rolled profiles. Key Engineering Materials, 611-612, 178-185. doi:10.4028/www.scientific.net/KEM.611-612.178
Residual stresses and lack of straightness appear during the cooling of sheet piles where the ini...
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Bussetta, P., Dialami, N., Boman, R., Chiumenti, M., Agelet de Saracibar, C., Cervera, M., & Ponthot, J.-P. (2014). Comparison of a Fluid and a Solid Approach for the Numerical Simulation of Friction Stir Welding with a Non‐Cylindrical Pin. Steel Research International, 85 (6), 968-979. doi:10.1002/srin.201300182
Friction stir welding (FSW) process is a solid‐state joining process during which materials to be...
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Canales Cardenas, C., Bussetta, P., Habraken, A., & Ponthot, J.-P. (2014). On the numerical simulation of sheet metal blanking process [Paper presentation]. 1st. International conference on COmputational methods in Manufacturing Processes (ICOMP'2014), Saint-Étienne, France.
One of the most widely used cutting techniques in sheet metal forming processes for mass producti...
Canales Cardenas, C., & Ponthot, J.-P. (2014). Effect of viscosity on the robustness of the element deletion method for crack propagation modelling [Paper presentation]. 11th. World Congress on Computational Mechanics (WCCMXI), Barcelona, Spain.
The numerical simulation of crack propagation in solids is of main importance in fracture mechani...
Careglio, C., Canales Cardenas, C., Papeleux, L., Ponthot, J.-P., Garcia Garino, C., & Mirasso, A. (2014). An implementation of the generalized Maxwell viscoelastic constitutive model. In G. Bertolino, M. Cantero, M. Storti, ... F. Teruel (Eds.), Mecánica Computacional Vol XXXIII (pp. 1179-1192).
Viscoelastic problems deserve great interest in Computational Mechanics literature. In the last y...
Peer reviewed
Careglio, C., Canales Cardenas, C., Ribero, M., García Garino, C., Mirasso, A., & Ponthot, J.-P. (2014). A large strain elasto-viscoplastic numerical model. In R. Bustamante (Ed.), Proceedings of PACAM XIV.
A large strain elasto-viscoplastic Perzyna model was proposed by Ponthot. The resultant numerical...
Peer reviewed
Dialami, N., Chiumenti, M., Cervera, M., Agelet de Saracibar, C., Ponthot, J.-P., & Bussetta, P. (2014). Numerical simulation and Visualization of Material Flow in Friction Stir Welding via Particle Tracing. In S. Idelsohn (Ed.), Numerical Simulations of Coupled Problems in Engineering (pp. 157 - 169). Springer. doi:10.1007/978-3-319-06136-8_7
This work deals with the numerical simulation and material flow visualization of Friction Stir We...
Peer reviewed
Koeune, R., & Ponthot, J.-P. (2014). A one phase thermomechanical model for the numerical simulation of semi-solid material behavior. Application to thixoforming. International Journal of Plasticity, 58, 120-153. doi:10.1016/j.ijplas.2014.01.004
This work deals with the development of an appropriate constitutive model for semi-solid thixofor...
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Ponthot, J.-P., & Papeleux, L. (2014). Thermoviscoplasticity at Finite Strains: A Thermoelastic Predictor-Viscoplastic Corrector Algorithm. In R. B. Hetnarski (Ed.), Encyclopedia of Thermal Stresses (pp. 6092-6105). Springer. doi:10.1007/978-94-007-2739-7
This contribution aims at describing the numerical background associated to an efficient time int...
Peer reviewed
Wautelet, G., & Ponthot, J.-P. (2014). The influence of equivalent contact area computation in extended node to surface contact elements. Key Engineering Materials, 618, 1-22. doi:10.4028/www.scientific.net/KEM.618.1
This article aims at extending the node to surface formulation for contact problems with an area ...
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Boman, R., & Ponthot, J.-P. (16 December 2013). Arbitrary Lagrangian Eulerian simulations of stationary and non-stationary metal forming processes. AIP Conference Proceedings, 1567, 762-767. doi:10.1063/1.4850082
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Ponthot, J.-P., Boman, R., Jeunechamps, P.-P., Papeleux, L., & Deliège, G. (December 2013). An implicit erosion algorithm for the numerical simulation of metallic and composite materials submitted to high strain rate. Proceedings of Indian National Science Academy, 79/4 (Part A), 519-528. doi:10.16943/ptinsa/2013/v79i4/47987
In this paper, we present a general consistent numerical formulation able to take into account st...
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Arnst, M., & Ponthot, J.-P. (05 September 2013). A probabilistic characterization, propagation, and sensitivity analysis of uncertainties in a metal forming application [Paper presentation]. COMPLAS International Conference on Computational Plasticity, Barcelona, Spain.
In metal forming processes, after leaving the tooling, formed pieces of metal have a tendency to ...
Mengoni, M., & Ponthot, J.-P. (August 2013). An enhanced version of Doblaré and Garcia’s bone remodelling model [Poster presentation]. 19th Congress of the European Society of Biomechanics, Patra, Greece.
Boman, R., Koeune, R., & Ponthot, J.-P. (2013). Numerical Simulation of Double Cup Extrusion Test using the Arbitrary Lagrangian Eulerian Formalism. In Proceedings of Coupled Problems 2013.
Peer reviewed
Bussetta, P., Dialami, N., Boman, R., Chiumenti, M., Agelet de Saracibar, C., Cervera, M., & Ponthot, J.-P. (2013). Comparison of a fluid and a solid approach for the numerical simulation of Friction Stir Welding with a non-cylindrical pin. In Proceedings of "V International Conference on Computational Methods for Coupled Problems in Science and Engineering".
Friction Stir Welding (FSW) process is a solid-state joining process during which materials to be...
Carretta, Y., Boman, R., Legrand, N., Laugier, M., & Ponthot, J.-P. (June 2013). Numerical simulations of asperity crushing using boundary conditions encountered in cold-rolling. Key Engineering Materials, 554-557, 850-857. doi:10.4028/www.scientific.net/KEM.554-557.850
Asperity flattening has a huge influence on friction and wear in metal forming processes. Neverth...
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Boman, R., & Ponthot, J.-P. (March 2013). Enhanced ALE Data Transfer Strategy for Explicit and Implicit Thermomechanical Simulations of High-Speed Processes. International Journal of Impact Engineering, 53, 62-73. doi:10.1016/j.ijimpeng.2012.08.007
The Arbitrary Lagrangian Eulerian (ALE) formalism, which allows the computational grid to move re...
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Biotteau, E., Bussetta, P., & Ponthot, J.-P. (2013). Modeling thixoforming process using the eXtended Finite Element Method and the Arbitrary Lagrangian Eulerian formulation. Key Engineering Materials, 554-557, 691-698. doi:10.4028/www.scientific.net/KEM.554-557.691
In this contribution, one proposes a new strategy to model forming processes involving non-linear...
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Garcia-Garino, C., Andia fages, S., Mirasso, A., & Ponthot, J.-P. (2013). Numerical simulation of finite strain viscoplastic problems. Journal of Computational and Applied Mathematics, 246, 174-184. doi:10.1016/j.cam.2012.10.008
A large strain elastoplastic constitutive model based on hyperelasticity and multiplicative decom...
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Jeunechamps, P.-P., & Ponthot, J.-P. (2013). An efficient 3D implicit approach for the thermomechanical simulation of elastic–viscoplastic materials submitted to high strain rate and damage. International Journal for Numerical Methods in Engineering, 94, 920-960. doi:10.1002/nme.4489
This paper aims at presenting a general consistent numerical formulation able to take into accoun...
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Jeunechamps, P.-P., & Ponthot, J.-P. (2013). Implicit 2D Numerical Simulation of Materials Submitetd to High Strain Rates including Fracture. Key Engineering Materials, 535-536, 80-84.
In this paper, we present a general consistent numerical formulation able to take into account st...
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Koeune, R., & Ponthot, J.-P. (2013). A Thermomechanical Model Dedicated to Thixoforming. Application to Semi-Solid Forming. Solid State Phenomena, 192-193, 269-275. doi:10.4028/www.scientific.net/SSP.192-193.269
This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary ext...
Peer reviewed
Laurent, C., Bohme, B., d'Otreppe de Bouvette, V., Balligand, M., & Ponthot, J.-P. (2013). Subject-specific finite element modelling of canine long bones up to fracture. Computer Methods in Biomechanics and Biomedical Engineering. Imaging and Visualization, 16, 270-271. doi:10.1080/10255842.2013.815843
Long bone fracture constitutes a common reason for medical consultation within veterinary orthopa...
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Mengoni, M., & Ponthot, J.-P. (January 2013). A bone remodeling model for long term orthodontic tooth movement [Paper presentation]. International Symposium on Plasticity, Nassau, Bahamas.
Nguyen, D. T., Rauchs, G., & Ponthot, J.-P. (2013). The Impact of Surface Higher Order Differentiability in Two-dimensional Contact Elements. Journal of Computational and Applied Mathematics, 246, 195-205. doi:10.1016/j.cam.2012.10.024
The aim of this work is to propose new contact elements of higher order of differentiability for ...
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Ponthot, J.-P., Koeune, R., & Boman, R. (2013). A continuous fluid/solid transition model for semi-solid material modeling. Application to thixoforging. In 33° SENAFOR (CD) (pp. 08).
This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary ext...
Boman, R., & Ponthot, J.-P. (07 December 2012). Efficient ALE mesh management for 3D quasi-Eulerian problems. International Journal for Numerical Methods in Engineering, 92 (10), 857-890. doi:10.1002/nme.4361
In computational solid mechanics, the ALE formalism can be very useful to reduce the size of fini...
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Boman, R., Parrico, A., Legrand, N., & Ponthot, J.-P. (October 2012). Arbitrary Lagrangian Eulerian Modelling of Tension Levelling. Matériaux et Techniques, 100 (Hors série 2012), 40-42.
This paper presents a two-dimensional model of tension levelling using the Arbitrary Lagrangian E...
Carretta, Y., Boman, R., Legrand, N., Laugier, M., & Ponthot, J.-P. (October 2012). Three-dimensional Modelling of Asperity Crushing [Paper presentation]. Journées Annuelles de la SF2M 2012, Paris, France.
Asperity flattening has a huge influence on friction and wear in metal forming processes. Neverth...
Biotteau, E., & Ponthot, J.-P. (12 September 2012). Modeling frictional contact conditions with the penalty method in the extended finite element framework [Paper presentation]. ECCOMAS, Vienne, Austria.
This paper introduces an application of the eXtended Finite Element Method (XFEM) to model metal ...
Mengoni, M., D'Otreppe, V., & Ponthot, J.-P. (July 2012). A bone remodelling model for long term orthodontic tooth movement. Journal of Biomechanics, 45 (Supplement 1), 180.
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de Bien, C., Mengoni, M., D'Otreppe, V., Freichels, H., Jérôme, C., Ponthot, J.-P., Léonard, A., & Toye, D. (2012). Development of a biomechanical model of deer antler cancellous bone based on X-ray microtomographic images. In Micro-CT User Meeting 2012 - Abstract Book (pp. 137-145).
Finite element models accurately compute the mechanical response of bone and bone-like materials ...
Peer reviewed
Mengoni, M., D'Otreppe, V., & Ponthot, J.-P. (2012). A fully nonlinear finite element model for orthodontic tooth movement prediction. In Proceedings of the 10th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering.
Peer reviewed
Mengoni, M., Voide, R., de Bien, C., Freichels, H., Jérôme, C., Léonard, A., Toye, D., van Lenthe, G. H., Müller, R., & Ponthot, J.-P. (February 2012). A non-linear homogeneous model for bone-like materials under compressive load. International Journal for Numerical Methods in Biomedical Engineering, 28 (2), 334-348. doi:10.1002/cnm.1473
Finite element (FE) models accurately compute the mechanical response of bone and bone-like mater...
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Boman, R., & Ponthot, J.-P. (2012). ALE Simulations of Metal Forming Processes. In Akhtar S. Khan, Farhoud Kabirian, ... Jian Liu (Eds.), Non-linear Response of Conventional & Advanced Materials, and Multi-scale Modeling (pp. 40-42). NEAT Press.
