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An FDTD Method with FFT-Accelerated Exact Absorbing Boundary Conditions
Conference proceeding

An FDTD Method with FFT-Accelerated Exact Absorbing Boundary Conditions

Kostyantyn Sirenko, Hakan Bagci and IEEE
2011 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (APSURSI), pp.2315-2318
IEEE Antennas and Propagation Society International Symposium
01/01/2011
DOI: https://doi.org/10.1109/APS.2011.5996982

Abstract

Engineering Engineering, Electrical & Electronic Science & Technology Technology
An accurate and efficient finite-difference time-domain (FDTD) method for analyzing axially symmetric structures is presented. The method achieves its accuracy and efficiency using exact absorbing conditions (EACs) for terminating the computation domain and a blocked-FFT based scheme for accelerating the computation of the temporal convolutions present in non-local EACs. The method is shown to be especially useful in characterization of long-duration resonant wave interactions.

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