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A Separated Potential Integral Equation for Low-Frequency PMCHWT

Das, Arkaprovo and Gope, Dipanjan (2015) A Separated Potential Integral Equation for Low-Frequency PMCHWT. In: Computational Electromagnetics International Workshop (CEM), JUL 01-04, 2015, Izmir, TURKEY, pp. 40-41.

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The conventional PMCHWT method for solving multi-region dielectric problems at low frequencies gives rise to an ill-conditioned method of moments matrix when solved using the traditional RWG basis. This leads to problems in iterative convergence in a fast solver framework, namely large iteration count or inaccuracies in the solution. To alleviate the problem, quasi-Helmholtz decomposition by loop-tree or loop-star bases is often performed. However, it is a time-inefficient process to extract loops from complex real-world structures containing multiple holes and handles. To avoid this bottleneck, a separated potential integral equation formulation is proposed (SPIE-PMCHWT) in this paper for solving low frequency ill-conditioning of PMCHWT problems.

Item Type: Conference Proceedings
Publisher: IEEE
Additional Information: Copy right of this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 24 Aug 2016 10:19
Last Modified: 24 Aug 2016 10:19
URI: http://eprints.iisc.ac.in/id/eprint/54505

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