Mixed Discretization of the Time Domain MFIE at Low Frequencies

Huseyin Arda Ulku, Ignace Bogaert, Kristof Cools, Francesco Paolo Andriulli, Hakan Bagci

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Solution of the magnetic field integral equation (MFIE), which is obtained by the classical marching on-in-time (MOT) scheme, becomes inaccurate when the time step is large, i.e., under low-frequency excitation. It is shown here that the inaccuracy stems from the classical MOT scheme’s failure to predict the correct scaling of the current’s Helmholtz components for large time steps. A recently proposed mixed discretization strategy is used to alleviate the inaccuracy problem by restoring the correct scaling of the current’s Helmholtz components under low-frequency excitation.
Original languageEnglish (US)
Pages (from-to)1565-1568
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume16
DOIs
StatePublished - Jan 10 2017

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