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Patrick Dular - Publications ORBI
Guérin, C., Jacques, K., Vazquez Sabariego, R., Dular, P., Geuzaine, C., & Gyselinck, J. (2016, October). Using a Jiles‐Atherton vector hysteresis model for isotropic magnetic materials with the finite element method, Newton‐Raphson method, and relaxation procedure. International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 1-12.
Peer reviewed (verified by ORBi)
This paper deals with the use of a Jiles‐Ather ton vector hysteresis model included in 2D finite element modeling. The hysteresis model is only valid for isotropic materials. It is implemented with the vector ...
Dular, P., Kuo-Peng, P., Ferreira da Luz, M. V., & Krähenbühl, L. (2016). Progressive Current Source Models in Magnetic Vector Potential Finite-Element Formulations. IEEE Transactions on Magnetics, 52(3).
Peer reviewed (verified by ORBi)
Progressive refinements of the current sources in magnetic vector potential finite-element (FE) formulations are done with a subproblem method. The sources are first considered through magnetomotive force or ...
Ferrouillat, P., Guérin, C., Meunier, G., Ramdane, B., Dular, P., Labie, P., & Dupuy, D. (2016). Computation of Source for Non-Meshed Coils in a Reduced Domain with A–V Formulation. IEEE Transactions on Magnetics, 52(3).
Peer reviewed (verified by ORBi)
The discretized source magnetic vector potential Aj, projected from source field Hs with H(curl,Ω) semi-norm, is studied for non-meshed coils with magnetic vector potential A and electric scalar potential V ...
Gyselinck, J., Dular, P., Krähenbühl, L., & Sabariego, R. V. (2016). Finite-Element Homogenization of Laminated Iron Cores With Inclusion of Net Circulating Currents Due to Imperfect Insulation. IEEE Transactions on Magnetics, 52(3).
Peer reviewed (verified by ORBi)
This paper deals with the time-domain homogenization of laminated cores in 2-D or 3-D finite-element (FE) models of electromagnetic devices, allowing for net circulating current in the laminations (e.g., due ...
Halbach, A., Dular, P., & Geuzaine, C. (2016). Comparison of Nonlinear Domain Decomposition Schemes for Coupled Electromechanical Problems. IEEE Transactions on Magnetics, 52(3).
Peer reviewed (verified by ORBi)
The aim of this paper is to compare several domain decomposition schemes for nonlinear, coupled electromechanical problems. Both staggered and monolithic electrostatic/elastic formulations are considered for ...
Kuci, E., Henrotte, F., Duysinx, P., Dular, P., & Geuzaine, C. (2016). Design Sensitivity Analysis for Shape Optimization of Nonlinear Magnetostatic Systems. IEEE Transactions on Magnetics, 52(3).
Peer reviewed (verified by ORBi)
The paper discusses the sensitivity analysis for the shape optimization of a nonlinear magnetostatic system, evaluated both by direct and adjoint approaches. The calculations rely on the Lie derivative concept ...
Dular, P., Ferreira da Luz, M., Kuo-Peng, P., & Krähenbühl, L. (2015). Correction of homogenized lamination stacks via a subproblem finite element method. COMPEL, 34(5), 1553-1563.
Peer reviewed (verified by ORBi)
Purpose – The purpose of this paper is to develop a subproblem finite element method for progressive modeling of lamination stacks in magnetic cores, from homogenized solutions up to accurate eddy current ...
Dular, P., Kuo-Peng, P., Ferreira da Luz, M., & Krähenbühl, L. (2015). Model refinements of transformers via a subproblem finite element method. Proceedings of ISEF 2015.
Peer reviewed
A progressive modeling of transformers is performed via a subproblem finite element method. A complete problem is split into subproblems with different adapted overlapping meshes. Model refinements are ...
De Grève, Z., Dular, P., Sabariego, R. V., & Geuzaine, C. (2015). Finite element models for studying the capacitive behaviour of wound components. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
Finite element models of increasing accuracy are proposed for the study of the capacitive behaviour of wound magnetic components. Simple models, which are based on the classical assumption of a decoupling ...
Dular, P. (2015). Subproblem Methodology for Progressive Finite Element Modeling of Transformers. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
Model refinements of transformers are performed via a subproblem finite element method. A complete problem is split into subproblems with overlapping meshes, to allow a progressive modeling from ideal to real ...
Dular, P., Kuo-Peng, P., Ferreira da Luz, M., & Krähenbühl, L. (2015). Progressive Current Source Models in Magnetic Vector Potential Finite Element Formulations. Proceedings of COMPUMAG 2015.
Peer reviewed
Progressive refinements of the current sources in magnetic vector potential finite element formulations are done with a subproblem method. The sources are first considered via magnetomotive force or Biot ...
Dular, P., Kuo-Peng, P., Ferreira da Luz, M., & Krähenbühl, L. (2015). Wide range progressive inductor models in magnetic vector potential finite element formulations. Proceedings of NUMELEC 2015 (pp. 2).
Peer reviewed
Wide range progressive refinements of the inductors in magnetic vector potential finite element formulations are done with a subproblem method. Their current sources are first considered via magnetomotive ...
Ferrouillat, P., Guérin, C., Meunier, G., Ramdane, B., Dular, P., Labie, P., & Dupuy, D. (2015). Computation of Source for Non-Meshed Coils in a Reduced Domain with A–V Formulation. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
The discretized source magnetic vector potential Aj, interpolated from source field Hs with H(curl,Ω) semi-norm, is studied for non-meshed coils with magnetic vector potential A and electric scalar potential V ...
Ferrouillat, P., Guérin, C., Meunier, G., Ramdane, B., Dular, P., Labie, P., & Dupuy, D. (2015). Méthodes de calcul des sources pour des bobines non-maillées avec la formulation éléments finis A − V. Proceedings of NUMELEC 2015.
Peer reviewed
Dans cet article, différents calculs du champ électromagnétique source sont décrits pour la formulation éléments finis A − V avec des bobines non-maillées. Ces différents calculs sont appliqués sur ...
Guérin, C., Jacques, K., Sabariego, R. V., Dular, P., Geuzaine, C., & gyselinck, J. (2015). Using a vector Jiles-Atherton hysteresis model for isotropic magnetic materials with the FEM, Newton-Raphson method and relaxation procedure. Proceedings of NUMELEC 2015 (pp. 2).
Peer reviewed
This paper deals with the use of a vector Jiles- Atherton hysteresis model included in 2D finite element modelling. The Newton-Raphson algorithm is used with a relaxtion procedure, which ensures the ...
Gyselinck, J., Dular, P., Krähenbühl, L., & Sabariego, R. V. (2015). Time-domain finite-element homogenisation of laminated iron cores with net circulating currents. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
This paper deals with the time-domain homogenization of laminated cores in 2D or 3D finite element (FE) models of electromagnetic devices, in particular allowing for net circulating current in the laminations ...
Halbach, A., Dular, P., & Geuzaine, C. (2015). Comparison of Nonlinear Domain Decomposition Schemes for Coupled Electromechanical Problems. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
The aim of this paper is to compare several domain decomposition schemes for nonlinear, coupled electromechanical problems. Both staggered and monolithic electrostatic/elastic formulations are combined with an ...
Krähenbühl, L., Dular, P., Péron, V., Perrussel, R., Sabariego, R. V., & Poignard, C. (2015). Efficient Delta-Parametrization of 2D Surface-Impedance Solutions. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
Impedance boundary condition methods (IBCs) are among the most efficient methods for solving time-harmonic eddy-current problems with a small skin depth (delta). However for a wide range of frequencies (or ...
Krähenbühl, L., Dular, P., Péron, V., Perrussel, R., Sabariego, R. V., & Poignard, C. (2015). Impédances de surface en 2D : comparaison de méthodes de paramétrisation en δ. Proceedings of NUMELEC 2015 (pp. 2).
Peer reviewed
Les méthodes d’impédance de surface sont parmi les plus efficaces pour résoudre les problèmes de courants de Foucault à faible profondeur de pénétration (δ) en régime harmonique linéaire. Cependant ...
Kuci, E., Duysinx, P., Dular, P., & Geuzaine, C. (2015). Design Sensitivity Analysis for Shape Optimization of Nonlinear Magnetostatic Systems. Proceedings of COMPUMAG 2015 (pp. 2).
Peer reviewed
In this paper, a direct and an adjoint analytic sensitivity analysis for a nonlinear magnetostatic system is obtained, in the context of shape optimization for any design function. The calculations are based ...
Dular, P., Krähenbühl, L., Ferreira da Luz, M., Kuo-Peng, P., & Geuzaine, C. (2015). Progressive inductor modeling via a finite element subproblem method. COMPEL, 34(3), 851-863.
Peer reviewed (verified by ORBi)
Purpose – The purpose of this paper is to develop a subproblem method (SPM) for progressive modeling of inductors, with model refinements of both source conductors and magnetic cores. Design/methodology ...
De Grève, Z., Dular, P., Gyselinck, J., Geuzaine, C., Deblecker, O., & Lobry, J. (2015). Refinement of Homogenized Magnetodynamic Models of Wound Inductors Using Finite-Element Subproblems. IEEE Transactions on Magnetics, 51(3).
Peer reviewed (verified by ORBi)
In this paper, a methodology for refining the large-scale solutions obtained by 2-D magnetodynamic homogenized models of high-frequency inductor windings is proposed, based on the subproblem finite-element ...
De Grève, Z., Dular, P., Meunier, G., Geuzaine, C., Deblecker, O., & Lobry, J. (2015). Subproblem Finite-Element Refinement of Homogenized Dielectric Layers in Wound Inductors for Accurate Local Stresses Computation. IEEE Transactions on Magnetics, 51(3).
Peer reviewed (verified by ORBi)
Recently, a homogenized model in 2-D electrostatics has been proposed in order to avoid the meshing of the thin dielectric layers surrounding the conductors of transformers. The model performs a smoothing of ...
