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Articles

Application of Adaptive Integral Method To Scattering and Radiation Analysis of Arbitrarily Shaped Planar Structures

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Pages 1021-1037 | Published online: 03 Apr 2012
 

Abstract

The adaptive integral method (AIM) is applied to the scattering and radiation analysis of arbitrarily shaped planar structures. The method extends the well-known conjugate gradient fast Fourier transform (CGFFT) method to the triangular subdomain discretization, which has a much better geometry modeling capability than the rectangular subdomain discretization employed in the traditional CGFFT method. The resulting algorithm has a memory requirement proportional to O(N) and the operation count for the matrix-vector multiplication proportional to O(N log N). Numerical results are presented to demonstrate the efficiency and accuracy of this method.

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