DocumentCode :
1219092
Title :
A Generalized Surface Integral Equation Formulation for Analysis of Complex Electromagnetic Systems
Author :
Xiao, Gaobiao ; Mao, Jun-Fa ; Yuan, Bin
Author_Institution :
Shanghai Jiao Tong Univ., Shanghai
Volume :
57
Issue :
3
fYear :
2009
fDate :
3/1/2009 12:00:00 AM
Firstpage :
701
Lastpage :
710
Abstract :
A novel method is presented to analyze the electromagnetic characteristics of systems consisting of a large number of scatterers with different shapes and materials. In the method, nearly located scatterers are grouped together, while large bulk materials are divided into subblocks with adequate sizes. A scatterer group or a subblock forms a basic block of the system, and each block is contained with a virtual reference surface. A generalized transition matrix defined on the reference surface is used to characterize the electromagnetic characteristics of the block. The generalized transition matrix relates the rotated tangential components of the scattered fields or the equivalence sources to the rotated tangential components of the incident fields directly. The generalized transition matrix can be calculated for each block independently using proper methods according to its structure and material. Surface integral equations are established on all the virtual reference surfaces, which can be solved by moment method to get the electromagnetic characteristics of the whole system. Characteristic basis functions and synthetic basis functions can be applied to further reduce the unknown number, while fast multipole method can be used to accelerate the evaluation of interactions. Two-dimensional examples are provided to verify the method.
Keywords :
electromagnetic wave scattering; integral equations; matrix algebra; method of moments; characteristic basis function; complex electromagnetic system analysis; electromagnetic wave scattering; fast multipole method; generalized surface integral equation formulation; generalized transition matrix; moment method; rotated tangential component; synthetic basis function; virtual reference surface; Acceleration; Aggregates; Diakoptics; Electromagnetic analysis; Electromagnetic compatibility; Electromagnetic scattering; Integral equations; Linear systems; Moment methods; Shape; Characteristic basis function; generalized transition matrix; scattering field; synthetic basis function;
fLanguage :
English
Journal_Title :
Antennas and Propagation, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-926X
Type :
jour
DOI :
10.1109/TAP.2009.2013425
Filename :
4808289
Link To Document :
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