Dular, P., Le Menach, Y., Tang, Z., Creusé, E., & Piriou, F. (2015). Finite Element Mesh Adaptation Strategy From Residual and Hierarchical Error Estimators in Eddy Current Problems. IEEE Transactions on Magnetics, 51(3).
Peer reviewed (verified by ORBi)
A strategy of mesh adaptation in eddy current finite element modeling is developed from both residual and hierarchical error estimators. Wished distributions of element sizes of adapted meshes are determined ...
Dular, P., Péron, V., Krähenbühl, L., & Geuzaine, C. (2015). Subproblem Finite-Element Refinement of Inductors From Wire to Static and Dynamic Volume Models. IEEE Transactions on Magnetics, 51(3).
Peer reviewed (verified by ORBi)
Progressive refinements of inductors are done with a subproblem method, from their wire or filament representations with Biot–Savart models up to their volume finite-element models, from statics to dynamics ...
Dular, P., Ferreira da Luz, M., Kuo-Peng, P., & Bastos, J. P. A. (2014). Progressive Models of Current Sources for the Magnetic Vector Potential Finite Element Formulation. Proceedings of IGTE 2014 (pp. 2).
Peer reviewed
Progressive refinements of the current sources for the magnetic vector potential finite element formulation are done with a subproblem method. The sources are first considered via perfect magnetomotive force ...
Dular, P., Ferreira da Luz, M., Kuo-Peng, P., & Krähenbühl, L. (2014). Correction of Homogenized Lamination Stacks via a Subproblem Finite Element Method. Proceedings of IGTE 2014 (pp. 2).
Peer reviewed
A subproblem finite element method is developed for efficient modeling of lamination stacks in magnetic cores. Their homogenization is first performed followed by local corrections in certain thin regions ...
Dular, P., Ferreira da Luz, M., Kuo-Peng, P., & Krähenbühl, L. (2014). Progressive Source and Reaction Fields for Magnetodynamic Model Refinement via a Finite Element Subproblem Method. MOMAG 2014: 16o SBMO - Simpósio Brasi- leiro de Micro-ondas e Optoeletrônica e 11o CBMag - Congresso Brasileiro de Eletro- magnetismo (pp. 1-6).
Peer reviewed
Magnetodynamic models are split into a sequence of progressive finite element subproblems. The source fields generated by the active conductors alone are calculated at first via either finite elements or the ...
Dauge, M., Dular, P., Krähenbühl, L., Péron, V., Perrussel, R., & Poignard, C. (2014). Corner asymptotics of the magnetic potential in the eddy-current model. Mathematical Methods in the Applied Sciences, 37(13), 1924–1955.
Peer reviewed (verified by ORBi)
In this paper, we describe the scalar magnetic potential in the vicinity of a corner of a conducting body embedded in a dielectric medium in a bidimensional setting. We make explicit the corner asymptotic ...
Dular, P., Krähenbühl, L., & Geuzaine, C. (2014). Progressive inductor modeling via a finite element subproblem method. Proceedings of EPNC 2014 - Electromagnetic phenomena in nonlinear circuits (pp. 2).
Peer reviewed
The modeling of inductors is split into a sequence of progressive finite element subproblems. The source fields generated by the coil conductors alone, with a wire representation, are calculated at first via ...
Dular, P., Krähenbühl, L., & Geuzaine, C. (2014). Progressive inductor modeling via a finite element subproblem method. Proceedings of EPNC 2014 - Electromagnetic phenomena in nonlinear circuits (pp. 2).
Peer reviewed
The modeling of inductors is split into a sequence of progressive finite element subproblems. The source fields generated by the coil conductors alone, with a wire representation, are calculated at first via ...
Wang, Z., Henneron, T., Dular, P., Mipo, J.-C., & Piriou, F. (2014). Comparison of implementation techniques for Galerkin projection between different meshes. International Journal of Numerical Modeling: Electronic Networks, Devices and Fields, 27(3), 517-526.
Peer reviewed (verified by ORBi)
To solve multiphysics problems, weak coupling of finite element calculations can be carried out: the subproblems of which the physical nature differs are solved separately on their own meshes. In this case ...
Nshimiyimana, J. D. D., Plumier, F., Dular, P., & Geuzaine, C. (2014). Optimized Waveform Relaxation Methods for Modeling Electromagnetic Field-Circuit Problems. Proceedings of Sixteenth Biennal IEEE Conference on Electromagnetic Field Computation.
Peer reviewed
The convergence of classical and optimized waveform relaxation methods is compared for the simulation of field-circuit problems, where a finite element solver is used for the solution of the field problem and ...
Dular, P., Péron, V., Perrussel, R., Krähenbühl, L., & Geuzaine, C. (2014). Perfect Conductor and Impedance Boundary Condition Corrections via a Finite Element Subproblem Method. IEEE Transactions on Magnetics, 50(2).
Peer reviewed (verified by ORBi)
A finite element subproblem method is developed to correct the inaccuracies proper to perfect conductor and impedance boundary condition models, particularly near edges and corners of the conductors, for a ...
Dular, P., Tang, Z., Le Ménach, Y., Creusé, E., & Piriou, F. (2014). Comparison of Residual and Hierarchical Finite Element Error Estimators in Eddy Current Problems. IEEE Transactions on Magnetics, 50(2).
Peer reviewed (verified by ORBi)
The finite element computation of eddy current problems introduces numerical error. This error can only be estimated. Among all error estimators (EEs) already developed, two estimators, called residual and ...
Ferreira da Luz, M. V., Dular, P., Vianei Leite, J., & Kuo-Peng, P. (2014). Modeling of Transformer Core Joints via a Subproblem FEM and a Homogenization Technique. IEEE Transactions on Magnetics, 50(2).
Peer reviewed (verified by ORBi)
A subproblem finite element method is developed for modeling the transformer core joints. It applies magnetostatic and magnetodynamic models on progressive geometries and different components of the solution ...
Niyonzima, I., Sabariego, R. V., Dular, P., & Geuzaine, C. (2014). Nonlinear Computational Homogenization Method for the Evaluation of Eddy Currents in Soft Magnetic Composites. IEEE Transactions on Magnetics, 50(02).
Peer reviewed (verified by ORBi)
In this paper, a heterogeneous multiscale method technique is applied to model the behavior of electromagnetic fields in soft magnetic composites (SMC). Two problems are derived from the two-scale ...
Dular, P., Péron, V., Krähenbühl, L., & Geuzaine, C. (2014). Progressive eddy current modeling via a finite element subproblem method. International Journal of Applied Electromagnetics and Mechanics, 46, 341–348.
Peer reviewed (verified by ORBi)
The modeling of eddy currents in conductors is split into a sequence of progressive finite element subproblems. The source fields generated by the inductors alone are calculated at first via either the Biot ...
Kuci, E., Geuzaine, C., Dular, P., & Duysinx, P. (2014). Shape Optimization of Interior Permanent Magnet Motor for Torque Ripple Reduction. Proceedings of The 4th International Conference on Engineering Optimization: Lisbon (Portugal), 8-11 September 2014.
Peer reviewed
The objective of the paper is to present an open source environment to perform the design, simulation (Gmsh, GetDP) and optimization (OpenOpt) of electrical machines. The design of the permanent magnets of a ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2013). Subproblem Approach for Modeling Multiply Connected Thin Regions with an h-Conformal Magnetodynamic Finite Element Formulation. European Physical Journal : Applied physics, 64(2), 24516-1-7.
Peer reviewed (verified by ORBi)
A subproblem h-conformal eddy current nite element method is proposed for correcting the inaccuracies inherent to thin shell models. Such models replace volume thin regions by surfaces but neglect border e ...
Niyonzima, I., Sabariego, R. V., Dular, P., & Geuzaine, C. (2013). Nonlinear Computational Homogenization Method for the Evaluation of Eddy Currents in Soft Magnetic Composites. Proceedings of the 19th Conference on the Computation of Electromagnetic Fields (COMPUMAG2013).
Peer reviewed
In this paper, a heterogeneous multiscale method (HMM) technique is applied to model the behaviour of electromagnetic fields in soft magnetic composites (SMC). Two problems are derived from the two-scale ...
Niyonzima, I., V Sabariego, R., Dular, P., Henrotte, F., & Geuzaine, C. (2013). Computational Homogenization for Laminated Ferromagnetic Cores in Magnetodynamics. IEEE Transactions on Magnetics, 49(5), 2049-2052.
Peer reviewed (verified by ORBi)
In this paper, we investigate the modeling of ferromagnetic multiscale materials. We propose a computational homogenization technique based on the heterogeneous multiscale method (HMM) that includes both eddy ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., Laurent, K., & Geuzaine, C. (2013). Subproblem h-Conform Formulation for Accurate Thin Shell Models Between Conducting and Nonconducting Regions. Proceeding of the 9th International Symposium on Electric and Magnetic Fields, EMF 2013.
Peer reviewed
A subproblem method (SPM) with h-formulation is developed for correcting the inaccuracies near edges and corners that arise from using thin shell (TS) models to replace thin volume regions by surfaces. The ...
Niyonzima, I., Vazquez Sabariego, R., Dular, P., & Geuzaine, C. (2013). A Computational Homogenization Method for the Evaluation of Eddy Current in Nonlinear Soft Magnetic Composites. Proceeding of the 9th International Symposium on Electric and Magnetic Fields, EMF 2013.
Peer reviewed
The use of the soft magnetic composite (SMC) in electric devices has increased in recent years. These materials made from a metallic powder compacted with a dielectric binder are a good alternative to ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., Laurent, K., & Geuzaine, C. (2013). Dual Formulations for Accurate Thin Shell Models in a Finite Element Subproblem Method. Proceeding of the 19th COMPUMAG Conference on the Computation of Electromagnetic Fields, 2013.
