A fast higher-order time-domain finite element-boundary integral method for 3-D electromagnetic scattering analysis

Dan Jiao, A. Arif Ergin, Balasubramaniam Shanker, Eric Michielssen, Jian Ming Jin

Research output: Contribution to journalArticle

Abstract

A novel hybrid time-domain finite element-boundary integral method for analyzing three-dimensional (3-D) electromagnetic scattering phenomena is presented. The method couples finite element and boundary integral field representations in a way that results in a sparse system matrix and solutions that are devoid of spurious modes. To accurately represent the unknown fields, the scheme employs higher-order vector basis functions defined on curvilinear tetrahedral elements. To handle problems involving electrically large objects, the multilevel plane-wave time-domain algorithm is used to accelerate the evaluation of the boundary integrals. Numerical results demonstrate the accuracy and versatility of the proposed scheme.

Original languageEnglish (US)
Pages (from-to)1192-1202
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume50
Issue number9
DOIs
StatePublished - Sep 1 2002

Keywords

  • Electromagnetic scattering
  • Finite-element method
  • Higher-order method
  • Transient analysis

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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