Accurate and efficient computation of the modal green’s function arising in the electric-field integral equation for a body of revolution

J.A.H.M. Vaessen, M.C. Beurden, van, A.G. Tijhuis

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Abstract

We present a computationally efficient way to compute the modal Green's function arising in the electric-field integral equation for a body of revolution. The computation of this function is time consuming due to its singular and oscillating nature, especially for high Fourier-mode indices. Efficient and accurate computation of this function is important to arrive at a fast numerical method for analyzing the scattering problem of a body of revolution. We compute the modal Green's function up to machine precision in a well-controlled way with limited effort, even for large bodies.
Original languageEnglish
Pages (from-to)3294-3303
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume60
Issue number7
DOIs
Publication statusPublished - 2012

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