Peer reviewed
Bussetta, P., Daniel, M., & Ponthot, J.-P. (January 2012). The adapted augmented Lagrangian method: a new method for the resolution of the mechanical frictional contact problem. Computational Mechanics, 49 (2), 259-275. doi:10.1007/s00466-011-0644-z
The aim of this work is to propose a new numerical method for solving the mechanical frictional c...
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Bussetta, P., & Ponthot, J.-P. (2012). A finite volume based data transfer method for remeshing. Application to metal forming problems. In Proceedings of the 18th International Symposium on Plasticity & Its Current Applications.
The resolution of many nonlinear solid mechanical problems with the Finite Elements Method requir...
Carretta, Y., Boman, R., Legrand, N., Laugier, M., & Ponthot, J.-P. (2012). Mixed Lubrication Regime in Cold Strip Rolling. In 2nd Annual ArcelorMittal CFD and Thermomechanics Days 2012.
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (2012). Generating smooth surface meshes from multi-region medical images. International Journal for Numerical Methods in Biomedical Engineering, 28 (6-7), 642-660. doi:10.1002/cnm.1471
Thanks to advances in medical imaging technologies and numerical methods, Patient-Specific Modell...
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Guo, W., Rauchs, G., Papeleux, L., Zhang, W., Gitzhofer, F., & Ponthot, J.-P. (2012). Evaluation of the mechanical properties of plasma-sprayed coating by nanoindentation technology. Mechanics and Industry, 13 (3), 151-162. doi:10.1051/meca/2012014
In this paper, the mechanical properties of plasma-sprayed coatings are evaluated using the techn...
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Pascan, O., Zhang, W., & Ponthot, J.-P. (2012). Mechanical Buckling of Composite Panels with/without Cutouts. International Journal of Plant Engineering and Management, 17 (2), 65-76.
A simpli ed analytical solution suitable for simple stacking sequences was developed using the Eu...
Peer reviewed
Ribero, M., Careglio, C., Garcia Garino, C., Mirasso, A., & Ponthot, J.-P. (2012). Three-Dimensional Large Starin Elasto-Viscoplastic Constitutive Model. In A. Cardona (Ed.), Proceedings of MECOM 2012, Mecanica Computational Vol XXXI (pp. 1607-1625).
In a previous work, J. Ponthot et al., Mec Comput, XXIV:441-454 (2005), have extended a large str...
Peer reviewed
D'Otreppe, V., Mengoni, M., Boman, R., & Ponthot, J.-P. (14 November 2011). Image-based Finite Element Mesh Generation for Microstructures [Paper presentation]. Fifth International Conference on Advanced COmputational Methods in ENgineering (ACOMEN 2011), Liège, Belgium.
Nsiampa, N., D'Otreppe, V., Robbe, C., Papy, A., & Ponthot, J.-P. (14 November 2011). Development of a thorax CT-scan based finite element model for thoracic injury assessment [Paper presentation]. Advanced COmputational Methods in ENgineering (ACOMEN 2011), Liège, Belgium.
Bussetta, P., Boman, R., & Ponthot, J.-P. (2011). Comparison of Data Transfer Methods between Meshes in the Frame of the Arbitrary Lagrangian Eulerien Formalism. In Proceedings of "Fifth International Conference on Advanced COmputationalMethods in ENgineering".
In nonlinear solid Mechanics, the Arbitrary Lagrangian Eulerian (ALE) formalism is a common way t...
Mengoni, M., D'Otreppe, V., & Ponthot, J.-P. (November 2011). On the periodontal ligament representation in 3D finite element analysis for orthodontic tooth movement models [Paper presentation]. Fifth International Conference on Advanced COmputational Methods in ENgineering (ACOMEN 2011), Liège, Belgium.
Boman, R., & Ponthot, J.-P. (2011). Continuous Metal Forming Process Simulation using the Arbitrary Lagrangian Eulerian Formulation. Steel Research International, 367-372.
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Boman, R., & Ponthot, J.-P. (2011). Numerical Simulation of Stationary Roll Forming using ALE formalism. In E. Oñate, D. R. J. Owen, D. Peric, ... B. Suàrez (Eds.), Computational Plasticity XI - Fundamentals and Applications.
Carretta, Y., Boman, R., Stephany, A., Legrand, N., Laugier, M., & Ponthot, J.-P. (September 2011). METALUB – A Slab Method Software for the Numerical Simulation of Mixed Lubrication Regime in Cold Strip Rolling. Proceedings of the Institution of Mechanical Engineers. Part J, Journal of Engineering Tribology, 225 (9), 894-904. doi:10.1177/1350650111410126
A cold rolling model taking into account mixed lubrication regime has been developed and included...
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Böhme, B., D'Otreppe, V., Ponthot, J.-P., & Balligand, M. (07 July 2011). Considerations on the Pathophysiology of Canine Condylar Fractures by Finite Element Analysis [Poster presentation]. 20th Annual Scientific Meeting of the European College of Veterinary Surgeons, Ghent, Belgium.
D'Otreppe, V., Böhme, B., Balligand, M., & Ponthot, J.-P. (04 July 2011). Finite element simulation of canine humeral condylar fractures [Paper presentation]. ISB 2011, Brussels, Belgium.
Humeral condylar fractures are common in dogs. Different types of fractures (lateral, medial, bic...
Jeunechamps, P.-P., Boman, R., Papeleux, L., & Ponthot, J.-P. (2011). Damage and Fracture of Materials Submitted to High Strain Rates. A Thermomechanically Implicit Coupled Approach with Element Erosion. In Proceedings of the 3rd International Conference on Impact Loading of Lightweight Structures.
Bussetta, P., & Ponthot, J.-P. (2011). Comparison of Data Transfer Methods between two different meshes. In Proceedings of "IV International Conference on Computational Methods for Coupled Problems in Science and Engineering".
Many problems solved with the finite element method require more than one mesh (i.e. one specific...
Carretta, Y., Boman, R., Stephany, A., Bouache, T., Canivenc, R., Montmitonnet, P., Legrand, N., Laugier, M., & Ponthot, J.-P. (2011). Thermomechanical simulation of roll forming process based on the coupling of two independent solvers. In Proceedings of the IV International Conference on Computational Methods for Coupled Problems in Science and Engineering COUPLED PROBLEMS 2011.
This paper deals with an industrial application of a coupling procedure involving two different c...
Peer reviewed
Lerinckx, D., Baguet, M., Renaville, F., de Bergeyck, V., Luminet, O., Kita, J.-C., Malgrange, B., Ponthot, J.-P., Schneider, N., Corbisier, F., Vanclef, L., Raes, M., Verhasselt, J.-M., Hubert, M., Culot, C., Tenenbaum, A., Gérard, M., & Renaville, F. (Ed.). (2011). Comparaison des outils bibliographiques et bibliométriques Web of Science et Scopus : rapport du groupe de réflexion mis en place par la Bibliothèque Interuniversitaire de la Communauté française de Belgique (BICfB). https://orbi.uliege.be/handle/2268/94948
Depuis 2002, l'ensemble des membres de la BICfB souscrivent au Web of Science (WoS) de Thomson Re...
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (2011). Generating smooth surface meshes from labelled medical datasets. In P. Nithiarasu, R. Löhner, R. van Loon, I. Sazonov, ... X. Xie (Eds.), CMBE11: 2nd International Conference on Computational & Mathematical Biomedical Engineering, 30 March - 1 April, 2011, Washington D.C. U.S.A (First edition, March 2011, pp. 213-216). Alexandria, VA, United States: All American Printing inc.
In this article, an innovative procedure to create high quality triangular meshes from medical sc...
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2011). Développement d’un outil de calcul de la charge de ruine des roues aubagées en titane. (2). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/93608
Boman, R., & Ponthot, J.-P. (March 2011). Continuous Roll Forming Simulation using Arbitrary Lagrangian Eulerian Formalism. Key Engineering Materials, 473, 564-571. doi:10.4028/www.scientific.net/KEM.473.564
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Deliège, G., Hannay, S., & Ponthot, J.-P. (2011). APC-L315/6-ULG-FSA : Rapport de validation par comparaison simulation/essai. https://orbi.uliege.be/handle/2268/91851
Boman, R., & Ponthot, J.-P. (February 2011). Application of the Arbitrary Lagrangian Eulerian Formalism to Stationary Roll Forming Simulations. Advanced Materials Research, 189-193, 1827-1833. doi:10.4028/www.scientific.net/AMR.189-193.1827
Due to the length of the mill, accurate modelling of stationary solution of continuous cold roll ...
Peer reviewed
Carretta, Y., Legrand, N., Laugier, M., & Ponthot, J.-P. (2011). Numerical Simulations of Asperity Crushing - Application to Cold Rolling. In Proceedings of ESAFORM : Belfast, 27-29th april 2011.
Asperity flattening has a huge influence on friction and wear in metal forming processes. Neverth...
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Deliège, G., Hannay, S., & Ponthot, J.-P. (2011). Modélisation par éléments finis de l'endommagement des composites laminés à fibres tissées soumis à l'impact [Paper presentation]. 10e Colloque National en Calcul des Structures, Giens, France.
Koeune, R., & Ponthot, J.-P. (2011). Numerical simulations of thixoforming processes : development and comparaison of several semi-solid constitutive laws [Poster presentation]. PLASTICITY 2011 – International Symposium on Plasticity and its current applications, Puerto Vallarta, Mexico.
ABSTRACT This paper deals with the development, and the comparison, of several constitutive laws ...
Mengoni, M., & Ponthot, J.-P. (2011). On the periodontal ligament representation in orthodontic tooth movement modelisation [Paper presentation]. XXIII Congress of the International Society of Biomechanics, Brussels, Belgium.
Orthodontic tooth movement (OTM) is the result of bone remodeling at the interface with the perio...
Mengoni, M., Voide, R., Toye, D., Léonard, A., van Lenthe, G. H., & Ponthot, J.-P. (2011). A non-linear homogeneous model for bone-like materials under compressive load. In P. Nithiarasu, R. Löhner, R. van Loon, I. Sazonov, ... X. Xie (Eds.), Conference Proceedings - 2nd International Conference on Computational & Mathematical Biomedical Engineering (pp. 355-358).
Using morphological data provided by computed tomography, finite element (FE) models can be used ...
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Ponthot, J.-P., & Boman, R. (2011). Advances in Metal Forming Simulation of using Arbitrary Lagrangian Eulerian Formalism. In A. Khan, C. Meredith, ... B. Farrokh (Eds.), Macro to Nano-scale Inelastic Deformation and Failure of Materials & Multi-scale Modeling : Proceedings of PLASTICITY'11, Seventeenth International Symposium on Plasticity and its Current Applications (pp. 223-225). Maryland, United States: Neat Press.
Accurate modelling of stationary solution of continuous cold roll forming by the finite element m...
Peer reviewed
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (26 November 2010). Multiple Material Mesh Generation For Biomedical Applications [Poster presentation]. National Committee on Biomedical Engineering - National Day, Brussels, Belgium.
The finite element (FE) method is commonly used in biomedical applications for the simulation of ...
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (2010). Multiple material mesh generation for biomedical applications. In Proceedings of the 9th belgian day on biomedical engineering.
The finite element method is commonly used in biomedical applications for the simulation of the b...
Peer reviewed
Vigneron, L. M., Boman, R., Ponthot, J.-P., Robe, P., Warfield, S. K., & Verly, J. (01 August 2010). Enhanced FEM-based Modeling of Brain Shift Deformation in Image-Guided Neurosurgery. Journal of Computational and Applied Mathematics, 234, 2046-2053. doi:10.1016/j.cam.2009.08.062
We consider the problem of improving outcomes for neurosurgery patients by enhancing intraoperati...
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Boman, R., & Ponthot, J.-P. (2010). Continuous Roll Forming Simulation Using Arbitrary Lagrangian Eulerian Formalism. In N. Khalili, S. Valliappan, Q. Li, ... A. Russell (Eds.), Proceedings of the joint 9th World Congress on Computational Mechanics and 4th Asian Pacific Congress on Computational Mechanics (pp. 278). Sydney, Australia: Centre for Infrastructure Engineering and Safety.
Mengoni, M., & Ponthot, J.-P. (July 2010). A continuum damage mechanics based bone remodeling model in a finite strains framework [Poster presentation]. 17th Congress of the European Society of Biomechanics, Edinburgh, United Kingdom.