Peer reviewed
A subproblem finite with dual finite element magnetostatic and magnetodynamic formulations is developed for correcting the inaccuracies near edges and corners coming from thin shell models, that replace ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., & Krähenbühl, L. (2012). Accurate h-Conform Finite Element Model of Multiply Connected Thin Regions via a Subproblem Method. Proceedings of the 15th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2012).
Peer reviewed
A subproblem method for solving eddy current finite element is developed to correct the inaccuracies near edges and corners arising from thin shell models. Such models replace thin volume regions by surfaces ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., Krahenbuhl, L., & Geuzaine, C. (2012). Subproblem h-Conform Magnetodynamic Finite Element Formulation for Accurate Model of Multiply Connected Thin Regions. Proceedings of the 7th European Conference on Numerical Methods in Electromagnetism (NUMELEC 2012) (pp. 72-73).
Peer reviewed
A subproblem $\vh$-conform eddy current finite element method is proposed for correcting the inaccuracies inherent to thin shell models. Such models replace volume thin regions by surfaces but neglect border ...
Niyonzima, I., Vazquez Sabariego, R., Dular, P., Henrotte, F., & Geuzaine, C. (2012). Multiscale Quasistatic Homogenization for Laminated Ferromagnetic Cores. Proceedings of the 7th European Conference on Numerical Methods in Electromagnetism (NUMELEC 2012) (pp. 40-41).
Peer reviewed
In this paper, we investigate the modeling of ferromagnetic multiscale materials. We propose a computational homogenization method based on the heterogeneous multiscale method (HMM) with inclusion of a ...
Buret, F., Dauge, M., Dular, P., Krähenbühl, L., Péron, V., Perrussel, R., Poignard, C., & Voyer, D. (2012). Eddy Currents and Corner Singularities. IEEE Transactions on Magnetics, 48(2), 679-682.
Peer reviewed (verified by ORBi)
Eddy current problems are addressed in a bidimensional setting where the conducting medium is non-magnetic and has a corner singularity. For any fixed parameter linked to the skin depth for a plane interface ...
Dang, Q. V., Dular, P., Vazquez Sabariego, R., Krahenbuhl, L., & Geuzaine, C. (2012). Subproblem Approach for Thin Shell Dual Finite Element Formulations. IEEE Transactions on Magnetics, 48(2), 407-410.
Peer reviewed (verified by ORBi)
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 ...
Dular, P., Krähenbühl, L., Vazquez Sabariego, R., V. Ferreira da Luz, M., Kuo-Peng, P., & Geuzaine, C. (2012). A Finite Element Subproblem Method for Position Change Conductor Systems. IEEE Transactions on Magnetics, 48(2), 403-406.
Peer reviewed (verified by ORBi)
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 ...
Vazquez Sabariego, R., Geuzaine, C., Dular, P., & Gyselinck, J. (2012). Time-domain surface impedance boundary conditions enhanced by coarse volume finite-element discretisation. IEEE Transactions on Magnetics, 48(2), 631-634.
Peer reviewed (verified by ORBi)
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 ...
Dular, P., Vazquez Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2012). Magnetic Model Refinement via a Coupling of Finite Element Subproblems. Scientific Computing in Electrical Engineering (pp. 137-141). Berlin Heidelberg, Germany: Springer-Verlag.
Peer reviewed
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 ...
Niyonzima, I., V Sabariego, R., Dular, P., & Geuzaine, C. (2012). Finite Element Computational Homogenization of Nonlinear Multiscale Materials in Magnetostatics. IEEE Transactions on Magnetics, 48(2), 587-590.
Peer reviewed (verified by ORBi)
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 ...
Dular, P., Ferreira da Luz, M. V., Kuo-Peng, P., Vazquez Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2011). Subproblem finite element method for magnetic model refinements. Proceedings of the XV International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF2011).
Peer reviewed
Model refinements of magnetic circuits are performed via a subproblem finite element method. A complete problem is split into subproblems with overlapping meshes, to allow a progression from source to reaction ...
V.Ferreira da Luz, M., Dular, P., Dang, Q. V., & Kuo-Peng, P. (2011). Evaluation of Eddy Losses Due to High Current Leads in Transformers Using a Subproblem Method. ISEF 2011 - XV International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF2011 ).
Peer reviewed
A subproblem finite element method is developed for evaluating the eddy losses due to high current leads in transformers. The structural component of the transformer is modeled with classical volumetric ...
Buret, F., Dauge, M., Dular, P., Krähenbühl, L., Péron, V., Perrussel, R., Poignard, C., & Voyer, D. (2011). 2D electrostatic problems with rounded corners. 18th Conference on the Computation of Electromagnetic Fields (COMPUMAG2011).
Peer reviewed
The second order terms of a multiscale expansion for dealing with rounded corners in 2D electrostatic problems are studied. The heuristics and the sequence of problems to be solved are presented and finite ...
Buret, F., Dauge, M., Dular, P., Krähenbühl, L., Péron, V., Perrussel, R., Poignard, C., & Voyer, D. (2011). Eddy currents and corner singularities. 18th Conference on the Computation of Electromagnetic Fields (COMPUMAG2011).
Peer reviewed
The eddy current problem is addressed in this paper, in a bidimensional setting where the conducting medium is non- magnetic and has a corner singularity. For any fixed skin depth we describe the behaviour of ...
Dang, Q. V., Dular, P., V Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2011). Subproblem Approach for Thin Shell Dual Finite Element Formulations. Proceedings of the 18th Conference on the Computation of Electromagnetic Fields (COMPUMAG2011).
Peer reviewed
A subproblem technique is applied on dual formu- lations to the solution of thin shell finite element models. Both the magnetic vector potential and magnetic field formulations are considered. The subproblem ...
Dular, P., Krähenbühl, L., V Sabariego, R., Ferreira da Luz, M. V., Kuo-Peng, P., & Geuzaine, C. (2011, July). A Finite Element Subproblem Method for Position Change Conductor Systems.
Peer reviewed
Analyses of magnetic circuits with position changes of both massive and stranded conductors are performed via a finite element subproblem method. A complete problem is split into subproblems associated with ...
Ferreira da Luz, M. V., Dular, P., Leite, J. V., & Kuo-Peng, P. (2011). Modeling of a Power Transformer Using the Perturbation Finite Element Method. 18th Conference on the Computation of Electromagnetic Fields (COMPUMAG2011).
Peer reviewed
In this paper the perturbation technique is developed for modeling a power transformer. The paper analyses the influence of frames on the magnetic field behaviour and on the core losses calculation. Two types ...
Krähenbühl, L., Buret, F., Perrussel, R., Voyer, D., Dular, P., Péron, V., & Poignard, C. (2011). Numerical treatment of rounded and sharp corners in the modeling of 2D electrostatic fields. Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 10(1), 66-81.
Peer reviewed
This work deals with numerical techniques to compute electrostatic fields in devices with rounded corners in 2D situations. The approach leads to the solution of two problems: one on the device where rounded ...
Dular, P., Dang, Q. V., Vazquez Sabariego, R., Krahenbuhl, L., & Geuzaine, C. (2011). Correction of Thin Shell Finite Element Magnetic Models via a Subproblem Method. IEEE Transactions on Magnetics, 47(5), 1158-1161.
Peer reviewed (verified by ORBi)
A subproblem finite-element method is developed for correcting the inaccuracies near edges and corners inherent to thin shell models, for both magnetostatic and magnetodynamic problems. A thin shell solution ...
Dular, P., Krähenbühl, L., V Sabariego, R., Ferreira da Luz, M. V., Kuo-Peng, P., & Geuzaine, C. (2011). Refinement of Non-Linear Magnetic Models via a Finite Element Subproblem Method.
Peer reviewed
Model refinements of non-linear magnetic circuits are performed via a finite element subproblem method. A com- plete problem is split into subproblems to allow a progression from 1-D to 3-D including linear to ...
Niyonzima, I., V Sabariego, R., Dular, P., & Geuzaine, C. (2011). Finite Element Computational Homogenization of Nonlinear Multiscale Materials in Magnetostatics. 18th Conference on the Computation of Electromagnetic Fields (COMPUMAG2011).
Peer reviewed
This paper deals with the modelling of nonlinear multiscale materials in magnetostatics by means of a finite element computational homogenization method. The method couples a macroscale problem with many ...
V Sabariego, R., Geuzaine, C., Dular, P., & Gyselinck, J. (2011). Time-Domain Surface Impedance Boundary Conditions Enhanced by Coarse Volume Finite-Element Discretisation.
Peer reviewed
The time-domain surface impedance boundary conditions allow to accurately account for the high-frequency flux components while removing the massive conducting regions from the computation domain. In this paper ...
Codecasa, L., Dular, P., Specogna, R., & Trevisan, F. (2010). A perturbation method for the T-Ω geometric eddy-current formulation. IEEE Transactions on Magnetics, 46(8), 3045-3048.
Peer reviewed (verified by ORBi)
A perturbation method for the T-Ω geometric formulation to solve eddy-current problems is introduced. The proposed formulation is applied to the feasibility design of a nondestructive evaluation device ...
Codecasa, L., Dular, P., Specogna, R., & Trevisan, F. (2010). Time-domain geometric eddy-current A formulation for hexahedral grids. IEEE Transactions on Magnetics, 46(8), 3301-3304.
Peer reviewed (verified by ORBi)
The aim of this paper is to present a 3-D time-domain eddy-current A formulation based on the discrete geometric approach (DGA) over unstructured and nonorthogonal hexahedral dual grids. The resulting ...
Dular, P., V Sabariego, R., Geuzaine, C., Luz, M. V. F. D., Kuo-Peng, P., & Krähenbühl, L. (2010). Finite Element Magnetic Models via a Coupling of Subproblems of Lower Dimensions. IEEE Transactions on Magnetics, 46(8), 2827-2830.
Peer reviewed (verified by ORBi)
Model refinements of magnetic circuits are performed via a subdomain finite element method based on a perturbation technique. A complete problem is split into subproblems, some of lower dimensions, to allow a ...
