Transient analysis of electromagnetic wave interactions on high-contrast scatterers using volume electric field integral equation

Sadeed B Sayed, Huseyin Arda Ulku, Hakan Bagci

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A marching on-in-time (MOT)-based time domain volume electric field integral equation (TD-VEFIE) solver is proposed for accurate and stable analysis of electromagnetic wave interactions on high-contrast scatterers. The stability is achieved using band-limited but two-sided (non-causal) temporal interpolation functions and an extrapolation scheme to cast the time marching into a causal form. The extrapolation scheme is designed to be highly accurate for oscillating and exponentially decaying fields, hence it accurately captures the physical behavior of the resonant modes that are excited inside the dielectric scatterer. Numerical results demonstrate that the resulting MOT scheme maintains its stability as the number of resonant modes increases with the contrast of the scatterer.
Original languageEnglish (US)
Title of host publication2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages751-752
Number of pages2
ISBN (Print)9781479935406
DOIs
StatePublished - Jul 2014

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