Boman, R., & Ponthot, J.-P. (15 June 2010). New Advances in Numerical Simulation of Stationary Processes using Arbitrary Lagrangian Eulerian Formalism. Application to Roll Forming Process. AIP Conference Proceedings, 1252, 133-140. doi:10.1063/1.3457540
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Boman, R., & Ponthot, J.-P. (2010). Advances in Numerical Simulation of Stationary Processes using Arbitrary Lagrangian Eulerian Formalism. Application to Roll Forming Process. In ECCM 2010, 4th European Conference on Computational Mechanics (on CD-ROM).
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (2010). Smooth multiple-region mesh generation for biomedical applications. In ECCM 2010, 4th European Conference on Computational Mechanics (on CD-ROM).
The finite element method is commonly used in biomedical applications for the simulation of the b...
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2010). Développement d’un outil de calcul de la charge de ruine des roues aubagées en titane. (1). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84180
Bussetta, P., & Ponthot, J.-P. (2010). Comparison of Field Transfer Methods between two meshes. In Proceedings of "IV European Conference on Computational Mechanics".
In many cases, the numerical computation of mechanical problem with Finite Element Method has to ...
Carretta, Y., Stephany, A., Legrand, N., Laugier, M., & Ponthot, J.-P. (2010). Metalub – A Slab Method software for the numerical simulation of mixed lubrication regime. Application to cold rolling. In ICTMP 2010 - International Conference on Tribology in Manufacturing processes.
Peer reviewed
Guo, W., Rauchs, G., ZHang, W. H., & Ponthot, J.-P. (2010). Influence of friction in material characterization in micro-indentation measurement. Journal of Computational and Applied Mathematics, 234, 2183-2192. doi:10.1016/j.cam.2009.08.072
A comprehensive computational study is undertaken to identify the influence of friction in materi...
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Koeune, R., & Ponthot, J.-P. (2010). An improved constitutive model for the numerical simulation of semi-solid thixoforming. Journal of Computational and Applied Mathematics, 234, 2287-2296. doi:10.1016/j.cam.2009.08.085
In order to model thixoforming processes, previous papers presented a thermomechanical one-phase ...
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Koeune, R., & Ponthot, J.-P. (2010). Semi-solid metallic alloys modeling for the simulation of thixoforming processes. In M. Vaz Jr., E. A. de Souza Neto, ... P. A. Munoz-Rojas (Eds.), Computational Materials Modeling (pp. 205-256). Wiley-VCH.
Koeune, R., & Ponthot, J.-P. (2010). Validation of a one-phase thermomechanical model for thixoforming of steel by comparison numerical and experimental results on two semi-solid extrusion tests [Paper presentation]. Proceedings of S2P 2010 – 11 International conference on semi-solid processing of alloys and composites, Beijing, China.
This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary ext...
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Koeune, R., Rassili, A., Pierret, J.-C., & Ponthot, J.-P. (2010). Validation of a one-phase thermomechanical model for thixoforming of steel by comparison between numerical and experimental results on two semi-solid extrusion tests. In K. Yonglin (Ed.), 11th International Conference on Semi-Solid Processing of Alloys and Composites.
Peer reviewed
Mengoni, M., & Ponthot, J.-P. (2010). A Continuum Damage Mechanics based bone remodelling model in a finite strain framework. In ECCM 2010, 4th European Conference on Computational Mechanics (pp. 15).
Peer reviewed
Mengoni, M., & Ponthot, J.-P. (2010). Isotropic continuum damage/repair model for alveolar bone remodelling. Journal of Computational and Applied Mathematics, 234, 2036-2045. doi:10.1016/j.cam.2009.08.061
Several authors have proposed mechanical models to predict long term tooth movement, considering ...
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Rauchs, G., & Ponthot, J.-P. (2010). On the impact of the time increment on sensitivity analysis during the elastic-to-viscoplastic transition in metals. Computational Mechanics, 46, 559-575. doi:10.1007/s00466-010-0499-8
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Boman, R., & Ponthot, J.-P. (2009). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (8). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84171
Boman, R., Depauw, A., Hérisson, D., & Ponthot, J.-P. (2009). Stationary Roll Forming Simulation using Arbitrary Lagrangian Eulerian Formalism. In Proceedings of International Roll Forming Congress 2009 (pp. 33-40).
Peer reviewed
Deliège, G., Papeleux, L., & Ponthot, J.-P. (2009). Implicit FE simulations of composite dynamic failure. In Proceedings of DYMAT 2009 - 9th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading (pp. 1609 - 1614). doi:10.1051/dymat/2009227
This paper describes the implementation of failure criteria in an implicit finite element code. T...
Jeunechamps, P.-P., & Ponthot, J.-P. (2009). Implicit 2D numerical simulation of materials submitted to high strain rate including failure. In Proceedings of DYMAT 2009 - 9th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading (pp. 1491 - 1497). doi:10.1051/dymat/2009211
In this paper, we present a general consistent numerical formulation able to take into account st...
Boman, R., & Ponthot, J.-P. (2009). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (7). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84170
D'Otreppe, V., Boman, R., & Ponthot, J.-P. (2009). Génération de maillages pour la creation de modèles biomécaniques du cerveau. In M. Raous, P. Pasquet, ... C. Rey (Eds.), Neuvième Colloque National en Calcul des Structures (pp. 527-532). Massy, France: Copie Clean.
Nous présentons une méthode efficace et automatique pour générer des maillages éléments finis sur...
Mengoni, M., & Ponthot, J.-P. (2009). Anisotropic continuum damage model coupled to viscoplasticity for a pressure dependent alveolar bone remodeling law. In National Congress on Theoretical and Applied Mechanics.
Mengoni, M., Limme, M., & Ponthot, J.-P. (February 2009). Vers un modèle d'endommagement anisotrope pour le remodelage osseux en orthodontie [Poster presentation]. Journée de la recherche, Sherbrooke, Canada.
Andia Fages, S., Raichman, S., Mirasso, A., Garcia Garino, C., & Ponthot, J.-P. (2009). Integracion Numerica del Problema Viscoplastico [Paper presentation]. Encuentro de investigadores y docentes de ingeniera 2009, Los Reyunos, Argentina.
En este trabajo se discute la integración numérica para el modelo viscoplástico de Perzyna, que c...
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Bussetta, P., Marceau, D., & Ponthot, J.-P. (2009). Résolution du problème de contact mécanique frottant : méthode du lagrangien augmenté adapté. In Proceedings of “9ème Colloque National en Calcul des Structures.
Cet article présente une nouvelle méthode de résolution du problème de contact mécanique frottant...
Guo, W., Raughs, G., Zhang, W. H., & Ponthot, J.-P. (2009). Study of the influence of friction in imperfect conical indentation for elasto-plastic material. In Proceedings of VIENNANO’09 – 3rd Vienna International Conference on Nano Technology.
Peer reviewed
Jeunechamps, P.-P., & Ponthot, J.-P. (2009). Damage and fracture of ductile materials submitted to high strain rates. An implicit thermomechanically coupled approach with element erosion. In Proceedings of “PACAM XI, 11th Pan-American Congress of Applied Mechanics.
Jeunechamps, P.-P., & Ponthot, J.-P. (2009). Damage and fracture of materials submitted to high strain rates. A thermomechanically coupled approach with element erosion. In Proceedings of “Dynamic behaviour of materials”, Workshop in memory of Prof. J.R. Klepaczko (pp. 235-242). A. Rusinek and P. Chevrier.
Jeunechamps, P.-P., & Ponthot, J.-P. (2009). Numerical simulation of materials submitted to high strain rates. A thermomechanically coupled approach including damage and fracture. In PLASTICITY 2009.
Koeune, R., & Ponthot, J.-P. (2009). One Phase Constitutive Models for the Simulation of Thixoforming Processes [Paper presentation]. Proceedings of PLASTICITY 2009 – International symposium on Plasticity and its current applications, Saint-Thomas, U.S. Virgin Islands, United States.
Mengoni, M., & Ponthot, J.-P. (2009). A pressure dependent bone remodeling model for application in orthodontics. In XXIInd Congress of the International Society of Biomechanics.
Peer reviewed
Ponthot, J.-P., Guo, W., Rauchs, G., & Zhang, W. (2009). Study of the influence of friction in imperfect conical indentation for elasto-plastic material. Tribology - Materials, Surfaces and Interfaces, 3 (4), 151-157. doi:10.1179/175158309X12586382418418
The investigation of this paper provides a rationale of the influence of friction in nanoindentat...
Peer reviewed
Boman, R., & Ponthot, J.-P. (2008). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (6). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84169
Boman, R., Papeleux, L., & Ponthot, J.-P. (2008). Application of the Arbitrary Lagrangian Eulerian Formulation to the Numerical Simulation of Forming Process. In P. Hora (Ed.), Numisheet 2008: 7th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes (pp. 405-410). ETH Zurich, Switzerland: Institute of Virtual Manufacturing.
Peer reviewed
Hogge, M., Van Keer, R., Noels, L., Stainier, L., Ponthot, J.-P., Remacle, J.-F., & Dick, E. (Eds.). (2008). Actes du Congrès ACOMEN 2008, Second international Conference on Advanced Computational Methods in Engineering, Liège, Belgium, May 26-38, 2008.
Mengoni, M., & Ponthot, J.-P. (2008). A continuum damage model for alveolar bone remodeling. In Fourth International Conference on Advance COmputational Methods in ENgineering - ACOMEN 2008.
Peer reviewed
Vigneron, L. M., Boman, R., Ponthot, J.-P., Robe, P., Warfield, S. K., & Verly, J. (2008). Issues in FEM-based Modeling of Brain Shift in Neurosurgery. In M. Hogge, R. Van Keer, L. Noels, L. Stainier, J.-P. Ponthot, J.-F. Remacle, ... E. Dick (Eds.), Proceedings of ACOMEN’2008, Advanced Computational Methods in Engineering (on CD-ROM). Belgium: University of Liège.
We consider the problem of improving outcomes for neurosurgery patients by enhancing intraoperati...
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2008). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (5). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84167
Bui, Q. V., & Ponthot, J.-P. (2008). Numerical simulation of cold roll-forming processes. Journal of Materials Processing Technology, 202 (1-3), 275-282. doi:10.1016/j.jmatprotec.2007.08.073
3D finite element analysis is employed to simulate a cold roll-forming process. Numerical results...
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Garcia-Garino, C., & Ponthot, J.-P. (2008). A quasi-coulomb model for frictional contact interfaces. Application to metal forming simulations. Latin American Applied Research, 38 (2), 95-104.
Frictional contact interfaces have to be modeled in practice when industrial problems such as met...
Peer reviewed
Guo, W., Ponthot, J.-P., Zhang, W., & Rauchs, G. (2008). The influence of friction on elasto-plastic material in nanoindentation. In Proceedings of ACOMEN’2008, Advanced Computational Methods in Engineering (pp. 14). M. Hogge, R. Van Keer, L. Noels, L. Stainier, J.-P. Ponthot, J.-F. Remacle, E. Dick.
A comprehensive computational study is undertaken to identify the influence of friction in nanoin...
Karaseva, O., Stainier, L., Careglio, C., Garcia-Garino, C., Mirasso, A., & Ponthot, J.-P. (2008). A comparison of triangle and quadrangle finite elements for large strain elastoplastic formulations. In Proceedings of ACOMEN’2008, Advanced Computational Methods in Engineering (pp. 11). M. Hogge, R. Van Keer, L. Noels, L. Stainier, J.-P. Ponthot, Editors: J.-F. Remacle, E. Dick.
The paper presents a comparative study of different elastoplastic large strain formulations used ...
Koeune, R., & Ponthot, J.-P. (2008). A One-Phase Thermomechanical Constitutive Model for the Numerical Simulation of Semi-Solid Thixoforming. In Proceedings of ESAFORM 2008, Conference on material forming.
A thermo mechanical one-phase elasto-visco-plastic constitutive law has been developed in order t...
Peer reviewed
Koeune, R., & Ponthot, J.-P. (2008). A one-phase thermomechanical constitutive model for the numerical simulation of semi-solid thixoforming. International Journal of Material Forming, suppl. 1, 1007-1010. doi:10.1007/s12289-008-0228-4
A thermomechanical one-phase elasto-visco-plastic constitutive law has been developed in order to...
