Complex Envelope Four-Stage ADI-FDTD Algorithm for Narrowband Electromagnetic Applications

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IEEE-Inst Electrical Electronics Engineers Inc

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info:eu-repo/semantics/closedAccess

Abstract

Unconditionally stable, complex envelope, four-stage alternating-direction-implicit, finite-difference time-domain (CE-4S-ADI-FDTD) algorithm is presented for modeling band-limited electromagnetic applications. The algorithm is based on the exponential splitting operator procedure. It has been observed that the proposed algorithm outperforms both the conventional 4S-ADI-FDTD and the CE-ADI-FDTD formulations.

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Alternating direction implicit (ADI), complex envelope finite-difference time domain (CE-FDTC), perfectly matched layer (PML)

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Ieee Antennas and Wireless Propagation Letters

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8

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