Ferreira da Luz, M. V., Dular, P., V Sabariego, R., Kuo-Peng, P., & Batistela, N. J. (2010). Electrokinetic Model Refinement Via a Perturbation Finite-Element Method—From 2-D to 3-D. IEEE Transactions on Magnetics, 46(8), 2839-2842.
Peer reviewed (verified by ORBi)
A method for increasing the contact area of a grounding system with the earth is the installation of counterpoise wires. Counterpoise wires improve the reliability of overhead power transmission lines. They ...
Gaignaire, R., Crevecoeur, G., Dupré, L., V Sabariego, R., Dular, P., & Geuzaine, C. (2010). Stochastic Uncertainty Quantification of the Conductivity in EEG Source Analysis by Using Polynomial Chaos Decomposition. IEEE Transactions on Magnetics, 46(8), 3457-3460.
Peer reviewed (verified by ORBi)
The electroencephalogram (EEG) is one of the techniques used for the non-invasive diagnosis of patients suffering from epilepsy. EEG source localization identifies the neural activity, starting from measured ...
Geuzaine, C., Vion, A., Gaignaire, R., Dular, P., & V Sabariego, R. (2010). An Amplitude Finite Element Formulation for Multiple-Scattering by a Collection of Convex Obstacles. IEEE Transactions on Magnetics, 46(8), 2963-2966.
Peer reviewed (verified by ORBi)
We present a multiple-scattering solver for nonconvex geometries obtained as the union of a finite number of convex obstacles. The algorithm is a finite element reformulation of a high-frequency integral ...
Gyselinck, J., Dular, P., Sadowski, N., Kuo-Peng, P., & V Sabariego, R. (2010). Homogenization of form- wound windings in finite element modelling of electrical machines. IEEE Transactions on Magnetics, 46(8), 2852-2855.
Peer reviewed (verified by ORBi)
In this paper, the authors deal with the finite-element (FE) modeling of eddy-current effects in form-wound windings of electrical machines using a previously proposed general frequency- and time-domain ...
V Sabariego, R., Dular, P., Geuzaine, C., & Gyselinck, J. (2010). Surface-Impedance Boundary Conditions in Dual Time-Domain Finite-Element Formulations. IEEE Transactions on Magnetics, 46(8), 3524-3531.
Peer reviewed (verified by ORBi)
This paper deals with time-domain surface-impedance boundary conditions in computational magnetodynamics considering two dual finite-element formulations and a nonlinear magnetic constitutive law. Based on the ...
Dular, P., V Sabariego, R., Gyselinck, J., Krähenbühl, L., & Geuzaine, C. (2010). Non-linear magnetic model refinement via a finite element subproblem method. Proceedings of the XXI Symposium on Electromagnetic Phenomena in Nonlinear Circuits (EPNC 2010) (pp. 39-40).
Peer reviewed
Model refinements of non-linear magnetic circuits are performed via a finite element subproblem method. A complete problem is split into subproblems to allow a progression from 1- D to 3-D including linear to ...
De Grève, Z., Deblecker, O., Lobry, J., V Sabariego, R., Dular, P., & Geuzaine, C. (2010). Analyzing and Reducing Error in 2-D Frequency Domain Homogenization of Windings for R, L Parameters FE Computation. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010). Chicago, USA.
Peer reviewed
In this work, the error made by frequency domain homogenization of windings in 2-D magnetodynamics is quantified. To that end, the homogenized fields are combined with the analytical solutions (a) of eddy ...
Dular, P., Dang, Q. V., V Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2010). Correction of Thin Shell Finite Element Magnetic Models via a Subproblem Method. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010).
Peer reviewed
A sub-problem finite element method is developed for correcting the inaccuracies near edges and corners inherent to thin shell models, for both magnetostatic and magnetodynamic problems. A thin shell solution ...
Gyselinck, J., Dular, P., Geuzaine, C., & V Sabariego, R. (2010). Combining Surface Impedance Boundary Conditions with Volume Discretisation in Time-Domain Finite-Element Modeling. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010).
Peer reviewed
In this paper a hybrid approach for considering massive conducting regions in time-domain finite-element modeling is presented. Surface impedance boundary conditions, developed in the time domain as ...
Lilien, J.-L., Dular, P., V Sabariego, R., Beauvois, V., Barbier, P.-P., & lorphèvre, R. (2010). Effets sur les êtres humains des champs électromagnétiques à très basse fréquence. REE : Revue de l'Electricité et de l'Electronique, 5, 1-12.
Peer reviewed
Depuis le début des années 70, le risque potentiel sur la santé lié à l’exposition aux champs électromagnétiques dit à extrêmement basse fréquence a été largement abordé par la littérature scientifique (plus ...
Codecasa, L., Dular, P., Specogna, R., & Trevisan, F. (2010). A non-destructive testing application solved with A-X geometric eddy-current formulation. COMPEL, 29(6), 1606-1615.
Peer reviewed (verified by ORBi)
Purpose – The purpose of this paper is to introduce a perturbation method for the A-X geometric formulation to solve eddy-current problems and apply it to the feasibility design of a non-destructive evaluation ...
Dular, P., Ferreira da Luz, M. V., Kuo-Peng, P., V Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2010). Refinement of Inductor Models via a Subproblem Finite Element Method. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010).
Peer reviewed
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 ...
Dular, P., V Sabariego, R., Krähenbühl, L., & Geuzaine, C. (2010). Magnetic model refinement via a coupling of finite element subproblems. Proceedings of Scientific Computing in Electrical Engineering (SCEE 2010).
Peer reviewed
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 ...
Ferreira da Luz, M. V., Dular, P., V Sabariego, R., & Kuo-Peng, P. (2010). Modeling of a Magnetic Shunt and an Aluminum Screen Using the Perturbation Finite Element Method. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010). IEEE.
Peer reviewed
In this paper the perturbation technique is developed for modeling of the magnetic shunt and an aluminum screen in large power transformers. The problem is first studied using either a simplified analytical or ...
Ferreira da Luz, M. V., Dular, P., V Sabariego, R., & Kuo-Peng, P. (2010). Modeling of a Magnetic Shunt and an Aluminum Screen Using the Perturbation Finite Element Method. Proceedings of the 14th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC2010). IEEE.
Peer reviewed
In this paper the perturbation technique is developed for modeling of the magnetic shunt and an aluminum screen in large power transformers. The problem is first studied using either a simplified analytical or ...
V Sabariego, R., Sergeant, P., Gyselinck, J., Dular, P., Dupré, L., & Geuzaine, C. (2010). Finite-Element Analysis of a Shielded Pulsed-Current Induction Heater -- Experimental Validation of a Time-Domain Thin-Shell Approach. COMPEL, 29(6), 1585-1595.
Peer reviewed (verified by ORBi)
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 ...
V Sabariego, R., Dular, P., Geuzaine, C., & Gyselinck, J. (2009). Surface-Impedance Boundary Conditions in Dual Time-Domain Finite-Element Formulations. Proceedings of the 17th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2009. Florianopolis, Brazil.
Peer reviewed
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 ...
Lousberg, G., Ausloos, M., Geuzaine, C., Dular, P., Vanderbemden, P., & Vanderheyden, B. (2009). Numerical simulation of the magnetization of high-temperature superconductors: a 3D finite element method using a single time-step iteration. Superconductor Science and Technology, 22, 055005.
Peer reviewed (verified by ORBi)
In this paper, we report progress towards a 3D finite element model for the magnetization of a high-temperature superconductor (HTS): we suggest a method that takes into account a power law conductivity and ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2009). Electrostatic Analysis of Moving Conductors Using a Perturbation Finite Element Method. IEEE Transactions on Magnetics, 45(3), 1004-1007.
Peer reviewed (verified by ORBi)
This paper deals with the analysis of electrostatic problems involving moving devices by means of a perturbation finite element method. A reference problem without any moving parts is first solved and gives ...
Dular, P. (2009). A Posteriori Error Estimation of Finite Element Solutions via the Direct Use of Higher Order Hierarchal Test Functions. IEEE Transactions on Magnetics, 45(3), 1360-1363.
Peer reviewed (verified by ORBi)
An a posteriori error estimation of finite element solutions based on the lack of fulfillment of weak formulations is developed and applied to low frequency electromagnetic problems. The error is quantified ...
Dular, P. (2009, March). Subproblem finite element solutions for efficient repetitive analyses of low frequency electromagnetic systems.
Peer reviewed
Repetitive finite element (FE) computations are needed when studying variations of geometrical and physical characteristics, which is the case for, e.g., parameterized analyses, optimisation, movement ...
Dular, P., V Sabariego, R., Ferreira da Luz, M. V., Kuo-Peng, P., & Krähenbühl, L. (2009). Perturbation Finite Element Method for Magnetic Model Refinement of Air Gaps and Leakage Fluxes. IEEE Transactions on Magnetics, 45(3), 1400-1403.
Peer reviewed (verified by ORBi)
Model refinements of magnetic circuits are performed via a subproblem finite element method based on a perturbation technique. An approximate problem considering ideal flux tubes and simplified air-gap models ...
Gyselinck, J., Geuzaine, C., Dular, P., & V Sabariego, R. (2009). Surface-impedance boundary conditions in time-domain finite-element calculations. IEEE Transactions on Magnetics, 45(3), 1280-1283.
Peer reviewed (verified by ORBi)
The authors propose a novel time-domain extension of the well-known frequency-domain surface-impedance method in computational magnetodynamics. Herein, the 1-D eddy-current problem in a massive conducting ...
Parent, G., Dular, P., Piriou, F., & Abakar, A. (2009). Accurate Projection of Source Quantities in Coupled Finite Element Problems. IEEE Transactions on Magnetics, 45(3), 1132-1135.
Peer reviewed (verified by ORBi)
Projecting discrete quantities from one mesh to another one is a critical operation which is usually required in multiphysical problems. The efficiency of a Galerkin projection method is studied for ...
