3D Hybrid FEM-BEM Using Whitney Facet Elements and Independent Loops

Douglas Martins Araujo , Gérard Meunier (1) , Olivier Chadebec (1) , Jean Louis Coulomb , Loic Rondot (2)

1 G2ELab - Laboratoire de Génie Electrique de Grenoble
2 SE - Schneider Electric

This paper presents a hybrid formulation using Whitney facet elements. This formulation is efficient for the modeling of unbounded 3D magnetostatic problems. Boundary element method is used to model the unbounded regions and finite element method to model the ferromagnetic ones. Using equivalent circuit representation, the problem is changed, the degrees of freedom becoming magnetic flux in loops instead of faces. As a result, the dimension of the system to be solved is decreased.

Mots clés: Boundary element method (BEM); facet finite elements; hybrid FEM-BEM; magnetostatics

Domaines: Energie électrique

Douglas Martins Araujo, Gérard Meunier, Olivier Chadebec, Jean Louis Coulomb, Loic Rondot. 3D Hybrid FEM-BEM Using Whitney Facet Elements and Independent Loops. IEEE Transactions on Magnetics, 2015, 51 (3), ⟨10.1109/TMAG.2014.2364978⟩. ⟨hal-02277682⟩