A Novel Preconditioner for Electromagnetic Solvers

被引：1
|
作者：
肖运辉
聂在平
胡俊
王晓峰
机构：
[1] School of Electronic Engineering University of Electronic Science and Technology of China Chengdu 610054 China
[2] School of Electronic Engineering University of Electronic Science and Technology of China Chengdu 610054 China
来源：
JournalofElectronicScienceandTechnologyofChina | 2006年 / 01期
基金：
中国国家自然科学基金;
关键词：
preconditioning; integral equation; BiCGstab(l);
D O I：
暂无
中图分类号：
TM159 [];
学科分类号：
摘要：
A novel preconditioning scheme for electromagnetic scattering solver is presented to improve the convergence of the iterative solver for the linear system resulted by the integral quations. Its kernel idea is the selection of the main contribution of the matrix elements, which affect the matrix condition number the most. We employ the important part similar to the near-field to build the preconditioning matrix. A parameter delta is given to control the balance between the computational expense to get the preconditioner and the effectiveness of the preconditioner. A practical selection of the control parameter delta of the preconditioner is discussed, which indicates the preconditioner is effective in conjunction with a BiCGstab(l) solver.
引用
收藏
页码：51 / 54
页数：4
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