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Koeune, R., & Ponthot, J.-P. (2008). A one-phase thermomechanical Model for Semi-Solid thixoforming. Solid State Phenomena, 141-143, 629-635. doi:10.4028/www.scientific.net/ssp.141-143.629
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Koeune, R., & Ponthot, J.-P. (2008). A One Phase Thermomechanical Model for Semi-Solid Thixoforming. In S2P, the 10th International Conference on Semi-Solid Processing of Alloys and Composites.
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Koeune, R., & Ponthot, J.-P. (2008). An Improved Constitutive Model for the Numerical Simulation of Semi-Solid Thixoforming. In Proceedings of ACOMEN’2008, Advanced Computational Methods in Engineering (pp. 10). Editors: M. Hogge, R. Van Keer, L. Noels, L. Stainier, J.-P. Ponthot, J.-F. Remacle, E. Dick.
In order to model thixoforming processes, previous papers presented a thermo-mechanical one-phase...
Mengoni, M., & Ponthot, J.-P. (2008). A damage/repair model for alveolar bone remodeling. In Middleton, Evans, Holt, Jacobs, ... Walker (Eds.), 8th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering : CMBBE2008, Porto, Porugal. Arup.
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Nguyen, N. H., PHAM, V. N., Hogge, M., & Ponthot, J.-P. (2008). An assumed natural strain technique for 2D solid-shell elements. In Proceedings of ACOMEN’2008, Advanced Computational Methods in Engineering (pp. 13). M. Hogge, R. Van Keer, L. Noels, L. Stainier, J.-P. Ponthot, Editors: J.-F. Remacle, E. Dick.
With the combination of the enhanced assumed strain (EAS) and assumed natural strain (ANS) techni...
Noels, L., Stainier, L., & Ponthot, J.-P. (2008). A first-order energy-dissipative momentum-conserving scheme for elasto-plasticity using the variational updates formulation. Computer Methods in Applied Mechanics and Engineering, 197 (6-8), 706–726. doi:10.1016/j.cma.2007.09.008
In a previous paper [L. Noels, L. Stainier, J.-P. Ponthot, An energy momentum conserving algorith...
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Nsiampa, N., Ponthot, J.-P., & Noels, L. (2008). Comparative study of numerical explicit schemes for impact problems. International Journal of Impact Engineering, 35 (12), 1688-1694. doi:10.1016/j.ijimpeng.2008.07.003
Explicit numerical schemes are used to integrate in time finite element discretization methods. U...
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Ponthot, J.-P., Boman, R., Papeleux, L., Wouters, P., Daolio, G., Duroux, P., & Kergen, R. (2008). An Efficient Numerical Model for the Numerical Simulation of Forming Processes. In A. Khan & B. Farrokh (Eds.), Mechanics and Mechanisms of Finite Plastic Deformation : Proceedings of PLASTICITY'08, Fourteenth International Symposium on Plasticity and its Current Applications (pp. 70-72). Maryland, United States: Neat Press.
In this paper, the Arbitrary Lagrangian Eulerian formalism is used to compute the steady state of...
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2007). An Arbitrary Lagrangian Eulerian Formulation for the Numerical Simulation of Forming Processes. In International Workshop 2007: Advancements in Design Optimization of Materials, Structures and Mechanical Systems (pp. 142-151).
Fancello, E., Vigneron, L., Noels, L., Ponthot, J.-P., Boman, R., & Stainier, L. (2007). Identificación de parámetros de viscoelasticidad finita aplicada a la simulación del comportamiento mecánico de masa encefálica. In Congreso Iberoamericano de Ingenieria Mecanica.
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Boman, R., Papeleux, L., & Ponthot, J.-P. (2007). Application of the Arbitrary Lagrangian Eulerian Formulation to the Numerical Simulation of Forming Process. In D. R. J. Owen & E. Oñate (Eds.), COMPLAS 2007 : IX International Conference on Computational Plasticity Fundamentals and Applications (on CD-ROM).
Boman, R., Papeleux, L., & Ponthot, J.-P. (2007). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (4). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84166
Boman, R., Papeleux, L., & Ponthot, J.-P. (17 May 2007). A General Arbitrary Lagrangian Eulerian Formulation for the Numerical Simulation of 3D forming Processes. AIP Conference Proceedings, 908, 179-184. doi:10.1063/1.2740808
In this paper, the arbitrary Lagrangian Eulerian formalism is used to compute the steady state of...
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Mengoni, M., Charlier, R., & Ponthot, J.-P. (2007). Une comparaison de différents modèles élasto-plastiques pour la modélisation du remodelage osseux en orthodontie. In 8ème Colloque National en Calcul des Structures.
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2007). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (3). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84164
Jeunechamps, P.-P., & Ponthot, J.-P. (2007). Numerical simulation of materials submitted to high strain rates. A thermomechanical coupled approach. In Int. Conf. on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2007. M. Papadrakakis, E. Oñate and B. Schrefler (Eds).
Koeune, R., & Ponthot, J.-P. (2007). Numerical simulation of semi-solid thixoforming. In Int. Conf. on Computational Plasticity, COMPLAS IX. E. Oñate and D.R.J. Owen (Eds).
Koeune, R., & Ponthot, J.-P. (2007). Thermomechanical one-phase modeling of semi-solid thixoforming. In Int. Conf. on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2007. M. Papadrakakis, E. Oñate and B. Schrefler (Eds).
Montmitonnet, P., Stephany, A., Cassarini, S., Ponthot, J.-P., Laugier, M., & Legrand, N. (2007). Modelling of metal forming lubrication by O/W emulsions. In Modelling of metal forming lubrifrication by O/W emulsions (pp. 85-90).
Noels, L., Stainier, L., & Ponthot, J.-P. (2007). A New Energy-Dissipative Momentum-Conserving Time Integration Scheme Using the Variational Updates Framework [Paper presentation]. ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (CompDyn 2007), Rethymno, Greece.
Although they are the most widely used time integration algorithms for finite-element discretizat...
Noels, L., Stainier, L., & Ponthot, J.-P. (2007). An Energy-Dissipative Momentum-Conserving Time Integration Algorithm for Viscoplastic Hyperelastic Models Based on the Variational Updates Framework [Paper presentation]. Implats 2007 (Plasticity and Impact Mechanics), Bochum, Germany.
Traditional time integration algorithms for finite-element discretization are numerically stable ...
Noels, L., Stainier, L., & Ponthot, J.-P. (2007). Introduction of Numerical Dissipation in the Variational Updates Framework for Elasto-Plastic Constitutive Models [Paper presentation]. The 13th International Symposium on Plasticity & Its Current Applications (Plasticity07), Girwood, United States.
The most widely used time integration algorithms for finite-element, based on the Newmark family,...
Trichon, S., Bonte, M., Ponthot, J.-P., & Van den Boogaard, T. (2007). Aspects of approximate optimisation: overcoming the curse of dimensionality and design of experiments. In Proceedings of IPDOS2007, Inverse Problems, Design and Optimization Symposium.
Trichon, S., Bonte, M. H. A., van den Boogaard, A. H., & Ponthot, J.-P. (2007). A study for efficiently solving optimisation problems with an increasing number of design variables [Paper presentation]. 9th International Conference on Numerical Methods in Industrial Forming Processes(NUMIFORM 07), Univ. Porto, Fac. Engn., Oporto, Portugal. doi:10.1063/1.2740857
Coupling optimisation algorithms to Finite Element Methods (FEM) is a very promising way to achie...
Peer reviewed
Vigneron, L., Boman, R., Ponthot, J.-P., Robe, P. A., Warfield, S. K., & Verly, J. (2007). Navigation neurochirurgicale basée sur des modèles biomécaniques [Paper presentation]. Meeting of the 160th anniversary of the AILg (Association des Ingénieurs sortis de 14 l’Université de Liège): L’ingénieur et les sciences du vivant, Liège, Belgium.
Boman, R., Papeleux, L., & Ponthot, J.-P. (2006). Cold Roll Forming and Metal Cutting Simulation using a 3D Arbitrary Lagrangian Eulerian Formulation. In G. de Saxcé & N. Moës (Eds.), Modeling in Mechanical and Civil Engineering : Collection of Papers from Prof. Nguyen Dang Hung's former students. HCM City, Vietnam: Vietnam National University Ho Chi Minh City Publishing House.
Garcia Garino, C., Ponthot, J.-P., Mirasso, A., Koeune, R., Jeunechamps, P.-P., & Careglio, C. (2006). Numerical simulation of large strain rate dependent J2 problems. In Proceedings of ENIEF 2006, Mecanica Computational (pp. 1927-1946). A. Cardona et al. (Eds.).
Verly, J., Kavec, M., Vigneron, L., Phillips, C., Boman, R., Libertiaux, V., Ponthot, J.-P., Cescotto, S., Robe, P., Martin, D., Wikler, D., Levivier, M., & Brotchi, J. (November 2006). Problems and Challenges of Image-Guided Neurosurgical Navigation and Intervention. Lecture Notes in Computer Science, 4263, 35. doi:10.1007/11902140_4
Peer reviewed
Boman, R., Papeleux, L., & Ponthot, J.-P. (2006). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (2). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84163
Jeunechamps, P.-P., & Ponthot, J.-P. (August 2006). An efficient implicit approach for the thermomechanical behavior of materials submitted to high strain rates. Journal de Physique IV, 134, 515-520. doi:10.1051/jp4:2006134079
In the present paper, three solutions are proposed to simulate fast phenomena with finite element...
Peer reviewed
Boman, R., Papeleux, L., Bui, Q. V., & Ponthot, J.-P. (03 July 2006). Application of the Arbitrary Lagrangian Eulerian Formulation to the Numerical Simulation of Cold Roll Forming Process. Journal of Materials Processing Technology, 177 (1-3), 621-625. doi:10.1016/j.jmatprotec.2006.04.120
In this paper, the Arbitrary Lagrangian Eulerian formalism is used to compute the steady state of...
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Boman, R., Papeleux, L., Viet, B. Q., & Ponthot, J.-P. (2006). A 3D Arbitrary Lagrangian Eulerian Formulation for the Numerical Simulation of Forming Processes. Application to cold roll forming and metal cutting. In C. A. Mota Soares (Ed.), Proceedings of ECCM 2006, III European Conference on Computational Mechanics, Solids, Structures and Coupled Problems in Engineering (on CD-ROM).
Peer reviewed
Jeunechamps, P.-P., Ho, K. C., Lin, J., Ponthot, J.-P., & Dean, T. A. (June 2006). A closed form technique to predict springback in creep age-forming. International Journal of Mechanical Sciences, 48 (6), 621-629. doi:10.1016/j.ijmecsci.2006.01.005
An efficient numerical method has been developed and programmed to predict springback in creep ag...
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Viet, B. Q., Boman, R., Papeleux, L., Wouters, P., Kergen, R., Daolio, G., Duroux, P., Flores, P., Habraken, A., & Ponthot, J.-P. (2006). Springback and Twist Prediction of Roll Formed Parts. In A. D. Santos & A. Barata da Rocha (Eds.), Proceedings of the IDDRG 2006 International Deep Drawing Research Group, Drawing the things to come, Trends and Advances in Sheet Metal Forming (pp. 567-574).
In the construction market, Roll Forming is the reference forming process. Numerous parts are ach...
Peer reviewed
Fancello, E., Ponthot, J.-P., & Stainier, L. (12 March 2006). A variational formulation of constitutive models and updates in non-linear finite viscoelasticity. International Journal for Numerical Methods in Engineering, 65 (11), 1831-1864. doi:10.1002/nme.1525
The purpose of this article is to present a general framework for constitutive viscoelastic model...
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Garcia, C., Celentano, D., Flores, F., & Ponthot, J.-P. (10 March 2006). Numerical modelling and experimental validation of steel deep drawing processes - Part I. Material characterization. Journal of Materials Processing Technology, 172 (3), 451-460. doi:10.1016/j.jmatprotec.2005.11.015
This work presents an experimental characterization of the mechanical behaviour of the EK4 deep d...
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Garcia, C., Celentano, D., Flores, F., Ponthot, J.-P., & Oliva, O. (10 March 2006). Numerical modelling and experimental validation of steel deep drawing processes - Part II. Applications. Journal of Materials Processing Technology, 172 (3), 461-471. doi:10.1016/j.jmatprotec.2005.11.016
This paper presents the modelling and experimental validation of three different deep drawing app...