V Sabariego, R., Geuzaine, C., Dular, P., & Gyselinck, J. (2009). Nonlinear time-domain finite-element modeling of thin electromagnetic shells. IEEE Transactions on Magnetics, 45(3), 976-979.
Peer reviewed (verified by ORBi)
A nonlinear time-domain extension of the classical linear frequency-domain thin-shell approach is presented. The interface conditions are expressed in terms of the average magnetic flux density throughout the ...
Dular, P., V Sabariego, R., & Krähenbühl, L. (2009). Magnetic model refinement via a perturbation finite element method – from 1D to 3D. COMPEL, 28(4), 974-988.
Peer reviewed (verified by ORBi)
Purpose – The purpose of this paper is to develop a sub-domain perturbation technique for refining magnetic circuit models with finite element (FE) models of different dimensions. Design/methodology/approach – ...
Gyselinck, J., Dular, P., Geuzaine, C., & V Sabariego, R. (2009). Direct Inclusion of Proximity-Effect Losses in Two-Dimensional Time-Domain Finite-Element Simulation of Electrical Machines. Proceedings of the 8th International Symposium on Electric and Magnetic Fields (EMF2009). Mondovi, Italy.
Peer reviewed
This paper deals with eddy-current effects in the distributed winding of electrical machines, and in particular with the proximity effect and the associated losses. A previously proposed homogenization method ...
Lilien, J.-L., Dular, P., V Sabariego, R., Beauvois, V., & Barbier, P.-P. (2009). Effects of extremely low frequency electromagnetic fields (ELF) on human beings. International Colloquium on Power frequency electromagnetic fields ELF EMF, Sarajevo, Bosnia and Herzegovina (pp. 11).
Peer reviewed
A rough overview of typical values of ELF fields will be presented followed by a brief literature survey on childhood leukaemia and ELF. The potential carcinogenic effect of ELF would be linked to electrical ...
V Sabariego, R., Sergeant, P., Gyselink, J., Dular, P., Dupré, L., & Geuzaine, C. (2009). Finite-Element Analysis of a Shielded Pulsed-Current Induction Heater-- Experimental Validation of a Time-Domain Thin-Shell Approach. Proceedings of the 8th International Symposium on Electric and Magnetic Fields (EMF2009). Mondovi, Italy.
Peer reviewed
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 ...
Lorphèvre, R., Dular, P., V Sabariego, R., Beauvois, V., Barbier, P.-P., & Lilien, J.-L. (2008). Modélisation numérique des courants et tensions de contact dans des habitations. Actes de 6ème conférence européenne sur les méthodes numériques en électromagnétisme (NUMELEC 2008).
Peer reviewed
Un modèle d’installation électrique d’habitation avec une ligne à haute tension est développé avec la méthode "Partial Element Equivalent" (PEEC). Cette étude a pour but de déterminer l’existence des courants ...
Dular, P., V Sabariego, R., Ferreira da Luz, M., Kuo-Peng, P., & Krähenbühl, L. (2008). Perturbation finite-element method for magnetic circuits. IET Science, Measurement & Technology, 2(6), 440-446.
Peer reviewed (verified by ORBi)
Accurate magnetic flux distributions are calculated in magnetic circuits via a subproblem finite-element (FE) method based on a perturbation technique. An approximate FE problem considering ideal flux tubes is ...
V Sabariego, R., Geuzaine, C., Dular, P., & Gyselinck, J. (2008). h- and a-Formulations for the Time-Domain Modelling of Thin Electromagnetic Shells. IET Science, Measurement & Technology, 2(6), 402-408.
Peer reviewed (verified by ORBi)
Thin conductive magnetic shells are accounted for by means of two different time-domain magnetodynamic finite-element formulations, namely the magnetic field formulation and the magnetic vector potential ...
Dular, P., & Piriou, F. (2008). Chapter 2: Static formulations : electrostatic, electrokinetic, magnetostatics. In G., Meunier (Ed.), The Finite Element Method for Electromagnetic Modeling (pp. 69-116). UK-USA: ISTE-Wiley.
Peer reviewed
Written by specialists in the modeling of electromagnetism, this book provides a comprehensive review of the finite element method for low frequency applications. Fundamentals of the method as well as new ...
Dular, P., V Sabariego, R., & Krähenbühl, L. (2008). Perturbation Finite Element Method for Magnetostatic and Magnetodynamic Problems. Proceedings of MOMAG2008.
Peer reviewed
Magnetic flux distributions are calculated in magnetostatic and magnetodynamic problems via a subproblem finite element method based on a perturbation technique. An approximate finite element problem ...
V Sabariego, R., Ferreira da Luz, M. V., Nsekere, J.-P., Kuo-Peng, P., Lilien, J.-L., & Dular, P. (2008). Perturbation finite element method for the analysis of earthing systems with vertical rods. Proceedings of MOMAG2008 (pp. 5).
Peer reviewed
This paper deals with the electrokinetic modeling of earthing systems by means of a sub-domain perturbation finite element technique. An axisymmetric problem is solved for each single grounding rod. Its ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). An iterative finite element perturbation method for computing electrostatic field distortions. IEEE Transactions on Magnetics, 44(6), 746-749.
Peer reviewed (verified by ORBi)
A finite element perturbation method is developed for computing electrostatic field distortions and the ensuing charges and forces on moving conductive regions subjected to fixed potentials. It is based on the ...
Dular, P., Specogna, R., & Trevisan, F. (2008). Constitutive matrices using hexahedra in a discrete approach for eddy currents. IEEE Transactions on Magnetics, 44(8), 694-697.
Peer reviewed (verified by ORBi)
We examine the construction of reluctivity and Ohm's constitutive matrices for discrete geometric approaches using nonregular hexahedra as primal volumes. The effect of element deformation on the ...
Gyselinck, J., V Sabariego, R., Dular, P., & Geuzaine, C. (2008). Time-Domain Finite-Element Modeling of Thin Electromagnetic Shells. IEEE Transactions on Magnetics, 44(6), 742-745.
Peer reviewed (verified by ORBi)
In this paper, the authors propose a novel time-domain extension of the well-known frequency-domain thin-shell approach. The time-domain interface conditions at the shell surface are expressed in terms of the ...
Parent, G., Dular, P., Ducreux, J.-P., & Piriou, F. (2008). Using a Galerkin Projection Method for Coupled Problems. IEEE Transactions on Magnetics, 44(6), 830-833.
Peer reviewed (verified by ORBi)
For coupled problems, two different coupling strategies, either direct or indirect, can be used. One of the advantages of the indirect coupling strategy is its ability to solve each problem separately on ...
Poignard, C., Dular, P., Perrussel, R., Krähenbühl, L., Nicolas, L., & Schatzman, M. (2008). Approximate Conditions Replacing Thin Layers. IEEE Transactions on Magnetics, 44(6), 1154-1157.
Peer reviewed (verified by ORBi)
We provide a rigorous asymptotic method to build approximate conditions equivalent to a thin layer. With these conditions the electromagnetic field may be computed in domains such as a biological cell, without ...
V Sabariego, R., Dular, P., & Gyselinck, J. (2008). Time-Domain Homogenization of Windings in 3-D Finite Element Models. IEEE Transactions on Magnetics, 44(6), 1302-1305.
Peer reviewed (verified by ORBi)
This paper deals with the time-domain homogenization of multiturn windings in 3-D finite element (FE) models. An elementary two-dimensional (2-D) FE model allows for the global eddy-current characterization of ...
Dular, P. (2008). A time-domain homogenization technique for lamination stacks in dual finite element formulations. Journal of Computational & Applied Mathematics, 215(2), 390-399.
Peer reviewed (verified by ORBi)
A time-domain homogenization technique is developed to take the eddy currents in lamination stacks into account with dual 3-D magnetodynamic b- and h-conform finite element formulations. The lamination stack ...
Henneron, T., Clénet, S., Dular, P., & Piriou, F. (2008). Discrete finite element characterizations of source fields for volume and boundary constraints in electromagnetic problems. Journal of Computational & Applied Mathematics, 215(2), 438-447.
Peer reviewed (verified by ORBi)
The consideration of electromagnetic field sources in potential formulations necessitates the definition of source fields. Such source fields are first defined for both volume and boundary constraints in ...
V Sabariego, R., Geuzaine, C., Dular, P., & Gyselinck, J. (2008). h- and a- Time-Domain Formulations for the Modelling of Thin Electromagnetic Shells. Proceedings of the 7th International Conference on Computation in Electromagnetics (CEM2008).
Peer reviewed
Dual time-domain magnetodynamic finite element formulations taking into account thin conductive magnetic shells are presented. The interface conditions are expressed in terms of the average flux and ...
Dular, P. (2008, January). Méthode des éléments finis et technique de perturbation pour la modélisation du contrôle non destructif par courants de Foucault. Paper presented at Journée scientifique - Contrôle non destructif par courants de Foucault, Paris, France.
Peer reviewed
La méthode des éléments finis est par nature bien adaptée à la modélisation du contrôle non destructif par courants induits dans des structures à géométrie complexe. Elle peut en effet être appliquée à la ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). Finite element modeling of electrostatic MEMS including the impact of fringing field effects on forces. Sensor Letters, 6(1), 115-120.
Peer reviewed (verified by ORBi)
The numerical models describing the behaviour of electrostatically actuated microsystems often disregard fringing fields. However, taking fringing fields into account is crucial for an accurate computation of ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). A Perturbation Finite Element Method for Modeling Electrostatic MEMS without Remeshing. Proceedings of the 9th International Conference on Thermal, Mechanical and Multiphysics Simulation and Experiments in Micro-Electronics and Micro-Systems (EuroSimE2008). Freiburg, Germany.
Peer reviewed
This paper deals with the coupled electrostatic- mechanical analysis of electrostatically actuated MEMS. An iterative perturbation procedure in conjunction with the finite element method is used to solve the ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2008). A perturbation method for the 3D finite element modeling of electrostatically driven MEMS. Sensors, 8(2), 994-1003.
