References of "Geuzaine, Christophe"
     in
Bookmark and Share    
Peer Reviewed
See detailA dynamical model with hysteresis for the homogenization of ferromagnetic laminated cores
Henrotte, F.; Niyonzima, Innocent ULg; Steentjes, S. et al

in Proceedings of the 7th European Conference on Numerical Methods in Electromagnetism (NUMELEC2012) (2012, July)

Detailed reference viewed: 58 (15 ULg)
See detailLe monde à l'envers : résoudre des EDPs pour construire des maillages
Geuzaine, Christophe ULg

Scientific conference (2012, June 05)

Detailed reference viewed: 48 (4 ULg)
Peer Reviewed
See detailImproved Domain Decomposition Method for the Helmholtz Equation
Thierry, Bertrand ULg; Antoine, X.; Boubendir, Y. et al

in Proceedings of the 21th International Conference on Domain Decomposition Methods (DD21) (2012, June)

Detailed reference viewed: 39 (4 ULg)
Peer Reviewed
See detailCombining Full Transients and Phasor Approximation Models in Power System Time Simulation
Plumier, Frédéric ULg; Fabozzi, Davide ULg; Geuzaine, Christophe ULg et al

in Proceedings of the 21th International Conference on Domain Decomposition Methods (DD21) (2012, June)

Detailed reference viewed: 131 (29 ULg)
Full Text
Peer Reviewed
See detailOptimisation des PML dans des contextes discrets
Modave, Axel ULg; Delhez, Eric ULg; Geuzaine, Christophe ULg

Conference (2012, May 21)

Detailed reference viewed: 49 (8 ULg)
Full Text
Peer Reviewed
See detailImposing periodic boundary condition on arbitrary meshes by polynomial interpolation
Nguyen, Van Dung ULg; Béchet, Eric ULg; Geuzaine, Christophe ULg et al

in Computational Materials Science (2012), 55

In order to predict the effective properties of heterogeneous materials using the finite element approach, a boundary value problem (BVP) may be defined on a representative volume element (RVE) with ... [more ▼]

In order to predict the effective properties of heterogeneous materials using the finite element approach, a boundary value problem (BVP) may be defined on a representative volume element (RVE) with appropriate boundary conditions, among which periodic boundary condition is the most efficient in terms of convergence rate. The classical method to impose the periodic boundary condition requires the identical meshes on opposite RVE boundaries. This condition is not always easy to satisfy for arbitrary meshes. This work develops a new method based on polynomial interpolation that avoids the need of matching mesh condition on opposite RVE boundaries. [less ▲]

Detailed reference viewed: 557 (297 ULg)
See detailImproved Finite Element Solvers for the Helmholtz Equation at High Frequencies
Geuzaine, Christophe ULg

Scientific conference (2012, March 29)

Detailed reference viewed: 31 (2 ULg)
Peer Reviewed
See detailImproved Domain Decomposition Method for the Wave Equation in Harmonic Regime
Geuzaine, Christophe ULg; Antoine, X.; Boubendir, Y. et al

in Proceedings of the 6th Advanced Computational Electromagnetics workshop (ACE 2012) (2012, March)

Detailed reference viewed: 30 (2 ULg)
See detailDeux méthodes numériques pour la résolution de problèmes de diffraction multiple à haute fréquence
Antoine, X.; Boubendir, Y.; Geuzaine, Christophe ULg

Scientific conference (2012, February 10)

Detailed reference viewed: 15 (1 ULg)
Full Text
Peer Reviewed
See detailSubproblem Approach for Thin Shell Dual Finite Element Formulations
Dang, Quoc Vuong ULg; Dular, Patrick ULg; Vazquez Sabariego, Ruth ULg et al

in IEEE Transactions on Magnetics (2012), 48(2), 407-410

A subproblem technique is applied to dual thin shell finite element formulations. Both the magnetic vector potential and magnetic field formulations are considered. The subproblem approach developed ... [more ▼]

A subproblem technique is applied to dual thin shell finite element formulations. Both the magnetic vector potential and magnetic field formulations are considered. The subproblem approach developed herein couples three problems: a simplified model with only inductors, a thin region problem using approximate interface conditions and a correction problem to improve the accuracy of the thin shell approximation, in particular near their edges and corners. Each problem has its own geometry and is solved on its associated finite element mesh. [less ▲]

Detailed reference viewed: 69 (25 ULg)
Full Text
Peer Reviewed
See detailA Finite Element Subproblem Method for Position Change Conductor Systems
Dular, Patrick ULg; Krähenbühl, Laurent; Vazquez Sabariego, Ruth ULg et al

in IEEE Transactions on Magnetics (2012), 48(2), 403-406

Analyses of magnetic systems with position changes of both massive and stranded conductors are performed via a finite element sub- problem method. A complete problem is split into subproblems associated ... [more ▼]

