Convergence of an Alternating A-$\phi$ Scheme for Quasi-Magnetostatics Eddy Current Problem

Convergence of an Alternating A-$\phi$ Scheme for Quasi-Magnetostatics Eddy Current Problem

Year:    2004

Author:    Changfeng Ma

Journal of Computational Mathematics, Vol. 22 (2004), Iss. 5 : pp. 661–670

Abstract

We propose in this paper an alternating A-$\phi$ method for the quasi-magnetostatic eddy current problem by means of finite element approximations. Bounds for continuous and discrete error in finite time are given. And it is verified that provided the time step $\tau$ is sufficiently small, the proposed algorithm yields for finite time $T$ an error of $O(h+\tau^{1/2})$ in the $L^2$-norm for the magnetic field $H(= \mu^{-1} \nabla \times A)$, where $h$ is the mesh size, $\mu$ the magnetic permeability.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2004-JCM-8865

Journal of Computational Mathematics, Vol. 22 (2004), Iss. 5 : pp. 661–670

Published online:    2004-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    10

Keywords:    Eddy current problem Alternating $A-\phi$ method Finite element approximation Error estimate.

Author Details

Changfeng Ma