FAST DIRECT SOLUTION OF COMPOSITE CONDUCTING-DIELECTRIC ARRAYS USING SHERMAN-MORRISON-WOODBURY ALGORITHM | Zendy

Yang Zhang | Zendy; Xinlei Chen | Zendy; Fei Chao | Zendy; Zhuo Li | Zendy; Chang Qing Gu | Zendy

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FAST DIRECT SOLUTION OF COMPOSITE CONDUCTING-DIELECTRIC ARRAYS USING SHERMAN-MORRISON-WOODBURY ALGORITHM

Author(s) -

Yang Zhang,

Xinlei Chen,

Fei Chao,

Zhuo Li,

Chang Qing Gu

Publication year - 2016

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm16071202

Subject(s) - composite number , dielectric , computer science , algorithm , materials science , optoelectronics

In this paper, the Sherman-Morrison-Woodbury (SMW) Formula-based algorithm (SMWA) is used to enable the fast direct solution of conducting-dielectric arrays. To speed up the direct solution of the matrix equation, the dense impedance matrix is transformed into a product of several block diagonal matrices via the SMW formula. In the grouping process, the situation that the elements of an array simultaneously belong to two different subgroups at peer level is avoided in order to promote the efficiency. The SMWA conducts the calculation with a respectable reduction in the computational time as well as memory.

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