DOMAIN DECOMPOSITION FE-BI-MLFMA METHOD FOR SCATTERING BY 3D INHOMOGENEOUS OBJECTS

被引：3

作者：

Gao, Hong-Wei ^{[1
]}

Yang, Ming-Lin ^{[1
]}

Sheng, Xin-Qing ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Informat & Elect, Ctr Electromagnet Simulat, Beijing 100081, Peoples R China

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER | 2013年 / 139卷

关键词：

HYBRID FINITE-ELEMENT; ELECTROMAGNETIC SCATTERING; ALGORITHM; EFFICIENT; IMPLEMENTATION; EQUATION;

D O I：

10.2528/PIER13033101

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

The hybrid finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA) is a powerful method for calculating scattering by inhomogeneous objects. However, the conventional FE-BI-MLFMA often suffers from iterative convergence problems. A non-overlapping domain decomposition method (DDM) is applied to FE-BI-MLFMA to speed up the iterative convergence. Furthermore, a preconditioner based on absorbing boundary condition and symmetric successive over relaxation (ABC-SSOR) is constructed to further accelerate convergence of the DDM-FE-BI-MLFMA. Numerical experiments demonstrate the efficiency of the proposed preconditioned DDM-FE-BI-MLFMA.

引用

页码：407 / 422

页数：16

共 27 条

[1]

A fully asynchronous multifrontal solver using distributed dynamic scheduling [J].