A Butterfly-Based Direct Integral-Equation Solver Using Hierarchical LU Factorization for Analyzing Scattering From Electrically Large Conducting Objects

A butterfly-based direct combined-field integral-equation (CFIE) solver for analyzing scattering from electrically large, perfect electrically conducting objects is presented. The proposed solver leverages the butterfly scheme to compress blocks of the hierarchical LU-factorized discretized CFIE ope...

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Bibliographic Details

Published in:	IEEE transactions on antennas and propagation Vol. 65; no. 9; pp. 4742 - 4750
Main Authors:	Han Guo, Yang Liu, Jun Hu, Michielssen, Eric
Format:	Journal Article
Language:	English
Published:	IEEE 01.09.2017
Subjects:	Antennas Butterfly scheme Computational efficiency fast direct solver Impedance Integral equations Memory management multilevel matrix decomposition algorithm randomized algorithm Scattering Two dimensional displays
ISSN:	0018-926X, 1558-2221
Online Access:	Get full text
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