PARALLEL MOM SOLUTION OF JMCFIE FOR SCATTERING BY 3-D ELECTRICALLY LARGE DIELECTRIC OBJECTS

被引：8

作者：

Cui, Z-W ^{[1
]}

Han, Y-P ^{[1
]}

Xu, Q. ^{[1
]}

Li, M-L ^{[1
]}

机构：

[1] Xidian Univ, Sch Sci, 2 Taibai Rd, Xian, Shaanxi, Peoples R China

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH M | 2010年 / 12卷

基金：

中国国家自然科学基金;

关键词：

Matrix algebra - Message passing - Integral equations - Personal computers - Conjugate gradient method - Numerical methods;

D O I：

10.2528/PIERM10042607

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we apply the parallel method of moments (MOM) to solve the Electric and Magnetic Current Combined Field Integral Equation (JMCFIE) for scattering by large, three-dimensional (3-D), arbitrarily shaped, homogeneous dielectric objects. We first derive the JMCFIE formulation which produces well-conditioned matrix equation when the MOM with Galerkin's type testing and RaoWilton-Glisson (RWG) functions is applied. We then develop a parallel conjugate gradient (CG) method on personal computer (PC) clusters using message passing interface (MPI) for solving the matrix equation obtained with JMCFIE. The matrix is decomposed by the row and stored in distributed memory of the node. Several numerical results are presented to demonstrate the accuracy and capability of the proposed method.

引用

页码：217 / 228

页数：12

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