References of "Geuzaine, Christophe"
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See detailHigh-Quality Remeshing using Harmonic Maps
Geuzaine, Christophe ULg

Scientific conference (2010, March 30)

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See detailRefinement of Inductor Models via a Subproblem Finite Element Method
Dular, Patrick ULg; Ferreira da Luz, Mauricio V.; Kuo-Peng, Patrick et al

in Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010) (2010)

A sub-problem finite element method is developed for refining the inductor models in magnetic circuits. It applies electrokinetic, magnetostatic and magnetodynamic models on progressively more complicated ... [more ▼]

A sub-problem finite element method is developed for refining the inductor models in magnetic circuits. It applies electrokinetic, magnetostatic and magnetodynamic models on progressively more complicated geometries and different components of the solution, supported by different meshes. It allows an efficient and robust analyze of magnetic circuits in any frequency range, with an accurate calculation of Joule losses and forces in inductors. [less ▲]

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See detailFinite-Element Analysis of a Shielded Pulsed-Current Induction Heater -- Experimental Validation of a Time-Domain Thin-Shell Approach
V Sabariego, Ruth ULg; Sergeant, Peter; Gyselinck, Johan et al

in COMPEL (2010), 29(6), 1585-1595

Purpose – The aim of this paper is the experimental validation of an original time-domain thin-shell formulation. The numerical results of a three-dimensional thin-shell model are compared with the ... [more ▼]

Purpose – The aim of this paper is the experimental validation of an original time-domain thin-shell formulation. The numerical results of a three-dimensional thin-shell model are compared with the measurements performed on a heating device at different working frequencies. Design/methodology/approach – A time-domain extension of the classical frequency-domain thin-shell approach is used for the finite-element analysis of a shielded pulse-current induction heater. The time-domain interface conditions at the shell surface are expressed in terms of the average flux density vector in the shell, as well as in terms of a limited number of higher-order components. Findings – A very good agreement between measurements and simulations is observed. A clear advantage of the proposed thin-shell approach is that the mesh of the computation domain does not depend on the working frequency anymore. It provides a good compromise between computational cost and accuracy. Indeed, adding a sufficient number of induction components, a very high accuracy can be achieved. Originality/value – The method is based on the coupling of a time-domain 1D thin-shell model with a magnetic vector potential formulation via the surface integral term. A limited number of additional unknowns for the magnetic flux density are incorporated on the shell boundary. [less ▲]

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See detailMagnetic model refinement via a coupling of finite element subproblems
Dular, Patrick ULg; V Sabariego, Ruth ULg; Krähenbühl, Laurent et al

in Proceedings of Scientific Computing in Electrical Engineering (SCEE 2010) (2010)

Model refinements of magnetic circuits are performed via a subdomain finite element method. A complete problem is split into subproblems with overlap- ping meshes, to allow a progression from source to ... [more ▼]

Model refinements of magnetic circuits are performed via a subdomain finite element method. A complete problem is split into subproblems with overlap- ping meshes, to allow a progression from source to reaction fields, ideal to real flux tubes, 1-D to 3-D models, perfect to real materials, statics to dynamics, with any coupling of these changes. Its solution is then the sum of the subproblem solutions. The procedure simplifies both meshing and solving processes, and quantifies the gain given by each refinement on both local fields and global quantities. [less ▲]

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See detailIterative solution of high-frequency multiple-scattering problems using finite elements
Geuzaine, Christophe ULg; Vion, Alexandre ULg; V Sabariego, Ruth ULg

in Proceedings of the IVth European Conference on Computational Mechanics (ECCM 2010) (2010)

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See detailDual approach for an accurate estimation of pull-in voltage
Rochus, Véronique ULg; Lemaire, Etienne ULg; Geuzaine, Christophe ULg

in Proceedings of the IVth European Conference on Computational Mechanics (ECCM 2010) (2010)

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See detailMéthode de Galerkin discontinue appliqué à la diffusion non linéaire dans les supraconducteurs
Kameni Ntichi, Abelin ULg; Lambrechts, J.; Remacle, J.-F. et al

in Proceedings of the 40e Congrès National d'Analyse Numérique (CANUM 2010) (2010)

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See detailA model reduction algorithm for solving multiple scattering problems at high-frequencies
Geuzaine, Christophe ULg

in Proceedings of the Frontiers in Applied and Computational Mathematics (FACM '10) conference (2010)

