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A comparison of the properties of radiating boundary conditions in the FDTD method for finite discretisation and non-planar waves

Research output: Contribution to journalArticle

Original languageEnglish
Pages276 - 281
JournalIEEE Transactions on Antennas and Propagation
Journal publication dateFeb 1994
Volume42
Journal issue2
DOIs
StatePublished

Abstract

The availability of effective radiating boundary conditions (RBCs) for use with the finite difference time domain (FDTD) method is essential for the efficient application of the technique to scattering and radiation problems. The majority of published analyses of the behaviour of various RBCs are restricted to the case of plane wave incidence and infinitely fine discretisation, situations which never occur in practice. In the present contribution, the behaviour of RBCs in realistic situations is presented and it is shown that the plane wave behaviour is not a good guide as to the behaviour in practical cases. The best RBC for use in general cases is discussed

Additional information

Sponsorship: We would like to thank Professor J. P. McGeehan of the Centre for Communications Research, University of Bristol for the provision of facilities for this work. Terms of use: Copyright © 1994 IEEE. Reprinted from IEEE Transactions on Antennas and Propagation. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it. Publisher: Institute of Electrical and Electronics Engineers (IEEE)

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