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Analysis of scattering by combined conducting and dielectric bodies using single integral equation method and fast multipole method

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3 Author(s)
Pai Wang ; Sch. of Electron. Eng. & Comput. Sci., Peking Univ., Beijing, China ; Mingyao Xia ; Lezhu Zhou

In this paper, a single integral equation (SIE) method is developed to analyze the electromagnetic scattering from 3D combined conducting and dielectric objects. Compared with the conventional coupled integral equations method, the SIE method reduces the number of unknowns by a factor of two for dielectric bodies and has faster convergence for an iterative solution. Fast multipole method (FMM) is incorporated to reduce the computing complexity and memory requirement. Numerical results show that the proposed single integral equation method enhanced by fast multipole method (SIE-FMM) is accurate and efficient for analysis of scattering by composite dielectric and conducting objects.

Published in:

Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings  (Volume:5 )

Date of Conference:

4-7 Dec. 2005