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Erschienen in:
1988 | OriginalPaper | Buchkapitel
Perturbation Finite Element Method of Electromagnetic Field Calculation for Eddy-Current Coupling
verfasst von : Li Biao
Erschienen in: Electromagnetic Fields in Electrical Engineering
Verlag: Springer US
Enthalten in: Professional Book Archive
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This paper describes how the non-linear equation of the FEM for electromagnetic field calculation of eddy-current coupling can be turned directly into a set of linear perturbation equations by perturbation method. The set of perturbation equations can be solved directly without the need for iteration. For each and every perturbation equation, the coefficient matrices are identical and remain constant, with only the right hand column vectors being different from one another. The right hand column vectors of any perturbation equation can be calculated on the basis of the solutions of the preceding set of equations. Therefore, the method is simpler and more effective than the general FEM.