A simple preconditioner for electric-field integral equations

Yongjun Xie; Jiangqi He; Anders Sullivan; Lawrence Carin

doi:10.1002/mop.1218

A simple preconditioner for electric-field integral equations

Yongjun Xie, Jiangqi He, Anders Sullivan, Lawrence Carin

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

A preconditioner is applied to the electric-field integral equation, to improve the convergence of iterative integral-equation solvers, such as the conjugate-gradient (CG) method. The preconditioner accounts for (expansion function)-(testing function) interactions in the vicinity of a given basis function, requiring order N complexity for N unknowns. Example results are presented for microwave scattering calculations for targets in the vicinity of a half space (soil), with results computed via a multilevel fast multipole algorithm.

Original language	English (US)
Pages (from-to)	51-54
Number of pages	4
Journal	Microwave and Optical Technology Letters
Volume	30
Issue number	1
DOIs	https://doi.org/10.1002/mop.1218
State	Published - Jan 1 2001
Externally published	Yes

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10.1002/mop.1218

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AU - He, Jiangqi

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A simple preconditioner for electric-field integral equations

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