Hybridization of SBR and FEM for Scattering by Large Bodies with Cracks and Cavities

Jian Ming Jin, Sean S. Ni, Shung Wu Lee

Research output: Contribution to journalArticle

Abstract

This technique employs the shooting-and-bouncing-ray (SBR) method to compute the scattering from the large bodies with the cracks and cavities filled with perfect conductors and the finite-element method (FEM) to characterize the cracks and cavities whose openings are covered with perfect conductors. A coupling scheme is then developed to combine these two methods in such a manner that i) it includes all significant interactions and ii) it permits the SBR and FEM to be computed separately. This results in an efficient and accurate computation of the scattering by large bodies with cracks and cavities. Several numerical results are presented, demonstrating the accuracy, efficiency, and capability of the technique. A robust hybrid technique is presented for an evaluation of electromagnetic scattering by large bodies with cracks and cavities on their surfaces.

Original languageEnglish (US)
Pages (from-to)1130-1139
Number of pages10
JournalIEEE Transactions on Antennas and Propagation
Volume43
Issue number10
DOIs
StatePublished - Oct 1995

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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