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Computational Accuracy Enhancement in Magnetic Field Analysis by Using Orthogonalized Infinite Edge Element Method
Author(s) -
Tsuzaki Kenta,
Tawada Yoshihiro,
Wakao Shinji,
Kameari Akihisa,
Tokumasu Tadashi,
Takahashi Yasuhito,
Igarashi Hajime,
Fujiwara Koji,
Ishihara Yoshiyuki
Publication year - 2015
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.22602
Subject(s) - computation , electromagnetic field , magnetic field , focus (optics) , point (geometry) , position (finance) , enhanced data rates for gsm evolution , boundary element method , finite element method , field (mathematics) , algorithm , boundary (topology) , computer science , mathematics , mathematical analysis , geometry , physics , engineering , artificial intelligence , optics , structural engineering , finance , quantum mechanics , pure mathematics , economics
SUMMARY Electromagnetic phenomena intrinsically spread over an infinite region. Thus, efficient handling of open boundaries is one of the main issues in electromagnetic field computations. This paper deals with the orthogonalized infinite edge element method that efficiently performs precise analysis of the infinite region. In this method, several parameters are used to achieve high accuracy. As one of the parameters, we focus on the reference point and investigate the effect of its position setting on accuracy. We also evaluate the accuracy of the calculated magnetic field in the far region. By applying boundary element method as postprocessing, it is found that high computational accuracy in the region can be effectively achieved.

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