A Method for Nonlinear Magnetic Field Analysis Taking Account of the 2-D Magnetization Property

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Koji Fujiwara, Okayama University

Abstract

Any magnetic material has anisotropy intrinsically. In this paper, a method for nonlinear magnetic field analysis taking account of the so-called 2-D magnetization is described. The 2-D magnetization property can be observed in a thin sheet of magnetic material such as a silicon steel sheet. When the proposed method is added in commercial software as a useful function, it will be possible to develop a new design method for magnetic circuits.
Keywords: 2-D magnetization property, silicon steel sheet, nonlinear magnetic field analysis, modified Newton-Raphson method, Bezier surface, finite element method

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