The magnetic field analysis results on grain-oriented silicon steel sheet and nongrain-oriented silicon steel sheet by the isotropic method, the two-axis isotropic method, the two-axis anisotropic method, the ψ anisotropic method, and the θHB anisotropic method, which are 2-D magnetic analysis methods, are compared. In analyzing the magnetic field in the isotropic material, the isotropic method is more appropriate than the two-axis isotropic method. For the anisotropic material in which the magnetic flux density is much less than saturation magnetic flux density, the two-axis anisotropic method is more preferable than the ψ anisotropic method, because the result of the two-axis anisotropic method is similar to that of the θHB anisotropic method. However, for the analysis in high magnetic flux density near the saturation magnetic flux density, the ψ anisotropic method is more suitable than the two-axis anisotropic method.
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