3-Dimensional magnetic field analysis by homogenization method for thin steel plate

Keisuke Fujisaki, Masahiro Fujikura, Jirou Mino, Shouji Satou

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The 3-dimensional magnetic field in magnetic shield is analyzed by a proposed magnetic field calculation method of equivalent B-H method (a kind of homogenization method) for thin steel plate. When the proposed equivalent B-H method is applied to a full-scale size magnetic shield room (length is 5.8 m, width is 3.3 m, height is 3.3 m), the measured leakage magnetic flux density distribution is in good agreement with the calculated leakage magnetic flux density distribution. The equivalent B-H method has such superior property such as taking into account for magnetic saturation and magnetic anisotropy and no numerical calculation to obtain the equivalent B-H characteristics of equivalent element, because the magnetic characteristics of an equivalent element are introduced from the magnetic characteristics of the ferromagnetic materials by analytical equations in an assumption that the equivalent element continues frequently in 3-dimensional space boundlessly.

Original languageEnglish
Pages (from-to)303-309+19
JournalIEEJ Transactions on Industry Applications
Issue number3
Publication statusPublished - 2008


  • Equivalent B-H method
  • Magnetic calculation
  • Magnetic characteristics
  • Magnetic isotropy
  • Magnetic saturation
  • Magnetic shield
  • Thin steel plate

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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