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Article Dans Une Revue IEEE Transactions on Magnetics Année : 2015

A Volume Integral Formulation Based on Facet Elements for Nonlinear Magnetostatic Problems

Résumé

This paper presents a novel and useful 3D nonlinear magnetostatic integral formulation for volume integral method. Like every other integral formulation, its main advantage is that it does not require air region mesh, only ferromagnetic regions being discretized. The formulation is based on magnetic flux density interpolation on facet elements. Special care is taken in order to accurately compute the singularity of Green's kernel. The application of an equivalent circuit approach allows preserving the solenoidality of magnetic induction. It is shown that the formulation is very accurate even if it is associated with coarse meshes. Thus, computation time can be very competitive. Computed results for the TEAM Workshop problem 13 and for a multiply-connected regions case-test are reported.
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Dates et versions

hal-01177829 , version 1 (24-11-2020)

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Vinh Le Van, Gérard Meunier, Olivier Chadebec, Jean-Michel Guichon. A Volume Integral Formulation Based on Facet Elements for Nonlinear Magnetostatic Problems. IEEE Transactions on Magnetics, 2015, 51 (7), ⟨10.1109/TMAG.2015.2389197⟩. ⟨hal-01177829⟩
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