Nonlinear Eddy Current Analysis by BEM Utilizing Adaptive Equation Technique

被引:5
|
作者
Ishibashi, Kazuhisa [1 ]
Andjelic, Zoran [2 ]
Pusch, David [2 ]
机构
[1] Tokai Univ, Dept Mech Engn, Tokyo 1518677, Japan
[2] ABB Switzerland Ltd, Corp Res, CH-5405 Baden, Switzerland
关键词
Adaptive equation technique; boundary element method (BEM); integral equation; nonlinear eddy current analysis;
D O I
10.1109/TMAG.2009.2012548
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Eddy currents induced in steel are analyzed by the boundary element method. As the periodic electromagnetic quantities in the steel are distorted due to the nonlinear magnetization property, they are expressed by a Fourier series, whose fundamental and harmonic waves are determined by solving the corresponding integral equations with the surface magnetic fields given as the boundary values. In this paper, we introduce a new combined integration scheme that enables efficient, volume-mesh-less treatment of the practical problems typically characterized by the geometrical singularities like edges and corners. Using this procedure, the internal and surface electromagnetic fields are obtained numerically one after another by applying an adaptive equation technique to obtain the boundary values.
引用
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页码:1020 / 1023
页数:4
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