A fast time-domain finite element-boundary integral method for electromagnetic analysis

被引：47
|
作者：
Jiao, D [1 ]
Lu, MY [1 ]
Michielssen, E [1 ]
Jin, JM [1 ]
机构：
[1] Univ Illinois, Dept Elect & Comp Engn, Ctr Comutat Electromagnet, Urbana, IL 61801 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2001年 / 49卷 / 10期
关键词：
boundary integral equations; finite element methods; electromagnetic scattering; electromagnetic transient analysis;
D O I：
10.1109/8.954934
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：
A time-domain, finite element-boundary integral (FE-BI) method is presented for analyzing electromagnetic (EM) scattering from two-dimensional (2-D) inhomogeneous objects. The scheme's finite-element component expands transverse fields in terms of a pair of orthogonal vector basis functions and is coupled to its boundary integral component in such a way that the resultant finite element mass matrix is diagonal, and more importantly, the method delivers solutions that are free of spurious modes. The boundary integrals are computed using the multilevel plane-wave time-domain algorithm to enable the simulation of large-scale scattering phenomena. Numerical results demonstrate the capabilities and accuracy of the proposed hybrid scheme.
引用
收藏
页码：1453 / 1461
页数：9
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