Magnetic field analysis of laminated core by using homogenization method

被引：0
|
作者：
Muto, H. [1 ]
Takahashi, Y. [1 ]
Wakao, S. [1 ]
Fujiwara, K. [2 ]
Kameari, A. [3 ]
机构：
[1] Department of Electrical Engineering and Bioscience, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
[2] Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushima, Okayama 700-8530, Japan
[3] Research Group of Science Solutions International Laboratory. Inc., 2-21-7 Naka-cho, Meguro-ku, Tokyo 153-0065, Japan
来源：
Journal of Applied Physics | 2006年 / 99卷 / 08期
关键词：
This paper describes an approach to efficient modeling of the microscopic structure of magnetic materials in the nonlinear magnetostatic field analysis of a laminated core. When the ordinary finite element method is applied; large memory and computational cost are required due to the huge number of elements generated by detailed modeling of a laminated core. In order to overcome the above difficulties; we introduce the homogenization method; which is widely used in continuum mechanics; into the magnetic field computation and expand the method into the nonlinear analysis. Furthermore; the specialized homogenization method for a laminated core is carried out to verify the above homogenization method in the electromagnetism. Some numerical results are also presented to demonstrate the effectiveness of the proposed method. © 2006 American Institute of Physics;
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