Stable Adaptive Method to Solve FEM Coupled With Jiles-Atherton Hysteresis Model

Lauri Perkkiö; Brijesh Upadhaya; Antti Hannukainen; Paavo Rasilo

doi:10.1109/TMAG.2017.2782214

Stable Adaptive Method to Solve FEM Coupled With Jiles-Atherton Hysteresis Model

Lauri Perkkiö, Brijesh Upadhaya, Antti Hannukainen, Paavo Rasilo

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Abstract

The Jiles-Atherton magnetic hysteresis model coupled with time-stepping finite-element analysis is reported to suffer from numerical convergence problems, for example, when simulating electrical machines. In this paper, we describe a source of the numerical difficulties, and present a more stable time integration scheme for the coupled problem. In addition, we introduce the quasi-Newton method to accelerate the solution of the nonlinear field equation. Induction motor simulations verify the robustness of the proposed method.

Original language	English
Article number	7400208
Journal	IEEE Transactions on Magnetics
Volume	54
Issue number	2
Early online date	2017
DOIs	https://doi.org/10.1109/TMAG.2017.2782214
Publication status	Published - 2018
Publication type	A1 Journal article-refereed

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http://urn.fi/URN:NBN:fi:tty-201801091037

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abstract = "The Jiles-Atherton magnetic hysteresis model coupled with time-stepping finite-element analysis is reported to suffer from numerical convergence problems, for example, when simulating electrical machines. In this paper, we describe a source of the numerical difficulties, and present a more stable time integration scheme for the coupled problem. In addition, we introduce the quasi-Newton method to accelerate the solution of the nonlinear field equation. Induction motor simulations verify the robustness of the proposed method.",

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Stable Adaptive Method to Solve FEM Coupled With Jiles-Atherton Hysteresis Model

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