Peer reviewed (verified by ORBi)
In this paper, a finite element (FE) procedure for modeling electrostatically actuated MEMS is presented. It concerns a perturbation method for computing electrostatic field distortions due to moving ...
Dular, P., V Sabariego, R., Ferreira da Luz, M. V., Kuo-Peng, P., & Krähenbühl", L. (2008). Perturbation Finite Element Method for Refining Magnetic Circuit Models. Proceedings of the XX Symposium Electromagnetic Phenomena in Nonlinear Circuits (EPNC2008) (pp. 3-4). Lille, France.
Peer reviewed
Model refinements of magnetic circuits are performed via a subproblem finite element method based on a perturbation technique. An approximate problem considering ideal flux tubes is first solved. It gives ...
Dular, P., V Sabariego, R., & Krähenbühl, L. (2008). Subdomain Perturbation Finite Element Method for Skin and Proximity Effects in Inductors. COMPEL, 27(4), 72-84.
Peer reviewed (verified by ORBi)
Purpose – This paper seeks to develop a sub-domain perturbation technique to efficiently calculate strong skin and proximity effects in conductors within frequency and time domain finite element (FE) analyses ...
Dular, P., V Sabariego, R., & Krähenbühl, L. (2008). Subdomain perturbation finite-element method for skin and proximity effects. IEEE Transactions on Magnetics, 44(6), 738-741.
Peer reviewed (verified by ORBi)
Skin and proximity effects are calculated in both active and passive conductors via a subproblem finite-element method based on a perturbation technique. A reference limit problem considering either perfectly ...
Ferreira da Luz, M. V., Dular, P., V Sabariego, R., & Kuo-Peng, P. (2008). The Perturbation Finite Element Method for Magnetic Modeling of a Loudspeaker. Proceedings of 6ème Conférence Européenne sur les Méthodes Numériques en Electromagnétisme (NUMELEC2008). Liège, Belgium.
Peer reviewed
This paper shows that the application of a perturbation finite element method can provide a useful alternative to correct the equivalent magnetic circuits used to model loudspeakers. A ring magnet design of a ...
Gyselinck, J., Dular, P., Geuzaine, C., & V Sabariego, R. (2008). Surface-Impedance Boundary Conditions in Nonlinear Time-Domain Finite-Element Calculations. Proceedings of the XX Symposium Electromagnetic Phenomena in Nonlinear Circuits (EPNC2008). Lille, France.
Peer reviewed
The authors propose a novel nonlinear time-domain extension of the well-known frequency-domain surface-impedance method in computational magnetodynamics. Herein the 1-D eddy-current problem in a massive ...
V Sabariego, R., & Dular, P. (2008). h- and b-conform finite element perturbation techniques for nondestructive eddy current testing. COMPEL, 27(1), 319-327.
Peer reviewed (verified by ORBi)
Purpose - The aim of the present paper is to compare the performances of a finite-element perturbation technique applied either to the h- conform magnetodynamic formulation or to its b-conform counterpart in ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2007). An Iterative Finite Element Perturbation Method for Computing Electrostatic Field Distortions. Proceedings of 16th Conference on the Computation of Electromagnetic Fields (COMPUMAG2007).
Peer reviewed
A finite element (FE) perturbation method for computing electrostatic field distortions due to moving conductors is presented. First, an unperturbed problem (in the absence of conductors) is solved with the ...
Boutaayamou, M., V Sabariego, R., & Dular, P. (2007). A Perturbation Method for the 3D Finite Element Modeling of Electrostaticaly Driven MEMS. Proceedings of the 8th International Conference on Thermal, Mechanical and Multiphysics Simulation and Experiments in Micro-Electronics and Micro-Systems (pp. 50-54). IEEE.
Peer reviewed
In this paper, a finite element (FE) procedure for modeling electrostatically actuated MEMS is presented. It concerns a perturbation method for computing electrostatic field distortions due to moving ...
V Sabariego, R., & Dular, P. (2007). A perturbation approach for the modeling of eddy current nondestructive testing problems with differential probes. IEEE Transactions on Magnetics, 43(4 Sp. Iss. SI), 1289-1292.
Peer reviewed (verified by ORBi)
A perturbation technique applied to the finite element modeling of eddy current nondestructive testing (ECNDT) problems is developed for taking into account differential probes. It concerns a h-conform ...
Dular, P., & V Sabariego, R. (2007). A perturbation finite element method for modeling moving conductive and magnetic regions without remeshing. COMPEL, 26(3), 700-711.
Peer reviewed (verified by ORBi)
Purpose - To develop a sub-domain perturbation technique for efficiently modeling moving systems in magnetodynamics with a magnetic field h-conform finite element (FE) formulation. Design/methodology/approach ...
Dular, P., & V Sabariego, R. (2007). A perturbation method for computing field distortions due to conductive regions with h-conform magnetodynamic finite element formulations. IEEE Transactions on Magnetics, 43(4), 1293-1296.
Peer reviewed (verified by ORBi)
A method for solving eddy current problems in two separate steps is developed for global-local analyses with h-conform finite element formulations. An unperturbed problem is first solved in a global mesh ...
Dular, P., V Sabariego, R., Gyselinck, J., & Krähenbühl. (2007). Sub-domain finite element method for efficiently considering strong skin and proximity effects. COMPEL, 26(4), 974-985.
Peer reviewed (verified by ORBi)
Purpose - This paper seeks to develop a sub-domain perturbation technique to efficiently calculate strong skin and proximity effects in conductors within frequency and time domain finite element (FE) analyses ...
Gyselinck, J., V Sabariego, R., & Dular, P. (2007). Time-domain homogenization of windings in 2-D finite element models. IEEE Transactions on Magnetics, 43(4), 1297-1300.
Peer reviewed (verified by ORBi)
In this paper, the authors propose an original time-domain extension of the frequency-domain homogenization of multiturn windings in finite element (FE) models. For the winding type in hand (e.g., round ...
V Sabariego, R., & Dular, P. (2007). Perturbation technique for the finite element modelling of differential probes in non-destructive eddy-current testing. IET Science, Measurement & Technology, 1(1), 25-29.
Peer reviewed (verified by ORBi)
The paper deals with a new finite element scheme for non-destructive eddy-current testing (ECT) problems involving multiply connected test pieces and differential probes. It concerns a perturbation technique ...
Mattivi, B., Beauvois, V., Dular, P., Lilien, J.-L., Lorphevre, R., & V Sabariego, R. (2006). Hypersensitivity to Electricity: The effect of the current waveform on the perception level. Proceedings of the 4th Int Workshop on Biological Effects of Electromagnetic Fields.
Peer reviewed
Hypersensitivity to electricity has been reported many times in the literature. From another point of view, numerous measurements have been performed on perception level. Even if it appears that part of the ...
V Sabariego, R., & Dular, P. (2006). A perturbation technique for the finite element modelling of non-destructive eddy current testing. Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (pp. 247-253).
Peer reviewed
This paper deals with a new 3D finite element scheme for nondestructive eddy-current testing (ECT) problems. It concerns a perturbation technique applied to the magnetodynamic h- φ formulation. The ...
Dular, P., & Kuo-Peng, P. (2006). Dual finite element formulations for the three-dimensional modeling of both inductive and capacitive effects in massive inductors. IEEE Transactions on Magnetics, 42(4), 743-746.
Peer reviewed (verified by ORBi)
Dual finite element formulations are developed for modeling both inductive and capacitive effects in massive inductors. Mixed finite elements are used to satisfy each chosen conformity level for the unknown ...
Dular, P., Specogna, R., & Trevisan, F. (2006). Coupling between circuits and A-chi discrete geometric approach. IEEE Transactions on Magnetics, 42(4), 1043-1046.
Peer reviewed (verified by ORBi)
We propose a way to couple field equations for quasistatics in a bounded domain-where electromagnetic phenomena are assumed to be confined-with circuit equations. The algebraic equations describing eddy ...
Benabou, A., Vandenbossche, L., Gyselinck, J., Clenet, S., Dupre, L., & Dular, P. (2006). Inclusion of a stress-dependent Preisach model in 2D FE calculations. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 25(1), 81-90.
Peer reviewed (verified by ORBi)
Purpose - Mechanical stress can heavily affect the magnetic behaviour law in ferromagnetic materials. This paper, aims to take into account the effect of mechanical stress into a hystreresis model. This model ...
Dular, P., Gyselinck, J., & Krahenbuhl, L. (2006). A time-domain finite element homogenization technique for lamination stacks using skin effect sub-basis functions. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 25(1), 6-16.
Peer reviewed (verified by ORBi)
Purpose - To develop a homogenization technique to directly and efficiently take the eddy current effects in laminated magnetic cores within time domain finite element (FE) analyses. Design/methodology ...
Dular, P., V Sabariego, R., & Kuo-Peng, P. (2006). Three-dimensional finite element modeling of inductive and capacitive effects in micro-coils. COMPEL, 25(3), 642-651.
Peer reviewed (verified by ORBi)
Purpose - The paper seeks to develop dual 3D finite element (FE) formulations for modeling both inductive and capacitive effects in massive inductors, in particular micro-coils. The paper aims to build circuit ...
Gyselinck, J., V Sabariego, R., & Dular, P. (2006). A nonlinear time-domain homogenization technique for laminated iron cores in three-dimensional finite-element models. IEEE Transactions on Magnetics, 42(4), 763-766.
Peer reviewed (verified by ORBi)
The authors present a novel nonlinear homogenization technique for laminated iron cores in three-dimensional (3-D) finite-element (FE) models of electromagnetic devices. The technique takes into account the ...
V Sabariego, R., Sergeant, P., Gyselinck, J., Dular, P., Dupre, L., & Melkebeek, J. (2006). Fast multipole accelerated finite element-boundary element analysis of shielded induction heaters. IEEE Transactions on Magnetics, 42(4), 1407-1410.
Peer reviewed (verified by ORBi)
This paper deals with the analysis of a shielded induction heater by means of a fast multipole accelerated hybrid finite-element boundary-element model. It concerns an experimental setup with passive and ...
