Improvements of convergence characteristics of Newton-Raphsonmethod for nonlinear magnetic field analysis |
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| Authors: | Nakata T. Takahashi N. Fujiwara K. Okamoto N. Muramatsu K. |
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| Affiliation: | Dept. of Electr. Eng., Okayama Univ.; |
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| Abstract: | In order to overcome the divergence of the Newton-Raphson iteration in the nonlinear magnetic field analysis, a relaxation factor is introduced and its optimum value is examined. It is shown that the modified Newton-Raphson method proposed exhibits quick and successful convergence even in the case when the conventional Newton-Raphson method fails in convergence |
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