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Boman, R., Papeleux, L., & Ponthot, J.-P. (2006). Etudes sur la simulation de la tenue thermo-mécanique d'assemblages complexes. (1). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84162
Fancello, E., Ponthot, J.-P., Vigneron, L., & Stainier, L. (2006). A viscoelastic formulation for finite strains: application to brain soft tissues. In Proceedings of XXVII CILAMCE – Iberian Latin American Congress on Computational Methods in Engineering.
Jeunechamps, P.-P., & Ponthot, J.-P. (2006). A finite element method for thermomechanical simulation of materials submitted to high strain rates with an implicit approach. In 7th National Congress on Theoretical and Applied Mechanics.
Peer reviewed
Jeunechamps, P.-P., & Ponthot, J.-P. (2006). An efficient implicit approach for the thermomechanical behavior of materials submitted to high strain rates. In Proceedings of DYMAT 2006.
Peer reviewed
Noels, L., Stainier, L., & Ponthot, J.-P. (2006). An energy momentum conserving algorithm using the incremental potential for visco-plasticity [Paper presentation]. 7th World Congress on Computational Mechanics, Los Angeles, United States.
Noels, L., Stainier, L., & Ponthot, J.-P. (2006). An energy momentum conserving algorithm using the variational formulation of visco-plastic updates. International Journal for Numerical Methods in Engineering, 65 (6), 904–942. doi:10.1002/nme.1480
In this paper we use the variational formulation of elasto-plastic updates proposed by Ortiz and ...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2006). Energy conserving balance of explicit time steps to combine implicit and explicit algorithms in structural dynamics. Computer Methods in Applied Mechanics and Engineering, 195 (19-22), 2169–2192. doi:10.1016/j.cma.2005.03.003
Recent developments have proved the advantage of combining both time implicit and time explicit i...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2006). Simulation of crashworthiness problems with improved contact algorithms for implicit time integration. International Journal of Impact Engineering, 32 (5), 799-825. doi:10.1016/j.ijimpeng.2005.04.010
When studying crashworthiness problems, contact simulation can be the source of a number of probl...
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Ponthot, J.-P., & Kleinermann, J.-P. (2006). A cascade optimization methodology for automatic parameter identification and shape/process optimization in metal forming simulation. Computer Methods in Applied Mechanics and Engineering, 195 (41-43), 5472-5508. doi:10.1016/j.cma.2005.11.012
Computer simulations of metal forming processes using the finite element method (FEM) are, today,...
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Stephany, A., Ponthot, J.-P., & Legrand, N. (2006). Numerical simulation in cold rolling using adiabatic strip model : application to large roll deformation. In AUSTRIB 06.
Peer reviewed
Verly, J., Kavec, M., Vigneron, L. M., Phillips, C. L., Boman, R., Libertiaux, V., Ponthot, J.-P., Cescotto, S., Robe, P. A., Martin, D., Wikler, D., Levivier, M., & Brotchi, J. (2006). Problem and challenges of image-guided neurosurgical navigation and intervention [Paper presentation]. 21st International Symposium on Computer and Information Sciences (ISCIS), Istanbul, Turkey.
Noels, L., Stainier, L., & Ponthot, J.-P. (December 2005). Simulation of complex impact problems with implicit time algorithms: Application to a turbo-engine blade loss problem. International Journal of Impact Engineering, 32 (1-4), 358–386. doi:10.1016/j.ijimpeng.2005.06.003
Recent developments, in non-linear structural dynamics, have led to a new kind of implicit algori...
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Adam, L., & Ponthot, J.-P. (October 2005). Thermomechanical modeling of metals at finite strains: First and mixed order finite elements. International Journal of Solids and Structures, 42 (21-22), 5615-5655. doi:10.1016/j.ijsolstr.2005.03.020
The aim of this paper is to describe an updated EAS (Enhanced Assumed Strain) finite element form...
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Boman, R., & Ponthot, J.-P. (2005). Prédiction numérique de l’angle de surformage en profilage à froid. (4). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84161
Boman, R., Papeleux, L., Viet, B. Q., Ponthot, J.-P., Wouters, P., & Kergen, R. (05 August 2005). An ALE Model for Numerical Simulation of Cold Roll Forming Process. AIP Conference Proceedings, 778, 768-773. doi:10.1063/1.2011315
In this paper, the Arbitrary Lagrangian Eulerian formalism is used to compute the steady state of...
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Viet, B. Q., Papeleux, L., Boman, R., Ponthot, J.-P., Wouters, P., Kergen, R., & Daolio, G. (2005). Numerical Simulation of Cold Roll Forming Process. In D. Banabic (Ed.), Proceedings of the 8th ESAFORM Conference on Material Forming (pp. 141-144). The Romanian Academy Publishing House Bucharest.
Cold roll-forming process of a U profile is modelled and simulated. The simulation is based on a ...
Peer reviewed
Chabrand, P., Dubois, F., Graillet, D., Boman, R., & Ponthot, J.-P. (March 2005). Numerical simulation of tribological devices used as a set of benchmarks for comparing contact algorithms. Finite Elements in Analysis and Design, 41 (6), 637-665. doi:10.1016/j.finel.2004.08.001
The aim of the present study was to carry out a numerical comparison of different frictional cont...
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Noels, L., Stainier, L., & Ponthot, J.-P. (February 2005). Simulation of crashworthiness problems with implicit time integration methods for non-linear dynamics [Paper presentation]. Aero-Astro Department seminar, Cambridge, United States.
When studying impact problems, time integration of the equations of evolution occurs in the non-l...
Adam, L., & Ponthot, J.-P. (2005). Heat generation due to friction and plastic dissipation – a coupled thermomechanical approach for impact and metal forming simulation. In Proceedings of Int. Conf. on Computational Methods for Coupled Problems in Science and Engineering – COUPLED PROBLEMS 2005. Papadrakakis, Onate & Schrefler, Editors.
Fancello, E., Ponthot, J.-P., & Stainier, L. (2005). A variational framework for nonlinear viscoelastic models in finite deformation regime. Journal of Computational and Applied Mathematics, 215 (2), 400-408. doi:10.1016/j.cam.2006.04.064
This work presents a general framework for constitutive viscoelastic models in the finite deforma...
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Fancello, E., Stainier, L., & Ponthot, J.-P. (2005). A variational formulation of constitutive models and updates in nonlinear finite viscoelasticity. In 7ème Colloque National en calcul des Structures.
Peer reviewed
Jeunechamps, P.-P., Ponthot, J.-P., Bouvier, S., & Uenishi, A. (2005). Analyse numérique des tests expérimentaux à grande vitesse de déformation. In 7ème Colloque National en calcul des Structures.
Peer reviewed
Noels, L., Stainier, L., & Ponthot, J.-P. (2005). Simulation of Complex Crashworthiness Problems by Using a Combined Implicit/Explicit Time Integration [Paper presentation]. VIII International Conference on Computational Plasticity (Complass VIII), Barcelona, Spain.
In this work we will combine the ®-generalized explicit time integration scheme with the Energy-D...
Ponthot, J.-P., Garcia-Garino, C., & Mirasso, A. (2005). Large strain elasto/viscoplastic constitutive model. Theory and numerical scheme. In MECOM 2005, Mecanica Computational. Vol. XXIV.
Ponthot, J.-P., & Kleinermann, J.-P. (2005). Optimisation methods for initial/tool shape optimisation in metal forming processes. International Journal of Vehicle Design, 39 (1-2), 14-24. doi:10.1504/IJVD.2005.007215
Nowadays, the computer simulations of metal forming processes using the finite element method (FE...
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Stainier, L., Fancello, E., & Ponthot, J.-P. (2005). A variational framework for nonlinear viscoelastic and viscoplastic models in finite deformation regime. In MECOM 2005, , Mecanica Computational.
Stephany, A., & Ponthot, J.-P. (2005). Numerical simulation of mixed lubrication in cold rolling using an object-oriented philosophy. In ACOMEN 2005.
Peer reviewed
Viet, B. Q., & Ponthot, J.-P. (2005). Finite element simulation of cold roll-forming processes. In ACOMEN 2005.
Peer reviewed
Stephany, A., Ponthot, J.-P., Collette, C., & Schelings, J. (10 November 2004). Efficient algorithmic approach for mixed-lubrication in cold rolling. Journal of Materials Processing Technology, 153 (1), 307-313. doi:10.1016/j.jmatprotec.2004.04.310
A model of cold rolling taking into account lubrication in mixed mode was developed. The main obj...
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Viet, B. Q., Papeleux, L., & Ponthot, J.-P. (10 November 2004). Numerical simulation of springback using enhanced assumed strain elements. Journal of Materials Processing Technology, 153 (1), 314-318. doi:10.1016/j.jmatprotec.2004.04.342
The quality of springback prediction for a sheet metal forming process depends on a precise estim...
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Boman, R., & Ponthot, J.-P. (01 October 2004). Finite Element Simulation of Lubricated Contact in Rolling using the Arbitrary Lagrangian-Eulerian Formulation. Computer Methods in Applied Mechanics and Engineering, 193 (39-41), 4323-4353. doi:10.1016/j.cma.2004.01.034
In this paper, the lubrication problem in numerical simulation of forming processes is considered...
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Boman, R., Papeleux, L., & Ponthot, J.-P. (2004). Prédiction numérique de l’angle de surformage en profilage à froid. (3). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84159
Noels, L., Stainier, L., & Ponthot, J.-P. (July 2004). Simulation of complex impact problems with implicit time algorithms: Application to a turbo - engine blade loss problem [Poster presentation]. 5th International Symposium on Impact Engineering, Cambridge, United Kingdom.
Adam, L., & Ponthot, J.-P. (2004). Thermomechanical Modeling at finite strains : updated EAS and SRI finite element formalisms. In Proceedings of PACAM VIII, eigth Pan American Congress of Applied Mechanics (pp. 165-168).
Adam, L., Rassili, A., & Ponthot, J.-P. (2004). The influence of the evolution of the strain rate sensitivity on superplastic forming processes [Paper presentation]. Proceedings of the International Conference on Semi Solid Processing of Alloys and Composites, Cyprus.
Celentano, D., Garcia Garino, C., Flores, F., & Ponthot, J.-P. (2004). Modeling and experimental validation of an industrial sheet metal forming process. In Computational Mechanics, WCCM VI. Z. Yao, M. Yan & W. Zhong, Editors.
Donea, J., Huerta, A., Ponthot, J.-P., & Rodriguez--Ferran, A. (2004). Arbitrary Lagrangian Eulerian methods. In Encyclopedia of Computational Mechanics (pp. 14, Vol. 1). E. Stein, R. de Borst and T.J.R. Hughes, Wiley & sons.
Jeunechamps, P.-P., Ponthot, J.-P., & Bouvier, S. (2004). Analyse numérique des tests expérimentaux à grande vitesse de déformation sur des aciers dual phase. In Colloque national MECAMAT 2005.
Peer reviewed
Jeunechamps, P.-P., Walmag, J., Duysinx, P., Delhez, E., Tossings, P., Habraken, A., & Ponthot, J.-P. (2004). A trust region algorithm for automatic identification of elasto-viscoplastic model parameters in metallurgical finite element model. Steel Grips 2, Supplement Metal Forming 2004.
Simulation of manufacturing processes, here metal forming, has made major progresses during the l...
Peer reviewed
Noels, L., Stainier, L., & Ponthot, J.-P. (2004). A Consistent Dissipative Time Integration Scheme for Structural Dynamics. Application to Rotordynamics [Paper presentation]. 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Palm Springs, United States.
Recently, robust implicit energy and momentum conserving algorithms have been developed in the no...
Noels, L., Stainier, L., & Ponthot, J.-P. (2004). An energy-momentum conserving algorithm for non-linear hypoelastic constitutive models. International Journal for Numerical Methods in Engineering, 59 (1), 83-114. doi:10.1002/nme.869
This paper presents an extension of the energy momentum conserving algorithm, usually developed f...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2004). Combined implicit/explicit algorithms for crashworthiness analysis. International Journal of Impact Engineering, 30 (8-9, SEP-OCT), 1161-1177. doi:10.1016/j.ijimpeng.2004.03.004
In order to simulate an industrial process, an explicit method, which is conditionally stable, is...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2004). Combined implicit/explicit time-integration algorithms for the numerical simulation of sheet metal forming. Journal of Computational and Applied Mathematics, 168 (1-2, Sp. Iss. SI), 331-339. doi:10.1016/j.cam.2003.12.004
In order to simulate stamping processes, an explicit method, which is conditionally stable, is ge...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2004). On the use of large time steps with an energy momentum conserving algorithm for non-linear hypoelastic constitutive models. International Journal of Solids and Structures, 41 (3-4), 663–693. doi:10.1016/j.ijsolstr.2003.09.032
This paper presents an extension of the energy momentum conserving algorithm, developed by the au...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2004). Simulation of complex impact problems with implicit time algorithms. Application to crashworthiness problems. Matériaux et Techniques, 15-19.
