A Finite Element Analysis of 3-D Eddy Current Problems Using an Iterative Method

Abstract

Iterative methods are proposed for a finite element approximation of three-dimensional eddy current problems. The methods are based on an iterative method derived from a perturbation problem of the magnetostatic problem. A “cake” model and the TEAM model are considered as numerical examples. In both examples, the BiConjugate Gradient method is applicable for the complex symmetric linear systems arising in each step of the iterative procedures, the iterative methods converge for a rather wide range of the perturbation parameter, and the present results agree with the previous ones by the mixed method.