Sparse direct solution of the electric field integral equation using nonoverlapped localizing logos modes

A sparse direct solver for the electric field integral equation is demonstrated for electromagnetic scattering from perfectly conducting targets of fairly large electrical size. For the geometries considered, numerical experiments demonstrate that both the memory and CPU costs of the reported factor...

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Bibliographic Details
Published in:Microwave and optical technology letters 2008-02, Vol.50 (2), p.303-307
Main Authors: Xu, Y., Xu, X., Adams, R. J., Gedney, S. D., Canning, F. X
Format: Article
Language:English
Subjects:
integral equations
method of moments
sparse factorization
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Summary:A sparse direct solver for the electric field integral equation is demonstrated for electromagnetic scattering from perfectly conducting targets of fairly large electrical size. For the geometries considered, numerical experiments demonstrate that both the memory and CPU costs of the reported factorization algorithm are significantly less than those required for standard direct solution methods. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 303–307, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23068
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.23068