电大尺寸辐射问题的预修正多层快速多极子分析

doi:10.3969/j.issn.1001-2400.2010.03.021

Abstract

Abstract:

For increasing the solution speed of the radiation problem using the multilevel fast multipole algorithm, a novel pre-corrected method is presented. It generates a small impedance matrix in the local region near the feed point and evaluates the local surface current, which could approximately describe the characteristic near the excited point. The difference between the unknown and the local current approaches the zero vector more than the unknown current itself. So it needs fewer iterations by using the difference as the unknown vector to get the solution. With consistent precision, the analysis of the numerical results shows that this method could decrease the number of iterations and reduce the time of solution by 40%~50%.

Key words: pre-corrected method, multilevel fast multipole algorithm, radiation problem

WANG Yuan-yuan;XIE Yong-jun;WANG Peng. Analysis of the electrical large radiation problem with the pre-corrected multilevel fast multipole algorithm[J].J4, 2010, 37(3): 502-506.

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Analysis of the electrical large radiation problem with the pre-corrected multilevel fast multipole algorithm

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