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Issue		Eur. Phys. J. AP Volume 5, Number 1, January 1999
Page(s)		63 - 69
DOI		10.1051/epjap:1999105

DOI: 10.1051/epjap:1999105

Eur. Phys. J. AP 5, 63-69

Convergence of the modified fixed-point method in magnetic field problems with hysteresis

F. Ossart¹ - V. Ionita²

¹ Laboratoire d'Électrotechnique de Grenoble, ENSIEG, BP 46, 38402 Saint-Martin-d'Hères Cedex, France
² Université "Politehnica'' Bucuresti Spl. Indep. 313, 77206 Bucuresti, Romania
Florence.Ossart@lmt.ens-cachan.fr

Received : 20 May 1998 / Revised : 21 September 1998 / Accepted : 14 October 1998

Abstract
The paper presents a fixed point iterative method for the magnetic field computation in hysteretic media. The method is applied to a 2D field computation by the finite element method, hysteresis being modeled by a simple analytical scalar model. Convergence of the computation is verified. A test problem, unsolved by classical methods, is treated using both the scalar and vector magnetic potentials. The obtained results show the algorithm efficiency, which is then applied to magnetic recording modeling.

PACS
85.70.Ay Magnetic device characterization, design, and modeling - 75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects

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