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Analysis of general 3-D PEC structures using improved CPFDTD algorithm

Research output: Contribution to journalArticle

Original languageEnglish
Pages1753 - 1754
JournalElectronics Letters
Journal publication date28 Sep 1995
Journal issue20
Volume31
DOIs
StatePublished

Abstract

The contour path finite difference time domain (CPFDTD) method, employing locally distorted integration contours, has been shown to give accurate results for curved three-dimensional metal structures. The numerical stability of this scheme is not, however, guaranteed and significant skill is required to generate an appropriate grid. The authors present a modification to the three-dimensional CPFDTD method which ensures stability and which permits simple generation of the locally distorted grid. The accuracy of the scheme is demonstrated through the calculation of the resonant frequencies of circular cylindrical and spherical resonators

Additional information

Sponsorship: The authors thank J. McCeehan for the provision of facilities within the Centre for Communications Research. We also thank J.B. Schneider of Washington State University for many helpful discussions. Publisher: Institution of Electrical Engineers (IEE)

Research areas

  • finite difference time domain method (FDTD)

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