Fast solution methods in electromagnetics

Weng Cho Chew, Jian Ming Jin, Cai Cheng Lu, Eric Michielssen, Jiming M. Song Ieee

Research output: Contribution to journalArticlepeer-review

248 Citations (SciVal)


Various methods for efficiently solving electromagnetic problems are presented. Electromagnetic scattering problems can be roughly classified into surface and volume problems, while fast methods are either differential or integral equation based. The resultant systems of linear equations are either solved directly or iteratively. A review of various differential equation solvers, their complexities, and memory requirements is given. The issues of grid dispersion and hybridization with integral equation solvers are discussed. Several fast integral equation solvers for surface and volume scatterers are presented. These solvers have reduced computational complexities and memory requirements.

Original languageEnglish
Pages (from-to)533-543
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Issue number3
StatePublished - 1997

Bibliographical note

Funding Information:
Manuscript received April 4, 1996; revised September 30, 1996. This work was supported in part by AFOSR under Grant F49620-96-1-0025, as well as by from ONR and NSF. The authors are with the Center for Computational Electromagnetics, Department of Electrical and Computer Engineering, University of Illinois, Urbana, IL 61801 USA. Publisher Item Identifier S 0018-926X(97)02302-8.


  • Numerical methods

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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