Accurate FMM-CG-FFT algorithm for efficient analysis of large-scale periodic structures with finite sizes

W. Lu, T. Cui
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引用次数: 1

Abstract

In this paper, a new fast and accurate algorithm is specially designed to solve the scattering and radiation problem of large-scale periodic structures with finite sizes, in which the unit cell has an arbitrary shape. The new method which is referred as FMM-CG-FFT employs the priority of both the fast multiple method (FMM) and the conjugate-gradient fast Fourier transform (CG-FFT). Numerical results prove the efficiency and accuracy of the new algorithm.
精确FMM-CG-FFT算法用于有限尺寸大尺度周期结构的高效分析
本文针对具有任意形状的大尺度周期结构的散射和辐射问题,设计了一种新的快速、精确的算法。FMM-CG-FFT方法结合了快速多重变换(FMM)和共轭梯度快速傅里叶变换(CG-FFT)的优点。数值结果证明了该算法的有效性和准确性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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