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

Author

Araujo, Douglas Martins ; Meunier, Gerard ; Chadebec, Olivier ; Coulomb, Jean Louis ; Rondot, Loic

Author_Institution

Centre Nat. de la Rech. Sci., Univ. Grenoble Alpes, Grenoble, France

Volume

51

Issue

3

fYear

2015

fDate

Mar-15

Firstpage

1

Lastpage

4

Abstract

This paper presents a hybrid formulation using Whitney facet elements. This formulation is efficient for the modeling of unbounded 3-D 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.

Keywords

boundary-elements methods; equivalent circuits; ferromagnetism; finite element analysis; magnetic flux; magnetostatics; 3D hybrid FEM-BEM; Whitney facet elements; boundary element method; degrees of freedom; equivalent circuit; ferromagnetism; finite element method; independent loops; magnetic flux; unbounded 3D magnetostatic problems; Boundary element methods; Equivalent circuits; Finite element analysis; Magnetic circuits; Magnetic domains; Magnetic forces; Magnetostatics; Boundary element method (BEM); facet finite elements; hybrid FEM???BEM; magnetostatics;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2014.2364978

Filename

7093557