ACCURATE AND EFFICIENT COMPUTATION OF MoM MATRIX INVOLVING 2D TRIANGULAR BASIS FUNCTION WITH LINE MATCHING

Author:

CHUA ENG KEE1,SEE KYE YAK1,LIU ZHI HONG1

Affiliation:

1. School of Electrical and Electronic Engineering, Nanyang Technological University, No. 50, Block S1, Nanyang Avenue, Singapore 639798, Singapore

Abstract

To speed up the matrix-fill time of Method of Moments (MoM) matrix, an approximate analytical expression for the integration of the Green's function involving two-dimensional triangular basis function with line matching has been derived. A full approximate expression is first obtained through direct integration of the Taylor's series expansion of the Green's function. Based on the distance between the source and observation points, a criterion is established to reduce the full expression to a much-simplified expression. The simplified expression improves the computational efficiency further to fill up the MoM matrix without compromising the solution accuracy.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computational Mathematics,Computer Science (miscellaneous)

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