An efficient explicit marching on in time solver for magnetic field volume integral equation

Sadeed B Sayed, Huseyin Arda Ulku, Hakan Bagci

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

1 Scopus citations

Abstract

An efficient explicit marching on in time (MOT) scheme for solving the magnetic field volume integral equation is proposed. The MOT system is cast in the form of an ordinary differential equation and is integrated in time using a PE(CE)m multistep scheme. At each time step, a system with a Gram matrix is solved for the predicted/corrected field expansion coefficients. Depending on the type of spatial testing scheme Gram matrix is sparse or consists of blocks with only diagonal entries regardless of the time step size. Consequently, the resulting MOT scheme is more efficient than its implicit counterparts, which call for inversion of fuller matrix system at lower frequencies. Numerical results, which demonstrate the efficiency, accuracy, and stability of the proposed MOT scheme, are presented.
Original languageEnglish (US)
Title of host publication2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1816-1817
Number of pages2
ISBN (Print)9781479978151
DOIs
StatePublished - Oct 26 2015

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