Recently, robust implicit energy and momentum conserving algorithms have been developed in the no...
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Ponthot, J.-P., & Adam, L. (2004). Thermo-elasto-plastic modeling of the behaviour of metals submitted to finite strains. A coupled thermo-mechanical approach. In Proceedings of ENIEF 2004, XIV Congress on numerical methods and their applications.
Peer reviewed
Stainier, L., Viet, B. Q., & Ponthot, J.-P. (2004). Modeling the elastic-plastic behavior of a rotor support structure under a large unbalance: numerical simulations. In Proceedings of ISMA 2004, International Conference on Noise & Vibration Engineering.
Stephany, A., & Ponthot, J.-P. (2004). Improvements of an iterative and staggered Approach for a Model of Mixed Lubrication in Cold Rolling. In Proceedings of NUMIFORM 2004, The 8th International Conference on Numerical Methods in Industrial Forming Processes: Materials processing and design. Modeling, Simulation and Applications (pp. 406-411). S. Ghosh, J.M. Castro and J.K. Lee.
Noels, L., Stainier, L., & Ponthot, J.-P. (2003). Advances in the time integration of Dynamical Systems. Applications to Crashworthiness problems. In Proceedings of the International Crashworthiness and Design Symposium 2003.
Boman, R., Papeleux, L., & Ponthot, J.-P. (2003). Prédiction numérique de l’angle de surformage en profilage à froid. (2). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84157
Adam, L., & Ponthot, J.-P. (20 August 2003). A coupled thermo-viscoplastic formulation at finite strains for the numerical simulation of superplastic forming. Journal of Materials Processing Technology, 139, 514-520. doi:10.1016/S0924-0136(03)00529-6
This paper deals with a thermo-elasto-viscoplastic formulation for the simulation of metal formin...
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Kleinermann, J.-P., & Ponthot, J.-P. (20 August 2003). Parameter identification and shape/process optimization in metal forming simulation. Journal of Materials Processing Technology, 139 (1-3), 521-526. doi:10.1016/S0924-0136(03)00530-2
Nowadays, computer simulations of metal forming processes using the finite element method (FEM) h...
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Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2003). A new formulation of internal forces for non-linear hypoelastic constitutive models verifying conservation laws. In K. J. Bathe (Ed.), Computational Fluid and Solid Mechanics 2003 (pp. 527-531). Elsevier. doi:10.1016/B978-008044046-0.50130-5
This paper proposes a new formulation of the internal forces for hypoelastic constitutive models ...
Jeunechamps, P.-P., Walmag, J., Delhez, E., Habraken, A., Ponthot, J.-P., Tossings, P., & Duysinx, P. (2003). Identification of elastoplastic model in large deformation problems. In C. Cinquini (Ed.), Proceedings of the 5th World Congress of Structural and Multidisciplinary Optimization WCSMO5.
This paper reports on preliminary results of parameter identification problems in finite element ...
Peer reviewed
Kleinermann, J.-P., Ponthot, J.-P., & Stainier, L. (2003). Optimization of sheet metal forming processes using inverse problems methodology. In Proceedings of COMPLAS 2003, VII International Conference on Computational Plasticity. Fundamentals and Applications.
Viet, B. Q., Papeleux, L., & Ponthot, J.-P. (2003). Efficient springback prediction based on Enhanced Assumed Strain Elements. In Proceedings of COMPLAS 2003, VII International Conference on Computational Plasticity. Fundamentals and Applications.
Noels, L., Stainier, L., & Ponthot, J.-P. (2003). Combined implicit/explicit time integration algorithms for crashworthiness analysis and metal forming simulation. In Proceedings of IMPLAST'2003, 8th International Symposium on Plasticity and Impact Mechanics (pp. 986-993). NK. Gupta, Ed.
Adam, L., & Ponthot, J.-P. (2003). Heat generation and transfer due to friction and plastic dissipation - a coupled thermomechanical approach. In Proceedings of HEFAT 2003, 2nd International conference on Heat Transfer, Fluid Mechanics and Thermodynamics.
Garcia-Herrera, C. M., Celentano J., D., & Ponthot, J.-P. (2003). Caracterization del comportamiento mecanico de aceros para embuticion profunda. In Proceedings of the joint conference Jornadas SAM, el Congreso Nacional de Metalurgia y Materiales de Chile.
Jeunechamps, P.-P., Walmag, J., Mathonet, V., Delhez, E., Habraken, A., Ponthot, J.-P., Tossings, P., & Duysinx, P. (2003). Identification of elastoplastic model parameters in large deformation problems using gamma methods. In Proceedings of the 5th World Congress on Structural and Multidisciplinary Optimization.
This paper reports on preliminary results of parameter identification problems in finite element ...
Peer reviewed
Kleinermann, J.-P., Ponthot, J.-P., & Hogge, M. (2003). Parameter identification for inverse problems in metal forming simulation. In Proceedings of FIELD ANALYSIS FOR DETERMINATION OF MATERIAL PARAMETERS. EXPERIMENTAL AND NUMERICAL ASPECTS (pp. 81-99). P. Stahle & K.G. Sundin, Eds.
Noels, L., Stainier, L., & Ponthot, J.-P. (2003). Un nouveau schéma d'intégration conservatif pour des modèles constitutifs hypoélastiques irréversibles. In M. Potier-Ferry, M. Bonnet, ... A. Bignonnet (Eds.), Actes du Sixième Colloque National en Calcul des Structures (pp. 85-92).
Ce travail propose une nouvelle évaluation des forces internes pour les modèles constitutifs hypo...
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Stainier, L., Kleinermann, J.-P., & Ponthot, J.-P. (2003). Optimization methods for parameter identification of constitutive models in finite viscoplasticity and damage. In Proceedings of PLASTICITY 2003 (pp. 558-560).
Stephany, A., Ponthot, J.-P., Collette, C., & Gratacos, P. (2003). Nouveau concept algorithmique pour un modèle de laminage à froid en régime mixte. In Proceedings of the 6ème colloque national en calcul des structures (pp. 157-164).
Peer reviewed
Stephany, A., Ponthot, J.-P., Collette, C., & SCHELINGS, J. (2003). Efficient algorithmic approach for mixed lubrication in cold rolling. In Proceedings of AMPT 2003, Advances in Materials and Processing Technologies (pp. 1085-1088).
Stephany, A., Ponthot, J.-P., Collette, C., & Schellings, J. (2003). New algorithm concept for a model of mixed lubrication in cold rolling. In Proceedings of METEC 2003, European Rolling Conference (pp. 411-416).
Peer reviewed
Viet, B. Q., Papeleux, L., & Ponthot, J.-P. (2003). Numerical simulation of Springback using enhanced assumed strain elements. In Proceedings of AMPT 2003, Advances in Materials and Processing Technologies (pp. 623-626).
Adam, L., & Ponthot, J.-P. (November 2002). Numerical simulation of viscoplastic and frictional heating during finite deformation of metal. Part I: Theory. Journal of Engineering Mechanics, 128 (11), 1215-1221. doi:10.1061/(ASCE)0733-9399(2002)128:11(1215)
In this paper we will apply the theoretical framework developed in Part I to various metal formin...
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Adam, L., & Ponthot, J.-P. (November 2002). Numerical Simulation of Viscoplastic and Frictional Heating during Finite Deformation of Metal. Part II: Applications. Journal of Engineering Mechanics, Vol. 128, 1222-1232. doi:10.1061/(ASCE)0733-9399(2002)128:11(1222)
In this paper we will apply the theoretical framework developed in Part I to various metal formin...
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Viet, B. Q., Nguyen, H. G., Papeleux, L., & Ponthot, J.-P. (2002). Simulation of Springback with Enhanced Assumed Strain Elements. In Proceedings of NUMISHEET 2002 (pp. 31-36).
Boman, R., & Ponthot, J.-P. (09 September 2002). Numerical Simulation of Lubricated Contact in Rolling Processes. Journal of Materials Processing Technology, 125-126, 405-411. doi:10.1016/S0924-0136(02)00291-1
In this paper, the lubrication problem in numerical simulation of rolling process is presented. I...
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Papeleux, L., & Ponthot, J.-P. (09 September 2002). Finite element simulation of springback in sheet metal forming. Journal of Materials Processing Technology, 125 (Sp. Iss. SI), 785-791. doi:10.1016/S0924-0136(02)00393-X
Although finite element analysis (FEA) is successful in simulating complex industrial sheet formi...
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Boman, R., Papeleux, L., & Ponthot, J.-P. (2002). Prédiction numérique de l’angle de surformage en profilage à froid. (1). ULg - Université de Liège. https://orbi.uliege.be/handle/2268/84155
Hogge, M., Ponthot, J.-P., Stainier, L., DE SCHEPPER, H., VAN KEER, R., & NOLDUS, E. (Eds.). (2002). Actes du Congrès ACOMEN 2002, Second international Conference on Advanced Computational Methods in Engineering, Liège, Belgium, May 28-31, 2002.
Papeleux, L., & Ponthot, J.-P. (2002). Springback Prediction in Sheet Metal Forming. In Proceedings of ACOMEN 2002 (pp. 10).
Bui, Q. V., & Ponthot, J.-P. (January 2002). Estimation of rubber sliding friction from asperity interaction modeling. Wear, 252 (1-2), 150-160. doi:10.1016/S0043-1648(01)00864-X
Interaction between a soft rubber asperity and its hard counterpart is traced with the help of a ...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2002). Combined Implicit/Explicit Time Integration Algorithms for the Numerical Simulation of Sheet Metal Forming. In Proceedings of ACOMEN 2002.
Peer reviewed
Noels, L., Stainier, L., & Ponthot, J.-P. (2002). Self-adapting time integration management in crash-worthiness and sheet metal forming computations. International Journal of Vehicle Design, 30 (1-2), 67-114. doi:10.1504/IJVD.2002.002026
Variable step strategies are especially well suited to deal with problems characterized by high n...
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Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2002). Automatic time stepping algorithms for implicit numerical simulations of non-linear dynamics. Advances in Engineering Software, 33 (7-10, JUL-OCT), 589-603. doi:10.1016/S0965-9978(02)00073-X
When an implicit integration scheme is used, variable step strategies are especially well suited ...
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Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2002). Combined implicit-explicit algorithms for non-linear structural dynamics. Revue Européenne des Éléments Finis, 11 (5), 565-591. doi:10.3166/reef.11.565-591
To solve fast dynamic problems, an explicit method is the most adapted. But for slower dynamics, ...
Peer reviewed
Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2002). Détermination automatique de la taille du pas de temps pour les schémas implicites en dynamique non-linéaire. Mécanique and Industries, 3 (1), 63-77. doi:10.1016/S1296-2139(01)01134-4
Pour les problèmes caractérisés par de fortes non-linéarités, ainsi que des phénomènes d'impacts ...
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Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2002). Implicit-explicit time integration algorithms for the numerical simulation of blade-casing interactions. In A. M. Rajendran, B. N. Jones (Ed.), ... C. A. Brebbia (Ed.), Structures under Shock and Impact VII (pp. 179-188). WIT Press.
In order to solve fast dynamic problems, an explicit method is the most adapted. But for slower d...
Ponthot, J.-P. (2002). Unified stress update algorithms for the numerical simulation of large deformation elasto-plastic and elasto-viscoplastic processes. International Journal of Plasticity, 18 (1), 91-126. doi:10.1016/S0749-6419(00)00097-8
This paper is concerned with unified stress update algorithms for elastoplastic and elasto-viscop...
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Ponthot, J.-P., & Adam, L. (2002). Numerical simulation of cavitation and grain growth during superplastic forming. In Proceedings of Plasticity, damage and Fracture at Macro, Micro and Nano Scales (pp. 735-737). Aruba, A.S. Khan and O. Lopez-Pamies, Eds., Neat-Press.
