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Comparison of semi-analytical formulations and Gaussian-quadrature rules for quasi-static double-surface potential integrals

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4 Author(s)
Zhongde Wang ; Dept. of Electr. & Comput. Eng., Michigan Univ., Ann Arbor, MI, USA ; Volakis, J. ; Saitou, K. ; Kurabayashi, K.

This paper presents a comparison of a new semi-analytical expression with Gaussian-quadrature formulas for the quasi-static double-surface potential integrals arising in the boundary integral (BI) models of micron-size objects, such as RF-MEMS switches. The integrals considered are the quasi-static Green's functions for the scalar and vector potentials, with constant or linear basis functions over triangular subdomains. The examples given illustrate that the new semi-analytical formulations can achieve significantly higher solution accuracy and are more efficient when compared to the Gaussian-quadrature formulas.

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Antennas and Propagation Magazine, IEEE  (Volume:45 ,  Issue: 6 )