Parallel fast multipole method for large-scale computation of electromagnetic scattering

Yaojiang Zhang, Fang Wu, E. Li
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Abstract

Parallel fast multipole method is developed for radar cross section (RCS) computation of large targets on multiple processor systems. The sparse matrices in fast multipole method (FMM) are calculated and stored in distributed processors and message passing interface (MPI) is used to perform the matrix-vector product in parallel iterative solvor. The accuracy of the code is verified by comparison with the results of benchmark targets. Either the computational complexity or speed-up ratio of parallel FMM and MoM are compared.
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大规模电磁散射计算的并行快速多极子法
针对多处理机系统上大型目标雷达截面计算问题,提出了并行快速多极子方法。将快速多极法(FMM)中的稀疏矩阵计算并存储在分布式处理器中,并使用消息传递接口(MPI)在并行迭代求解中进行矩阵向量积。通过与基准目标结果的比较,验证了代码的准确性。比较了并行FMM和MoM的计算复杂度和加速比。
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