Dular, P., Gyselinck, J., Henneron, T., & Piriou, F. (2005). Dual finite element formulations for lumped reluctances coupling. IEEE Transactions on Magnetics, 41(5), 1396-1399.
Peer reviewed (verified by ORBi)
A method for coupling magnetostatic and magnetodynamic finite element formulations with lumped reluctances is developed. Two dual h and b-conform formulations are extended to define the necessary magnetic ...
Gyselinck, J., & Dular, P. (2005). Frequency-domain homogenization of bundles of wires in 2-D magnetodynamic FE calculations. IEEE Transactions on Magnetics, 41(5), 1416-1419.
Peer reviewed (verified by ORBi)
A general approach for the frequency-domain homogenization of multiturn windings in two-dimensional (2-D) finite element (FE) calculations is presented. First, a skin and proximity effect characterization of ...
Dular, P. (2005). Curl-conform source fields in finite element formulations - Automatic construction of a reduced form. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 24(2 Sp. Iss. SI), 364-373.
Peer reviewed (verified by ORBi)
Purpose - This paper proposes an automatic procedure to characterize discrete source fields. Design/methodology/approach - A technique is developed to characterize curl-conform fields to be used as source ...
Dular, P. (2004). The benefits of nodal and edge elements coupling for discretizing global constraints in dual magnetodynamic formulations. Journal of Computational and Applied Mathematics, 168(1-2 Sp. Iss. SI), 165-178.
Peer reviewed (verified by ORBi)
The treatment of massive and stranded inductors is studied in the frame of dual magnetodynamic finite element h- and a-formulations. On both sides, nodal and edge finite elements are used and source fields are ...
Dular, P., & Gyselinck, J. (2004). Modeling of 3-D stranded inductors with the magnetic vector potential formulation and spatially dependent turn voltages of reduced support. IEEE Transactions on Magnetics, 40(2, Part 2), 1298-1301.
Peer reviewed (verified by ORBi)
An alternative method is developed to take three-dimensional stranded inductors into account with the magnetic vector potential magnetodynamic formulation. The definition of the turn voltages as a continuous ...
Gyselinck, J., & Dular, P. (2004). A time-domain homogenization technique for laminated iron cores in 3-D finite-element models. IEEE Transactions on Magnetics, 40(2, Part 2), 856-859.
Peer reviewed (verified by ORBi)
The authors present a novel time-domain homogenization technique for laminated iron cores in three-dimensional (3-D) FE models of electromagnetic devices when using the magnetic vector potential formulation ...
Krahenbuhl, L., Dular, P., Zeidan, T., & Buret, F. (2004). Homogenization of lamination stacks in linear magnetodynamics. IEEE Transactions on Magnetics, 40(2, Part 2), 912-915.
Peer reviewed (verified by ORBi)
An effective numerical modeling of devices with lamination stacks cannot be done without replacing the laminations by an equivalent solid region. So far, no convincing model has been proposed, even in the ...
Oliveira, A. M., Kuo-Peng, P., Sadowski, N., Runcos, F., Carlson, R., & Dular, P. (2004). Finite-element analysis of a double-winding induction motor with a special rotor bars topology. IEEE Transactions on Magnetics, 40(2, Part 2), 770-773.
Peer reviewed (verified by ORBi)
A model allowing the simulation of induction machines with different rotor bars configurations is presented. The electrical machine is modeled by using two-dimensional (2-D) finite-element method and its ...
De Gersem, H., Gyselinck, J., Dular, P., Hameyer, K., & Weiland, T. (2004). Comparison of sliding-surface and moving-band techniques in frequency-domain finite-element models of rotating machines. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23(4), 1006-1014.
Peer reviewed (verified by ORBi)
The sliding-surface and moving-band techniques are introduced in frequency-domain finite element formulations to model the solid-body motion of the rotors in an cylindrical machine. Both techniques are ...
de Oliveira, A. M., Antunes, R., Kuo-Peng, P., Sadowski, N., & Dular, P. (2004). Electrical machine analysis considering field-circuit-movement and skewing effects. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23(4), 1080-1091.
Peer reviewed (verified by ORBi)
This paper presents a method to analyse electrical machines considering simultaneously the electromagnetic field, electric circuit, control loop, movement and skewing effects. The major contribution of this ...
Dular, P., Gyselinck, J., Zeidan, T., & Krähenbühl, L. (2004). Finite element modelling of stacked thin regions with non-zero global currents. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23(3), 707-714.
Peer reviewed (verified by ORBi)
Develops a method to take the eddy currents in stacked thin regions, in particular lamination stacks, into account with the finite element method using the 3D magnetic vector potential magnetodynamic ...
Gyselinck, J., & Dular, P. (2004). Lumped low-order time-domain model of eddy current effects in laminated cores. International Journal of Applied Electromagnetics and Mechanics, 19(1-avr Sp. Iss. SI), 281-285.
Peer reviewed (verified by ORBi)
The authors present a novel lumped model for laminated cores considering the ID eddy current problem in a conducting ferromagnetic lamination. The model is based on a polynomial spatial expansion of the ...
Gyselinck, J., Dular, P., Sadowski, N., Leite, J., & Bastos, J. P. A. (2004). Incorporation of a Jiles-Atherton vector hysteresis model in 2D FE magnetic field computations - Application of the Newton-Raphson method. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23(3), 685-693.
Peer reviewed (verified by ORBi)
his paper deals with the incorporation of a vector hysteresis model in 2D finite-element (FE) magnetic field calculations. A previously proposed vector extension of the well-known scalar Jiles-Atherton model ...
Gyselinck, J., Vandevelde, L., Melkebeek, J., & Dular, P. (2004). Complementary two-dimensional finite element formulations with inclusion of a vectorized Jiles-Atherton model. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23(4), 959-967.
Peer reviewed (verified by ORBi)
This paper deals with the magnetic vector and scalar potential formulation for two-dimensional (2D)finite element (FE) calculations including a vector hysteresis model, namely a vectorized Jiles-Atherton model ...
V Sabariego, R., Gyselinck, J., Dular, P., Geuzaine, C., & Legros, W. (2004). Fast multipole acceleration of the hybrid finite-element/boundary-element analysis of 3-D eddy-current problems. IEEE Transactions on Magnetics, 40(2), 1278-1281.
Peer reviewed (verified by ORBi)
This paper deals with the acceleration of the hybrid finite-element/boundary-element analysis of three-dimensional (3-D) eddy-current problems by means of the fast multipole method. An adaptive truncation ...
V Sabariego, R., Gyselinck, J., Dular, P., De Coster, J., Henrotte, F., & Hameyer, K. (2004). Coupled mechanical-electrostatic FE-BE analysis with FMM acceleration. COMPEL, 23(4), 876-884.
Peer reviewed (verified by ORBi)
This paper deals with the coupled mechanical-electrostatic analysis of a shunt capacitive MEMS switch. The mechanical and electrostatic parts of the problem are modelled by the FE and BE methods, respectively ...
V Sabariego, R., Gyselinck, J., Geuzaine, C., Dular, P., & Legros, W. (2004). Application of the fast multipole method to hybrid finite element-boundary element models. Journal of Computational & Applied Mathematics, 168(1-2), 403-412.
Peer reviewed (verified by ORBi)
This paper focuses on the acceleration of the hybrid finite element-boundary element analysis of 2D eddy current problems by means of the fast multipole method. An adaptive truncation scheme for the expansion ...
Gyselinck, J., Dular, P., Legros, W., & Grenier, D. (2003). Hybrid magnetic equivalent circuit - finite element modelling of transformer fed electrical machines. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 22(3), 643-658.
Peer reviewed (verified by ORBi)
This paper deals with the modelling of transformer supply in the two-dimensional (2D) finite element (FE) simulation of rotating electrical machines. Three different transformer models are compared The ...
Gyselinck, J., Dular, P., Vandevelde, L., Melkebeek, J., Oliveira, A. M., & Kuo-Peng, P. (2003). Two-dimensional harmonic balance finite element modelling of electrical machines taking motion into account. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 22(4), 1021-1036.
Peer reviewed (verified by ORBi)
An original and easy-to-implement method to take into account movement (motion) in the 2D harmonic balance finite element modelling of electrical machines is presented The global harmonic balance system of ...
V Sabariego, R., Gyselinck, J., Geuzaine, C., Dular, P., & Legros, W. (2003). Application of the fast multipole method to the 2D finite element-boundary element analysis of electromechanical devices. COMPEL, 22(3), 659-673.
Peer reviewed (verified by ORBi)
The present paper deals with the fast multipole acceleration of the 2D finite element-boundary element modelling of electromechanical devices. It is shown that the fast multipole method, usually applied to ...
Dular, P., & Kuo-Peng, P. (2002). An efficient time discretization procedure for finite element-electronic circuit equation coupling. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 21(2), 274-285.
Peer reviewed (verified by ORBi)
An efficient and robust time discretization procedure of theta type is proposed in the frame of the finite element-circuit equation coupling for electronic circuits with switches, i.e. the use of diodes ...
Dular, P. (2001). Dual magnetodynamic finite element formulations with natural definitions of global quantities for electric circuit coupling. Lecture Notes in Computational Science and Engineering (pp. 367-377). Berlin Heidelberg, Germany: Springer-Verlag.
Peer reviewed
Both general families of magnetodynamic formulations, i.e. h- and b-conform formulations, are studied in the frame of the finite element method, in 2D and 3D. These dual formulations are respectively weak ...
Dular, P., Sadowski, N., & Bastos, J. P. A. B. (2000). Dual Complete Procedures to Take Stranded Inductors into Account in Magnetic Vector Potential Formulations. IEEE Transactions on Magnetics, 36(4), 1600-1605.
Peer reviewed (verified by ORBi)
Two complete procedures, in duality, to take stranded inductors into account in magnetic vector potential 3D finite element formulations, in magnetostatics and in magnetodynamics, are developed. They are ...
