Electromagnetic Scattering from Dielectric Bodies

Tapan K. Sarkar; Ercument Arvas; Saila Ponnapalli

doi:10.1109/8.24197

Electromagnetic Scattering from Dielectric Bodies

Tapan K. Sarkar, Ercument Arvas, Saila Ponnapalli

Department of Electrical Engineering & Computer Science

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

Far-field results obtained by two different methods for the problem of electromagnetic scattering from dielectric objects are compared. The two methods are the surface integral formulation utilizing equivalent electric and magnetic surface currents and the volume formulation utilizing the equivalent electric polarization current. Triangular patches are used in the surface formulation and cubical cells are used in the volume formulation. The far-scattered fields, obtained by both the methods, are in good agreement thereby validating both the approaches for the analysis of scattering problems. The numerical problems associated with the evaluation of the fields in the source region have also been addressed.

Original language	English (US)
Pages (from-to)	673-676
Number of pages	4
Journal	IEEE Transactions on Antennas and Propagation
Volume	37
Issue number	5
DOIs	https://doi.org/10.1109/8.24197
State	Published - May 1989

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/8.24197

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AU - Arvas, Ercument

AU - Ponnapalli, Saila

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N2 - Far-field results obtained by two different methods for the problem of electromagnetic scattering from dielectric objects are compared. The two methods are the surface integral formulation utilizing equivalent electric and magnetic surface currents and the volume formulation utilizing the equivalent electric polarization current. Triangular patches are used in the surface formulation and cubical cells are used in the volume formulation. The far-scattered fields, obtained by both the methods, are in good agreement thereby validating both the approaches for the analysis of scattering problems. The numerical problems associated with the evaluation of the fields in the source region have also been addressed.

AB - Far-field results obtained by two different methods for the problem of electromagnetic scattering from dielectric objects are compared. The two methods are the surface integral formulation utilizing equivalent electric and magnetic surface currents and the volume formulation utilizing the equivalent electric polarization current. Triangular patches are used in the surface formulation and cubical cells are used in the volume formulation. The far-scattered fields, obtained by both the methods, are in good agreement thereby validating both the approaches for the analysis of scattering problems. The numerical problems associated with the evaluation of the fields in the source region have also been addressed.

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Electromagnetic Scattering from Dielectric Bodies

Abstract

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