Analysis of magnetic shielding effect of layered shields based on homogenization

被引：26

作者：

Waki, H ^{[1
]}

Igarashi, H ^{[1
]}

Honma, T ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2006年 / 42卷 / 04期

关键词：

effective permeability; homogenization; magnetic shielding; nonlinear analysis;

D O I：

10.1109/TMAG.2006.872480

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：

This paper describes a nonlinear analysis of magnetic field based on homogenization. The analysis of a magnetic field is time-consuming when the problem includes magnetic substance with fine structure. Simplification of the fine structure by homogenization makes it possible to analyze them efficiently. The authors have introduced a homogenization method to estimate effective permeability of magnetic composite structure for a static field. This method can be applied not only for linear problems but also nonlinear ones. In this paper, the magnetic shielding effect of layered nonlinear material is analyzed by using the homogenization method, and the applicability of this method is discussed.

引用

页码：847 / 850

页数：4

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