Dular, P. (2000). Local and Global Constraints in Finite Element Modeling and the Benefits of Nodal and Edge Elements Coupling. International Compumag Society Newsletter, 7(2), 4-7.
Peer reviewed
Various constraints can be encountered in partial differential problems. On the one hand, there are local constraints, which locally act on fields. These are usually boundary conditions, fixing components of ...
Dular, P., Henrotte, F., & Legros, W. (1999). A General and Natural Method to Define Circuit Relations Associated with Magnetic Vector Potential Formulations. IEEE Transactions on Magnetics, 35(3), 1630-1633.
Peer reviewed (verified by ORBi)
A procedure is proposed to deal with magnetic vector potential finite element magnetodynamic formulations and the definition of their associated circuit relations, involving voltages and currents, especially ...
Gyselinck, J., Vandevelde, L., Melkebeek, J., Dular, P., Henrotte, F., & Legros, W. (1999). Calculation of Eddy Currents and Associated Losses in Electrical Steel Laminations. IEEE Transactions on Magnetics, 35(3), 1191-1194.
Peer reviewed (verified by ORBi)
Starting from the well known analytical formula for the eddy current losses in electrical steel laminations, saturation and edge effects are studied by means of 1D and 2D finite element models of a single ...
Hedia, H., Henrotte, F., Meys, B., Dular, P., & Legros, W. (1999). Arrangement of phases and heating constraints in a busbar. IEEE Transactions on Magnetics, 35(3), 1274-1277.
Peer reviewed (verified by ORBi)
This paper presents the analysis of a busbar for a three-phase system. The best connection of the different phases is proposed to derive the optimal dissipation of the heat flux inside the busbar. The ...
Henrotte, F., Meys, B., Hedia, H., Dular, P., & Legros, W. (1999). Finite Element Modelling with Transformation Techniques. IEEE Transactions on Magnetics, 35(3), 1434-1437.
Peer reviewed (verified by ORBi)
Transformation methods are a very powerful tool in finite element modelling. In many cases, an adequate mapping transforms the problem into an easier one or allows advantage to be taken of the symmetries. This ...
Dular, P., Gyselinck, J., Henrotte, F., Legros, W., & Melkebeek, J. (1999). Complementary finite element magnetodynamic formulations with enforced magnetic fluxes. Compel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 18(4), 656-667.
Peer reviewed (verified by ORBi)
Two complementary 3D finite element formulations, with either the magnetic field or the magnetic vector potential as unknowns, are developed to deal with the modeling of eddy currents in electrical steel ...
Dular, P., Legros, W., & Nicolet, A. (1998). Coupling of Local and Global Quantities in Various Finite Element Formulations and its Application to Electrostatics, Magnetostatics and Magnetodynamics. IEEE Transactions on Magnetics, 34(5), 3078-3081.
Peer reviewed (verified by ORBi)
A method for defining global quantities related to fluxes and circulations is proposed in the frame of the finite element method. The definition is in perfect accordance with the discretized weak formulations ...
Hedia, H., Henrotte, F., Dular, P., Remacle, J.-F., & Legros, W. (1998). Optimization of the width of a thin plate in a transverse flux induction furnace. IEEE Transactions on Magnetics, 34(5), 3118-3121.
Peer reviewed (verified by ORBi)
This paper presents the analysis of a transverse flux induction furnace. The originality of the analysis presented in this paper is to use successively three different formulations in order to solve the ...
Dular, P., Henrotte, F., Meys, B., Genon, A., & Legros, W. (1997). Une méthode naturelle de traitement des potentiels flottants associée à la méthode des éléments finis. Journal de physique. III, 7(11), 2201-2209.
Peer reviewed
Une méthode efficace de traitement des potentiels flottants, utilisée dans le cadre de la méthode des éléments finis et appliquée au problème de l'électrostatique, est présentée. De plus, cette méthode conduit ...
Dular, P., Henrotte, F., Robert, F., Genon, A., & Legros, W. (1997). A Generalized Source Magnetic Field Calculation Method for Inductors of any Shape. IEEE Transactions on Magnetics, 33(2), 1398-1401.
Peer reviewed (verified by ORBi)
A general method to compute source fields in magnetostatics or magnetodynamics is presented for inductors of any shape. That source field is not the physical one because the zero divergence condition is not ...
Dular, P., Remacle, J.-F., Henrotte, F., Genon, A., & Legros, W. (1997). Magnetostatic and Magnetodynamic Mixed Formulations Compared with Conventional Formulations. IEEE Transactions on Magnetics, 33(2), 1302-1305.
Peer reviewed (verified by ORBi)
Mixed formulations are characterized by the use, of not only one kind of unknown, but of two distinct kinds of unknowns. Some well-known mixed finite elements are well suited to the approximation of ...
Remacle, J.-F., Dular, P., Henrotte, F., Genon, A., & Legros, W. (1997). On the Resolution of Magnetostatic and Magnetodynamic Mixed Formulations. IEEE Transactions on Magnetics, 33(2), 1768-1771.
Peer reviewed (verified by ORBi)
Mixed formulations of Maxwell's equations are presented and the nature of the matrices appearing in these formulations is discussed. Their indefinite character is discussed. A method for solving these unusual ...
Dular, P., & Geuzaine, C. (1997). GetDP: a general environment for the treatment of discrete problems.
GetDP is a general finite element solver using mixed elements to discretize de Rham-type complexes in one, two and three dimensions. The main feature of GetDP is the closeness between the input data defining ...
Hedia, H., Henrotte, F., Dular, P., Genon, A., & Legros, W. (1996). Determination of equivalent material characteristics for parasitic effects in electrical apparatus. IEEE Transactions on Magnetics, 32(5), 4341-4343.
Peer reviewed (verified by ORBi)
For linear systems excited with sinusoidal constraints, an exact dynamical modelling can be performed with a phasor (complex number) approach. For nonlinear systems (exhibiting saturation, hysteresis and ...
Remacle, J.-F., Dular, P., Genon, A., & Legros, W. (1996). A posteriori error estimation and adaptive meshing using error in constitutive relation. IEEE Transactions on Magnetics, 32(3), 1369-1372.
Peer reviewed (verified by ORBi)
The paper presents a method to control the quality of finite element solutions error in the constitutive relation. An a posteriori estimator is built up. Its construction is general and gives quantitative ...
Hedia, H., Remacle, J.-F., Dular, P., Nicolet, A., Genon, A., & Legros, W. (1995). A Sinusoidal Magnetic Field Computation in Nonlinear Materials. IEEE Transactions on Magnetics, 31(6), 3527-3529.
Peer reviewed (verified by ORBi)
This paper presents a new approach to solve nonlinear problems using the complex formalism in the finite element method. The main idea is to use a modified Newton Raphson procedure taking into account both the ...
Remacle, J.-F., Dular, P., Henrotte, F., Genon, A., & Legros, W. (1995). Error estimation and mesh optimisation using error in constitutive relation for electromagnetic field computation. IEEE Transactions on Magnetics, 31(6), 3587-3589.
Peer reviewed (verified by ORBi)
This paper presents a complete methodology to control the quality of electromagnetic field computation using the finite element method. An error estimate is built up using the error in the constitutive ...
Dular, P., Nicolet, A., Genon, A., & Legros, W. (1995). A Discrete Sequence Associated with Mixed Finite Elements and its Gauge Condition for Vector Potentials. IEEE Transactions on Magnetics, 31(3), 1356-1359.
Peer reviewed (verified by ORBi)
A sequence of finite element spaces built on tetrahedra, hexahedra and prisms, is presented, and a gauge condition for vector potentials is shown to be well defined in these spaces. Results are presented for a ...
Dular, P. (1994). Modélisation du champ magnétique et des courants induits dans des systèmes tridimensionnels non linéaires. Unpublished doctoral thesis, Université de Liège, ​Liège, ​​Belgique.
Notre recherche consiste en l’étude et le développement de modèles mathématiques et numériques tridimensionnels destinés à l’analyse de problèmes de l’électromagnétisme, et en particulier de ...
Dular, P., Hody, J.-Y., Nicolet, A., Genon, A., & Legros, W. (1994). Mixed Finite Elements Associated with a Collection of Tetrahedra, Hexahedra and Prisms. IEEE Transactions on Magnetics, 30(5), 2980-2983.
Peer reviewed (verified by ORBi)
A generalization of the Whitney complex is proposed, which is not now associated with simplices, i.e. tetrahedra in three dimensions, but with collections of three kinds of geometric elements: tetrahedra ...
Dular, P., Genon, A., Hody, J.-Y., Legros, W., Mauhin, J., & Nicolet, A. (1993). Coupling between Edge Finite Elements, Nodal Finite Elements and Boundary Elements for the Calculation of 3-D Eddy Currents. IEEE Transactions on Magnetics, 29(2), 1470-1474.
Peer reviewed (verified by ORBi)
Coupling between edge finite elements, nodal finite elements and boundary elements for the calculation of 3D eddy currents is presented. Its aim is to allow an adequate treatment of different formulations ...
Delincé, F., Dular, P., Genon, A., Legros, W., Mauhin, J., & Nicolet, A. (1992). Modelling of Inductive Effects in Thin Wire Coils. IEEE Transactions on Magnetics, 28(2), 1190-1192.
Peer reviewed (verified by ORBi)
In conducting media, inductive effects give rise to eddy currents that produce skin effect and proximity effect. In thin wire coils in which the inductive effects are present the current density is forced to ...
Adriaens, J.-P., Delincé, F., Dular, P., Genon, A., Legros, W., & Nicolet, A. (1991). Vector Potential Boundary Element Method for Three Dimensional Magnetostatic. IEEE Transactions on Magnetics, 27(5), 3808-3810.
Peer reviewed (verified by ORBi)
A three-dimensional magnetostatic field computation method is presented. It uses the vector potential formulation which is valid for any topology in opposition to the scalar formulation needing special cuts ...