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• 标题: Finite Step Conjugate Gradients Methods for the Solution of an Impedance Operator Equation Arising in Electromagnetics

  作者: Haifa belhadj, Taoufik Aguili

  关键词: Conjugate Gradient method, Generalized Equivalent Circuit Method, MoM, Electromagnetic Computational, Scattering

  期刊名称: Journal of Electromagnetic Analysis and Applications, Vol.3 No.10, October 24, 2011

  摘要: A class of finite step iterative methods, conjugate gradients, for the solution of an operator equation, is presented on this paper to solve electromagnetic scattering. The method of generalized equivalent circuit is used to model the problem and then deduce an electromagnetic equation based on the impedance operator. Four versions of the conjugate gradient method are presented and numerical results for an iris structure are given, to illustrate convergence properties of each version. Computational efficiency of these methods has been compared to the moment method.