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See detailHigh quality meshing with harmonic maps
Marchandise, E.; Remacle, J.-F.; Geuzaine, Christophe ULg

in Proceedings of the IVth European Conference on Computational Mechanics (ECCM 2010) (2010)

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See detailHigh-order stochastic integral equation scheme for wave scattering problems with random impedance boundary conditions
Geuzaine, Christophe ULg; Gaignaire, R.; Bruno, O.

in Proceedings of the IVth European Conference on Computational Mechanics (ECCM 2010) (2010)

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See detailQuality meshing of medical geometries with harmonic maps
Marchandise, E.; Remacle, J.-F.; Geuzaine, Christophe ULg

in Proceedings of CMBBE 2010 (2010)

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See detailTransformation Optics, Generalized Cloaking and Superlenses
Nicolet, A.; Zolla, F.; Geuzaine, Christophe ULg

in IEEE Transactions on Magnetics (2010), 46

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See detailHigh Quality Surface Remeshing Using Harmonic Maps. Surfaces with High Genus and of Large Aspect Ratio
Remacle, J.-F.; Geuzaine, Christophe ULg; Marchandise, E.

in 19th International Meshing Roundtable (2010)

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See detailComputational Methods for Multiple Scattering at High Frequency with Applications to Periodic Structure Calculations
Antoine, X.; Geuzaine, Christophe ULg; Ramdani, K.

in Ehrhardt, M. (Ed.) Wave Propagation in Periodic Media - Analysis, Numerical Techniques and practical Applications (2010)

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See detailHigh-Quality Surface Remeshing Using Harmonic Maps
Remacle, J.-F.; Geuzaine, Christophe ULg; Compère, G. et al

in International Journal for Numerical Methods in Engineering (2010), 83(4), 403-425

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See detailAdaptive Mesh Generation and Visualisation
Remacle, J.-F.; Geuzaine, Christophe ULg; Compère, J. et al

in Blockley, Richard; Shyy, Wei (Eds.) Encyclopedia of Aerospace Engineering (2010)

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See detailQuality meshing based on STL triangulations for biomedical simulations
Marchandise, E.; Compère, G.; Willemet, M. et al

in International Journal for Numerical Methods in Biomedical Engineering (2010), 26(7), 876-889

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See detailSurface-Impedance Boundary Conditions in Dual Time-Domain Finite-Element Formulations
V Sabariego, Ruth ULg; Dular, Patrick ULg; Geuzaine, Christophe ULg et al

in Proceedings of the 17th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2009 (2009, November)

This paper deals with time-domain surface-impedance boundary conditions in computational magnetodynamics considering both magnetic-vector potential and magnetic-field formulation. Based on the resolution ... [more ▼]

This paper deals with time-domain surface-impedance boundary conditions in computational magnetodynamics considering both magnetic-vector potential and magnetic-field formulation. Based on the resolution of the 1-D eddy-current problem in a semi-infinite slab, the massive conducting region is accounted for by choosing a number of exponentially decreasing trigonometric basis functions covering the relevant frequency range. Herein the method is elaborated for the magnetic-field formulation. Results for both formulations are compared and validated on a two-dimensional test case. [less ▲]

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See detailSome issues related to unstructured mesh generation
Compère, G.; Remacle, J.-F.; Marchandise, E. et al

in Proceedings of Current and New Trends in Scientific Computing, CMM-DIM 2009 (2009, October)

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See detailThree beneficiaries of project-oriented education in power electronics
Plumier, Frédéric ULg; Geuzaine, Christophe ULg

in Proceedings of the 13th European Conference on Power Electronics and Applications (2009, September)

Power Electronics education at the University of Liège exhibits a particular feature, in that a person from industry is directly involved in the teaching of the introductory Power Electronics course since ... [more ▼]

Power Electronics education at the University of Liège exhibits a particular feature, in that a person from industry is directly involved in the teaching of the introductory Power Electronics course since academic year 2007-2008. Together with him, we teach this subject making use of a project-oriented method. After two years of this experience, it is now of great interest to analyze the main benefits of this method for the students, the teaching team at the University and the company involved in the teaching process. In this paper we present through an example the method that is being used. We mention some interesting technical problems encountered by the students during their project work. We also present the evolution of the method from the first year of application in 2007-2008 to the forthcoming third year in 2009-2010. [less ▲]

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