Analyses of magnetic systems with position changes of both massive and stranded conductors are performed via a finite element sub- problem method. A complete problem is split into subproblems associated with each conductor and the magnetic regions. Each complete solution is then expressed as the sum of subproblem solutions supported by different meshes. The subproblem procedure simplifies both meshing and solving processes, with no need of remeshing, and accurately quantifies the effect of the position changes of conductors on both local fields, e.g., skin and proximity effects, and global quantities, e.g., inductances and forces. Applications covering parameterized analyses on conductor positions to moving conductor systems can benefit from the developed approach. [less ▲]

Detailed reference viewed: 32 (10 ULg)
Full Text
Peer Reviewed
See detailTime-domain surface impedance boundary conditions enhanced by coarse volume finite-element discretisation
Vazquez Sabariego, Ruth ULg; Geuzaine, Christophe ULg; Dular, Patrick ULg et al

in IEEE Transactions on Magnetics (2012), 48(2), 631-634

In computational magnetodynamics, surface impedance boundary conditions allow to accurately account for high-frequency flux components while removing the massive conducting regions from the computation ... [more ▼]

In computational magnetodynamics, surface impedance boundary conditions allow to accurately account for high-frequency flux components while removing the massive conducting regions from the computation domain. The time-domain approach previously proposed by the authors relies on the spatial discretisation of a 1-D eddy-current problem by means of dedicated basis functions derived from the analytical frequency-domain solution. In this paper, these time-domain impedance conditions are combined with a coarse volume finite-element discretisation of the massive conductors to capture slowly varying flux components. The accuracy of the hybrid approach can further be improved by introducing a fictitious frequency-dependent conductivity. The method is illustrated and validated by means of 1-D and 2-D test cases in the frequency and time domain. [less ▲]

Detailed reference viewed: 33 (4 ULg)
See detailImproved Domain Decomposition Method for the Helmholtz Equation"
Geuzaine, Christophe ULg; Antoine, X.; Boubendir, Y. et al

Scientific conference (2012, January 23)

Detailed reference viewed: 40 (2 ULg)
Full Text
Peer Reviewed
See detailOptimal parametrizations for surface remeshing
Marchandise, Emilie; Remacle, Jean-François; Geuzaine, Christophe ULg

in Engineering with Computers (2012)

Detailed reference viewed: 4 (0 ULg)
Full Text
Peer Reviewed
See detailQuality open source mesh generation for cardiovascular flow simulations
Marchandise, E.; Crosetto, P.; Geuzaine, Christophe ULg et al

in Ambrosi, D.; Quarteroni, A.; Rozza, G. (Eds.) Modelling Physiological Flow (2012)

Detailed reference viewed: 95 (3 ULg)
Full Text
Peer Reviewed
See detailComputation of induced fields into the human body by dual Finite Element formulations
Scorretti, R.; Vazquez Sabariego, Ruth ULg; Morel, L. et al

in IEEE Transactions on Magnetics (2012), 48(2), 783-786

Detailed reference viewed: 18 (5 ULg)
Full Text
Peer Reviewed
See detailStochastic uncertainty quantification of eddy currents in the human body by polynomial chaos decomposition
Gaignaire, R.; Scorretti, R.; Vazquez Sabariego, Ruth ULg et al

in IEEE Transactions on Magnetics (2012), 48(2), 451-454

Detailed reference viewed: 19 (11 ULg)
Full Text
Peer Reviewed
See detailDiscontinuous Galerkin Method for Computing Induced Fields in Superconducting Materials
Kameni, A.; Lambrechts, J.; Remacle, J.-F. et al

in IEEE Transactions on Magnetics (2012), 48(2), 591-594

Detailed reference viewed: 18 (4 ULg)
Full Text
Peer Reviewed
See detailElectro-Mechano-Fluidic Modelling of Microsystems using Finite Elements
Rochus, V.; Gutschmidt, S.; Cardona, A. et al

in IEEE Transactions on Magnetics (2012), 48(2), 355-358

Detailed reference viewed: 15 (3 ULg)
Full Text
Peer Reviewed
See detailFinite Element Computational Homogenization of Nonlinear Multiscale Materials in Magnetostatics
Niyonzima, Innocent ULg; V Sabariego, Ruth ULg; Dular, Patrick ULg et al

in IEEE Transactions on Magnetics (2012), 48(2), 587-590

The increasing use of composite materials in the technological industry (automotive, aerospace, ...) requires the development of effective models that account for the complexity of the microstructure of ... [more ▼]

The increasing use of composite materials in the technological industry (automotive, aerospace, ...) requires the development of effective models that account for the complexity of the microstructure of these materials and the nonlinear behaviour they can exhibit. In this paper we develop a multiscale computational homogenization method for modelling nonlinear multiscale materials in magnetostatics based on the finite element method. The method solves the macroscale problem by getting data from certain microscale problems around some points of interest. The missing nonlinear constitutive law at the macroscale level is derived through an upscaling from the microscale solutions. The downscaling step consists in imposing a source term and determining proper boundary conditions for microscale problems from the macroscale solution. For a two-dimensional geometry, results are validated by comparison with those obtained with a classical brute force finite element approach and a classical homogenization technique. The method provides a good overall macroscale response and more accurate local data around points of interest. [less ▲]

Detailed reference viewed: 109 (30 ULg)