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2016•2016 13th International Scientific-Technical Conference on Actual Problems of Electronics Instrument Engineering (APEIE)Requires access

Coupled vector FEM and scalar BEM formulation for eddy current problems

M.E. Royak, Ilya M. Stupakov, N.S. Kondratyeva

Open publisher page 3 citations

Abstract

A problem of electromagnetic field modeling with consideration of eddy currents is addressed. A formulation for calculating eddy currents with coupled total vector magnetic potential and reduced scalar magnetic potential is presented. The finite element method (FEM) is used to approximate the total vector magnetic potential and the boundary element method (BEM) is used to approximate reduced scalar magnetic potential. The efficiency of the proposed method is investigated and compared to the pure FEM formulation. The results are obtained by solving the problem of calculating the effect of eddy currents on a magnet activation.

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What this paper is about

A problem of electromagnetic field modeling with consideration of eddy currents is addressed. A formulation for calculating eddy currents with coupled total vector magnetic potential and reduced scalar magnetic potential is presented. The finite element method (FEM) is used to approximate the total vector magnetic potential and the boundary element method (BEM) is used to approximate reduced scalar magnetic potential. The efficiency of the proposed method is investigated and compared to the pure FEM formulation. The results are obtained by solving the problem of calculating the effect of eddy currents on a magnet activation.

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Available abstract

A problem of electromagnetic field modeling with consideration of eddy currents is addressed. A formulation for calculating eddy currents with coupled total vector magnetic potential and reduced scalar magnetic potential is presented. The finite element method (FEM) is used to approximate the total vector magnetic potential and the boundary element method (BEM) is used to approximate reduced scalar magnetic potential. The efficiency of the proposed method is investigated and compared to the pure FEM formulation. The results are obtained by solving the problem of calculating the effect of eddy currents on a magnet activation.

Key concepts: Eddy current, Magnetic potential, Vector potential, Finite element method, Scalar potential, Scalar (mathematics), Boundary element method, Magnetic field

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