On the DC loop modes in the MOT solution of the time domain EFIE

Yifei Shi, Hakan Bagci, Mingyu Lu

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

1 Scopus citations

Abstract

When marching-on-in-time (MOT) method is applied to solve the time domain electric field integral equation (TD-EFIE), DC loop modes are always observed in the solution. In theory these modes should not be observed since they do not satisfy the relaxed initial conditions. Their appearance is attributed to numerical errors. It is shown here that when Rao-Wilton-Glisson basis and Lagrange interpolation functions are used to discretize the TD-EFIE, errors due to this space-time discretization have zero impact on the DC loop modes. Numerical experiments demonstrate that the numerical errors due to approximate solution of the MOT matrix system have more dominant impact on DC loop modes in the MOT solution.
Original languageEnglish (US)
Title of host publication2014 IEEE Antennas and Propagation Society International Symposium (APSURSI)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1891-1892
Number of pages2
ISBN (Print)9781479935406
DOIs
StatePublished - Jul 2014

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