Proposal for a benchmark model of a laminated iron core and a large-scale and highly accurate magnetic analysis

Yasuhito Takahashi, Shinji Wakao, Koji Fujiwara, Hiroyuki Kaimori, Akihisa Kameari

研究成果: Article査読

抄録

This paper describes a benchmark model proposed for the clarification of the characteristic of various methods for modeling the laminated iron core. In order to obtain a reference solution of the benchmark model, a large-scale nonlinear magnetostatic field analysis with a mesh fine enough to represent the microscopic structure of the laminated iron core is carried out by using the hybrid finite element-boundary element (FE-BE) method combined with the fast multipole method (FMM) based on diagonal forms for translation operators. The computational costs and accuracy of two kinds of homogenization methods are discussed, comparing them with the reference solution. As a consequence, it is verified that the homogenization methods can analyze magnetic fields in laminated iron core within acceptable computational costs.

本文言語English
ページ(範囲)26-35
ページ数10
ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
170
1
DOI
出版ステータスPublished - 2010 1 15

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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