An efficient FDTD algorithm with isotropic numerical dispersion on an overlapped lattice

E. A. Forgy, W. C. Chew

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

Abstract

We develop a second order algorithm for electromagnetics on an overlapped discrete lattice and compare the results with the standard Yee algorithm (1966). The algorithm maintains the locality and simplicity of the Yee algorithm while improving on errors introduced by numerical dispersion. In addition, the algorithm is stable for time steps larger than those required for the Yee algorithm. For a given physical problem and a given error bound, the algorithm is shown to require approximately half the memory of the Yee algorithm and only one half to one third the computation time due to its improved isotropic numerical dispersion and increased time step.

Original languageEnglish (US)
Title of host publicationIEEE Antennas and Propagation Society International Symposium, 1998 Digest - Antennas
Subtitle of host publicationGateways to the Global Network - Held in conjunction with: USNC/URSI National Radio Science Meeting
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1812-1815
Number of pages4
ISBN (Print)0780344782, 9780780344785
DOIs
StatePublished - 1998
Externally publishedYes
Event1998 IEEE Antennas and Propagation Society International Symposium, APSURSI 1998 - Atlanta, United States
Duration: Jun 21 1998Jun 26 1998

Publication series

NameIEEE Antennas and Propagation Society International Symposium, 1998 Digest - Antennas: Gateways to the Global Network - Held in conjunction with: USNC/URSI National Radio Science Meeting
Volume4

Other

Other1998 IEEE Antennas and Propagation Society International Symposium, APSURSI 1998
Country/TerritoryUnited States
CityAtlanta
Period6/21/986/26/98

ASJC Scopus subject areas

  • Instrumentation
  • Radiation
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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