An Equivalent Dipole-Moment Method Based Multilevel Fast Multipole Algorithm for Dielectric Objects

被引：0
|
作者：
Chen, Xinlei [1 ]
Gu, Changqing [1 ]
Ding, Ji [1 ]
Deng, Xiaoqiao [1 ]
Niu, Zhenyi [1 ]
Li, Zhuo [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210016, Jiangsu, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2012年 / 27卷 / 05期
关键词：
Equivalent dipole-moment method (EDM); multilevel fast multipole algorithm (MLFMA); volume integral equation (VIE); ELECTROMAGNETIC SCATTERING; EFFICIENT GENERATION; HALF-SPACE; BODIES;
D O I：
暂无
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：
An equivalent dipole-moment method (EDM) based multilevel fast multipole algorithm (MLFMA), namely EDM-MLFMA, is proposed for the electromagnetic scattering from three-dimensional (3D) dielectric objects. In this scheme, the MLFMA is employed to accelerate the interactions of equivalent dipoles in the far regions by expanding the 3D dyadic Green's function into a multipole expression. The memory requirement and CPU time of the conventional EDM are reduced from O(N-2) to O(N log N), where N is the number of unknowns. Numerical results are presented to validate the efficiency and accuracy of this method.
引用
收藏
页码：408 / 412
页数：5
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