Boman, R., & Ponthot, J.-P. (2001). Numerical Simulation of Lubricated Contact between Solids in Metal Forming Processes using the Arbitrary Lagrangian Eulerian Formulation. In Simulation of Material Processing: Theory, Methods and Application: Proceedings of the 7th International Conference NUMIFORM 2001 (pp. 45-53). Taylor & Francis.
Peer reviewed
Kleinermann, J.-P., & Ponthot, J.-P. (2001). Optimization Methods for Inverse Problems in Metal Forming Simulation. STEELS-Mechanical Technology, 27-29.
Peer reviewed
Adam, L., & Ponthot, J.-P. (2001). A coupled formulation for Thermo-Viscoplasticity at Finite Strains: Application to Hot Metal Forming. In fifth IUTAM Symposium on Creep in Structures (pp. 197-206). S. Murakami and N. Ohno, Editors.
Peer reviewed
Adam, L., & Ponthot, J.-P. (2001). A coupled thermo-viscoplastic formulation at finite strains for the numerical simulation of superplastic forming. Materials Science Forum, 357-359, 295-300. doi:10.4028/www.scientific.net/msf.357-359.295
This paper is concerned with the numerical simulation of hot metal forming, especially superplast...
Peer reviewed
Adam, L., & Ponthot, J.-P. (2001). A coupled Thermo-Viscoplastic Formulation at Finite Strains for the Numerical Simulation of Superplastic Forming. In Proceedings of ICSAM 2000 (pp. 295-300). N. Chandra, Ed.
Peer reviewed
Graillet, D., Ponthot, J.-P., & Stainier, L. (2001). Augmented Lagrangian procedure for implicit computation of contact-impact between deformable bodies. International Journal of Crashworthiness, 6 (2), 209-221. doi:10.1533/cras.2001.0173
This paper shows how efficiency can be improved by using an adequate Augmented Lagrangian procedu...
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Noels, L., Stainier, L., & Ponthot, J.-P. (2001). Self-adapting time integration strategies for non-linear structural dynamics [Paper presentation]. Computational Mechanics-New Frontiers for New Millenium (APCOM'01), Sydney, Australia.
Adaptive strategies are specially well suited to deal with problems characterized by high non-lin...
Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2001). Automatic time stepping algorithms for implicit numerical simulations of blade/casing interactions. International Journal of Crashworthiness, 6 (3), 351-362. doi:10.1533/cras.2001.0183
An automatic time stepping algorithm for non-linear problems, solved by implicit schemes, is pres...
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Ponthot, J.-P., & Kleinermann, J.-P. (2001). Optimization methods for inverse modeling of forming processes. In A. Habraken (Ed.), Proceedings of the Fourth International ESAFORM Conference on Material Forming (pp. 387-390).
Boman, R., & Ponthot, J.-P. (2000). ALE Methods for Determining Stationary Solutions Metal Forming Processes. In E. Oñate, G. Bugeda, ... B. Suárez (Eds.), Proceedings of ECCOMAS 2000/COMPLAS VI, European Congress on Computational Methods in Applied Sciences and Engineering.
In this paper, two efficient convection algorithms are briefly presented in order to update the v...
Peer reviewed
Boman, R., & Ponthot, J.-P. (2000). Arbitrary Lagrangian Eulerian Method for the Simulation of Lubricated Contact between Solids in Metal Forming Processes. In M. Pietryk, J. Kusiak, J. Majta, P. Hartley, ... I. Pillinger (Eds.), Metal Forming 2000 (pp. 57-62). Rotterdam, Netherlands: Balkema.
Peer reviewed
Boman, R., & Ponthot, J.-P. (2000). ALE Update Procedures for Stationary Solutions of Metal Forming Processes. In Proceedings of the 5th National Belgian Congress on Theoretical and Applied Mechanics (pp. 195-197).
Boman, R., & Ponthot, J.-P. (February 2000). Finite Elements for the Lubricated Contact Between Solids in Metal Forming Processes. Acta Metallurgica Sinica, 13 (1), 319-327.
In this paper, the lubrication problem in numerical simulation of forming processes is considered...
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Adam, L., & Ponthot, J.-P. (2000). A coupled formulation for Thermo-Viscoplasticity at Finite Strains: Application to Hot Metal Forming. In Proceedings of the Fifth National Belgian Congress on Theoretical and Applied Mechanics (pp. 115-118).
Collette, C., Counhaye, C., & Ponthot, J.-P. (2000). Intégration du transfert de rugosité à un modèle de laminage à froid. Revue de Métallurgie, 961-969.
Peer reviewed
Gohy, S., Papeleux, L., Collard, X., & Ponthot, J.-P. (2000). Accurate prediction of Springback in Sheet Metal Forming. In Proceedings of the 8th International Conference METAL FORMING 2000 (pp. 411-418). Pietrzyk et al. Eds.
Gohy, S., Papeleux, L., Collard, X., & Ponthot, J.-P. (2000). FEM Simulation of Springback in Sheet Metal Forming. In proceedings of Plasticity’2000 (pp. 225-227). A.S. Khan Editor.
Graillet, D., Ponthot, J.-P., & Stainier, L. (2000). Augmented Lagrangian procedures for implicit computation of contact-impact between deformable bodies. In Proceedings of IJCRASH 2000 (pp. 422-434). London, United Kingdom: Chirwa & Otte Eds.
Peer reviewed
Graillet, D., Stainier, L., & Ponthot, J.-P. (2000). Efficient implicit schemes for the treatment of the contact between deformable bodies. Application to shock absorber devices. In Proceedings of the Fifth National Belgian Congress on Theoretical and Applied Mechanics (pp. 307-310). doi:10.1533/cras.2000.0133
Kleinermann, J.-P., & Ponthot, J.-P. (2000). Optimization Methods for Inverse Problems in Metal Forming Simulation. In Proceedings of SACAM 2000, International Conference on Applied Mechanics (pp. 685-690). Adali, Morozov & Verijenko.
Kleinermann, J.-P., Ponthot, J.-P., & Stainier, L. (2000). Damage Model Identification Using Inverse Problem Methodology. In proceedings of Plasticity’2000 (pp. 413-415). A.S. Khan Editor.
Kleinermann, J.-P., Stainier, L., & Ponthot, J.-P. (2000). Metal Forming Processes Optimization Using Inverse Problems. In Proceedings of the Fifth National Belgian Congress on Theoretical and Applied Mechanics (pp. 247-250).
Peer reviewed
Kleinermann, J.-P., Stainier, L., & Ponthot, J.-P. (2000). Metal Forming Processes Optimization Using Inverse Problems. In Proceedings of ECCOMAS 2000/COMPLAS VI, European Congress on Computational Methods in Applied Sciences and Engineering (pp. 11).
Kleinermann, J.-P., Stainier, L., & Ponthot, J.-P. (2000). Parameter Identification Using Inverse Problems Methodology in Metal Forming Simulation. In Proc. of the Second International Conference on Engineering Computational Technology “Finite Element Techniques and development (pp. 279-284). B.H.V. Topping.
Peer reviewed
Noels, L., Stainier, L., & Ponthot, J.-P. (2000). Automatic time step size determination and automatic Hessian matrix actualisation selection for non-linear dynamic problems solved by implicit schemes [Paper presentation]. International Crashworthiness Conference (ICrash 2000), London, United Kingdom.
An automatic time step size determination for non-linear problems, solved by implicit schemes, is...
Noels, L., Stainier, L., Ponthot, J.-P., & Bonini, J. (2000). Automatic time stepping algorithms for implicit numerical simulations of non-linear dynamics. In B. H. V. Topping & C. A. Motas Soares (Eds.), FINITE ELEMENTS: TECHNIQUES AND DEVELOPMENTS (pp. 263-272). Civil Comp Press.
Variable step strategies are specially well suited to deal with problems characterized by high no...
Papeleux, L., Gohy, S., Collard, X., & Ponthot, J.-P. (2000). Numerical Simulation of Springback in Sheet Metal Forming Using Shell Elements. In Proceedings of the Fifth National Belgian Congress on Theoretical and Applied Mechanics (pp. 251-254).
Papeleux, L., Ponthot, J.-P., Gohy, S., & Collard, X. (2000). Numerical Simulation of Springback in Sheet Metal Forming Using Linear Shell Elements. In Proceedings of IASS-IACM 2000, Fourth International Colloquium on Computation of Shell and Spatial Structure (pp. 18). M. Papadrakis, A. Samartin & E. Onate, Eds.
Ponthot, J.-P., Papeleux, L., Gohy, S., & Collard, X. (2000). Numerical Simulation of Springback in Sheet Metal Forming. In Proceedings of ECCOMAS 2000/COMPLAS VI, European Congress on Computational Methods in Applied Sciences and Engineering (pp. 20).
Peer reviewed
Garcìa Garino, C., Ponthot, J.-P., Boman, R., & Oliver, J. (1999). A Quasi-Coulomb Model for Frictional Contact Interfaces. In MECOM'99 - Proceedings of the 6th Argentine Congress on Computational Mechanics.
Frictional contact interfaces have to be modeled in practice when industrial problems such as met...
Peer reviewed
Boman, R., & Ponthot, J.-P. (1999). Numerical Methods for the Lubricated Contact Between Solids in Metal Forming Processes. In ECCM’99, European Conference on Computational Mechanics.
In this paper, the lubrication problem in numerical simulation of forming processes is presented....
Peer reviewed
Garcìa Garino, C., Ponthot, J.-P., Boman, R., & Oliver, J. (1999). A Symmetric Tangent Operator Recovery via Quasi-Coulomb Model for Frictional Contact Between Solids in Large Deformation Analysis. In ECCM’99, European Conference on Computational Mechanics.
Frictional contact interfaces have to be modeled in practice when industrial problems such as met...
Peer reviewed
Ponthot, J.-P., & Graillet, D. (1999). Numerical simulation of shock-absorber devices for crashworthiness : explicit vs implicit formulation. In 32nd ISATA, International Symposium on Automotive Technology and Automation, special session on Automotive Crashworthiness, paper 99 SF004 (pp. 277-284).
Boman, R., & Ponthot, J.-P. (1999). ALE Methods for Stationary Solutions of Metal Forming Processes. In J. A. Covas (Ed.), Proceedings of the Second ESAFORM Conference on Material Forming (pp. 585-588).
In this paper, two efficient convection algorithms are briefly presented in order to update the v...
Peer reviewed
Collette, C., Counhaye, C., & Ponthot, J.-P. (1999). Intégration du transfert de rugosité à un modèle de laminage à froid. In Journées Sidérurgiques Internationales ATS.
Peer reviewed
Gohy, S., Papeleux, L., Collard, X., & Ponthot, J.-P. (1999). An extension of the Radial Return Scheme for Springback Similation in Sheet Metal Forming. In 6th ICTP-International Conference on Technology of Plasticity, Nuremberg (pp. 2045-2050).
Graillet, D., & Ponthot, J.-P. (1999). Numerical simulation of crashworthiness with an implicit finite element code. Aircraft Engineering, 71 (1), 12-20. doi:10.1108/00022669910252097
Implicit and explicit time integration schemes in conjunction with the finite element method are ...
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Kleinemann, J.-P., & Ponthot, J.-P. (1999). Optimization Methods for Inverse Problems in Large Strain Plasticity. In 1st CanCNSM – Canadian Conference on Nonlinear Solid Mechanics (pp. 244-253).
Papeleux, L., Gohy, S., Collard, X., & Ponthot, J.-P. (1999). Springback simulation in sheet metal forming using implicit algorithms. In NUMISHEET’99, the Fourth International Conference and Workshop on Numerical Simulation of 3D Sheet Forming Processes (pp. 23-28).
Ponthot, J.-P. (1999). Unified lubricated and dry friction modeling by an extension of the radial return scheme. In Seventh International Symposium on Plasticity and its current applications: special session on « Computational Modeling of Frictional Contact Processes (pp. 401-404).
Ponthot, J.-P., & Belytschko, T. (1999). Element-Free Galerkin Method for Crack Propagation [Paper presentation]. ECCM’99, European Conference on Computational Mechanics, München, Germany.
Ponthot, J.-P., & Graillet, D. (1999). Efficient Implicit Schemes for Finite Element Impact Simulation. International Journal of Crashworthiness, 4 (3), 273-285.
