Explicit solution of Calderon preconditioned time domain integral equations

Huseyin Arda Ulku, Hakan Bagci, Eric Michielssen

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

1 Scopus citations

Abstract

An explicit marching on-in-time (MOT) scheme for solving Calderon-preconditioned time domain integral equations is proposed. The scheme uses Rao-Wilton-Glisson and Buffa-Christiansen functions to discretize the domain and range of the integral operators and a PE(CE)m type linear multistep to march on in time. Unlike its implicit counterpart, the proposed explicit solver requires the solution of an MOT system with a Gram matrix that is sparse and well-conditioned independent of the time step size. Numerical results demonstrate that the explicit solver maintains its accuracy and stability even when the time step size is chosen as large as that typically used by an implicit solver. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013 IEEE Antennas and Propagation Society International Symposium (APSURSI)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages39-40
Number of pages2
ISBN (Print)9781467353175
DOIs
StatePublished - Jul 2013

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