Peer Reviewed verified by ORBi
Ponthot, J.-P., Papeleux, L., & Gohy, S. (1999). A unified radial return scheme for visco-plasticity and mixed hardening. In Seventh International Symposium on Plasticity and its current applications (pp. 405-408).
Kleinermann, J.-P., Ponthot, J.-P., & Hogge, M. (1998). Optimization techniques for parameter identification of material constitutive laws in large deformation processes. In Journées Samtech.
Peer reviewed
Boman, R., Colantonio, L., & Ponthot, J.-P. (1998). Effective Iterative Solvers for Highly Non-Linear & Large Deformation Pressure Dependent Problems. In R. Van Keer, B. Verhegghe, M. Hogge, ... E. Noldus (Eds.), Proceedings of ACOMEN'98, Advanced Computational Methods in Engineering, part 2: Contributed papers (pp. 133-140). Maastricht, Netherlands: Shaker Publishing.
In this paper, we present a stress update scheme for non-deviatoric elastoviscoplastic models, wh...
Hogge, M., Graillet, D., & Ponthot, J.-P. (1998). Efficient Implicit Schemes for High-Speed Dynamics and Crash Simulation. Application to shock-absorber devices. In Proceedings of «ACOMEN’98», Advanced Computational Methods in Engineering: Invited Papers (pp. 51-63). R. Van Keer, B. Verhegghe, M. Hogge & E. Noldus.
Boman, R., Colantonio, L., & Ponthot, J.-P. (1998). Iterative Solvers for Large Pressure Dependent Problems. In J. Huétink & F. P. T. Baaijens (Eds.), Proceedings of the Sixth International Conference on Numerical Methods in Industrial Forming Processes (pp. 225-231).
In this paper, we present a stress update scheme for non-deviatoric elastoviscoplastic models, wh...
Peer reviewed
Chabrand, P., Dubois, F., Graillet, D., & Ponthot, J.-P. (1998). Numerical Modeling of Tribological Devices Using Various Contact Algorithms. In Proceedings of “NUMIFORM’98, Simulation of Materials Processing: Theory, Methods and Applications (pp. 839-844). Huetink & Baaijen.
Graillet, D., & Ponthot, J.-P. (1998). An Efficient Implicit Scheme for the Treatment of Contact between Deformable Bodies. In Proceedings of "NUMIFORM'98, Simulation of Materials Processing: Theory, Methods and Applications (pp. 181-186). Huetink & Baaijen.
Kleinermann, J.-P., & Ponthot, J.-P. (1998). Parameter Identification of Material Models using the "GCMMA" method. In Proceedings of "NUMIFORM'98, Simulation of Materials Processing: Theory, Methods and Applications (pp. 149-155). Huetink & Baaijen.
Ponthot, J.-P., & Belytschko, T. (1998). A Combined for Element-Free Galerkin Method/Arbitrary Lagrangian Eulerian Formulation for Dynamic Crack Propagation. In D. Durban & J. R. A. Pearson (Eds.), Proceedings of the "IUTAM Symposium on Non-Linear Singularities in Deformation and Flow (pp. 205-217). Kluwer Academic Publishers.
Chabrand, P., Dubois, F., Graillet, D., & Ponthot, J.-P. (1998). Contact Algorithms for Numerical Modeling of Tribological Devices. In Proceedings of "First ESAFORM Conference on Material Forming (pp. 511-514).
Peer reviewed
Garcìa Garino, C., Ponthot, J.-P., & Olivier, J. (1998). A Quasi-Coulomb Model for Frictional Contact Interfaces. In S. Idelsohn, Onate, ... Dvorkin (Eds.), Proceedings of "World Congress on Computational Mechanics IV (pp. 22).
Peer reviewed
Graillet, D., & Ponthot, J.-P. (1998). An Efficient Implicit Scheme for the Treatment of Frictional Contact between Deformable Bodies. In Proceedings of "First ESAFORM Conference on Material Forming" (pp. 283-286).
Peer reviewed
Ponthot, J.-P. (1998). A Unified Radial Return Scheme for Visco-PLasticity and Lubricated Friction. In Proceedings of "First ESAFORM Conference on Material Forming (pp. 279-282).
Ponthot, J.-P. (1998). An extension of the radial return algorithm to account for rate-dependent effects in frictional contact and visco-plasticity. Journal of Materials Processing Technology, 80-1, 628-634. doi:10.1016/S0924-0136(98)00125-3
This paper deals with unified elasto-plastic and elastic-visco-plastic constitutive equations for...
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Ponthot, J.-P. (1998). An Extension of the Radial Return Algorithm to Account for Visco- Plasticity and Rate-Dependent Effects in Frictional Contac. In Proceedings of "World Congress on Computational Mechanics IV" (pp. 18).
Peer reviewed
Ponthot, J.-P. (1998). Radial Return Extension for the Numerical Simulation of Viscoplastic Processes. In Proceedings of “NUMIFORM'98, Simulation of Materials Processing: Theory, Methods and Applications (pp. 271-276). Huetink & Baaijen.
Peer reviewed
Ponthot, J.-P., & Belytschko, T. (1998). Arbitrary Lagrangian-Eulerian formulation for element-free Galerkin method. Computer Methods in Applied Mechanics and Engineering, 152, 19-46. doi:10.1016/S0045-7825(97)00180-1
Arbitrary Lagrangian-Eulerian (ALE) formulation of the Element Free Galerkin (EFG) method is pres...
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Ponthot, J.-P., & Graillet, D. (1998). An Efficient Implicit Scheme for the Treatment of Contact Between Deformable Bodies. In S. Idelsohn, Onate, ... Dvorkin (Eds.), Proceedings of "World Congress on Computational Mechanics IV (pp. 19).
Peer reviewed
Ponthot, J.-P., & Belytschko, T. (1997). Arbitrary Lagrangian Eulerian Formulation for Element-Free Galerkin Method. In 4th National Congress on Theoretical & Applied Mechanics (pp. 123-126).
Peer reviewed
Hogge, M., & Ponthot, J.-P. (1996). Efficient Implicit Schemes for Transient Problems in Metal Forming Simulation. In Proc. of NUPHYMAT'96, Numerical and Physical Study of Material Forming Processe.
Ponthot, J.-P. (1995). Advances in Arbitrary Eulerian-Lagrangian Finite Element Simulation of Large Deformation Process. In fourth International Conference on Computational Plasticity (pp. 2361-2372).
Peer reviewed
Ponthot, J.-P. (1995). Radial Return Extensions for Visco-Plasticity and Lubricated Friction. In M. M. Rocha & J. D. Riera (Eds.), SMIRT-13 International Conference on Structural Mechanics and Reactor Technology (pp. 711-722).
Peer reviewed
Ponthot, J.-P. (1995). Traitement unifié de la Mécanique des Milieux Continus Solides en Grandes Transformations par la Méthode des Eléments Finis [Doctoral thesis, Collection des publications de la faculté des Sciences Appliquées N° 159 Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/5611
Bittencourt, E., Creus, G., Ponthot, J.-P., & Hogge, M. (1994). Tratamento do problema de contato e atrito tridimensional pelo método dos elementos finitos. In S. Idelsohn & V. Sonzogni, Proc. of Mécanica Computational (pp. 615-624).
Peer reviewed
Ponthot, J.-P. (1994). Sur les mérites relatifs des schémas explicites et implicites pour l'intégration temporelle des problèmes transitoires en grandes déformations. In Actes du 3° Colloque National Belge de Mécanique Théorique et Appliquée (pp. 318-322).
Ponthot, J.-P., & Hogge, M. (1994). On relative merits of Implicit/Explicit Algorithms for Transient Problems in Metal Forming Simulation. In Proc. of the Int. Conf. on Numerical Methods for Metal Forming in Industry (pp. 128-148).
Stainier, L., & Ponthot, J.-P. (1994). AN IMPROVED ONE-POINT INTEGRATION METHOD FOR LARGE-STRAIN ELASTOPLASTIC ANALYSIS. Computer Methods in Applied Mechanics and Engineering, 118 (1-2), 163-177. doi:10.1016/0045-7825(94)90111-2
In this paper, we present a new one-point integration method generalizing Flanagan and Belytschko...
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Hogge, M., Ponthot, J.-P., & Quoirin, D. (1993). METAFOR logiciel eulérien-lagrangien pour l'analyse non-linéaire, la mise à forme et les grandes déformations des matériaux. In Actes des Journées SAMCEF'93 (pp. 10).
Hogge, M., Ponthot, J.-P., Quoirin, D., Rozenvald, D., & Stainier, L. (1992). Apports d'une formulation eulérienne-lagrangienne pour la simulation des opérations de mise en forme des matériaux. In Actes du Congrès STRUCOME'92 (pp. 301-312).
Ponthot, J.-P. (1992). The Use of the Eulerian-Lagrangian FEM with Adaptive Mesh. Applications to Metal Forming Simulation. In Proceedings of Complas III, Computational Plasticity. Fundamentals and Applications (pp. 2269- 2282).
Peer reviewed
Ponthot, J.-P. (1992). The Use of the Eulerian-Lagrangian Formulation Including Contact. Applications to Forming Simulation via FEM. In Proceedings of NUMIFORM'92, Numerical. Methods. in Industrial Forming Processes.
Peer reviewed
Hogge, M., & Ponthot, J.-P. (1991). Metal Forming Analysis via Eulerian-Lagrangian FEM with Adaptive Mesh. Latin American Research Review, 21, 217-224.
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Hogge, M., Ponthot, J.-P., & Quoirin, D. (1991). METAFOR : Logiciel Eulérien-lagrangien pour l'analyse de la mise à forme et des grandes déformations de matériaux. In Proceedings of "New Advances in Computational Structural Mechanics (pp. 657-664).
Peer reviewed
Ponthot, J.-P. (1991). Eulerian-Lagrangian Treatment of Contact Problems. Application to Metal Forming Simulation via FEM. In Proceedings of "New Advances in Computational Structural Mechanics (pp. 445-452).
Peer reviewed
Ponthot, J.-P., & Hogge, M. (1991). The Use of the Eulerian-Lagrangian FEM in Metal Forming Applications Including Contact and Adaptive Mesh. In ASME Symposium on "Advances in Finite Deformation Problems in Material Processing and Structures", Winter Annual Meeting (pp. 44-64). Atlanta, United States: Chandra et al.
Peer reviewed
Ponthot, J.-P. (1990). Metal-Forming Simulation via Eulerian-Lagrangian FEM with Contact Problems. In Proc. of NUMETA'90, Numerical Meth. in Engineering: Theory & Applications (pp. 329-338).
Peer reviewed
Ponthot, J.-P. (1990). Treatment of Contact Problems in Metal Forming Simulation via Eulerian- Lagrangian FEM. In Actes du 2° Colloque Belge de Mécanique Théorique et Appliquée (pp. 272-275).
Peer reviewed
Ponthot, J.-P., & Hogge, M. (1990). A novel Treatment of Transition Problems in Metal Forming Simulation via Eulerian-Lagrangian Finite Element Modeling. In Proc. of the Second World Congress on Computational Mechanics (pp. 826-829).
Peer reviewed
Ponthot, J.-P., & Mincke, J. C. (1990). Mesh Updating in Eulerian-Lagrangian FEM for Large Deformation Analysis. In Actes du 2° Colloque Belge de Mécanique Théorique et Appliquée (pp. 264-267).
Peer reviewed
Ponthot, J.-P. (1989). Efficient mesh management in Eulerian-Lagrangian formulation. In Proceedings of NUMIFORM'89, Numerical Methods in Industrial Forming Processes (pp. 203-210).
Peer reviewed
Lilien, J.-L., & Ponthot, J.-P. (1988). Overhead lines galloping - Modelisation. Modeling and Simulation of Electrical Machines and Power Systems. In D. K. TRAN & J. Robert (Eds.), IMACS (pp. 103-110). Elsevier Science Publishers B.V.
Galloping of power lines is approached by a simple 3 DOF model (one loop).
Peer reviewed
Ponthot, J.-P. (1988). A Method to Reduce Cost of Mesh Deformation in Eulerian-Lagrangian Formulation. In Proceedings of EUROMECH 233: "Modeling of Metal Forming Processes (pp. 65-74).
Peer reviewed
Lilien, J.-L., & Ponthot, J.-P. (1987). Modelling the Phenomenon of Galloping in Overhead Lines. Revue de la Société Royale Belge des Electriciens, 103 (12), 5-19.
Peer reviewed