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A comparison of the performance of finite difference time-domain, finite element time-domain, and discrete surface integral equation methods on high performance parallel computers

机译：高性能并行计算机上有限差分时域，有限元时域和离散表面积分方程方法的性能比较

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摘要

Volume based time-domain methods have played a pronounced role in the modeling of the interaction of electromagnetic waves within complex media. Currently a number of highly robust and computationally efficient techniques are in use. Those of interest to this paper are the finite difference time-domain (FDTD) method, the finite element time-domain (FETD) method, and the discrete surface integral equation (DSI) method. The purpose of this paper is to provide a comparison of the performance of the FDTD, FETD, and DSI techniques on high performance distributed memory parallel computers. Efficient parallel algorithms for each method based on spatial (domain) decomposition techniques is presented. The comparison of the techniques is based on: computational efficiency, memory requirements, accuracy, and scalability on parallel computers. To this end, a number of numerical examples based on the analysis of printed microwave circuits and antennas are presented.
机译：基于体积的时域方法在复杂介质中电磁波相互作用的建模中发挥了重要作用。当前，许多高鲁棒性和计算效率高的技术正在使用中。本文感兴趣的是有限差分时域（FDTD）方法，有限元时域（FETD）方法和离散表面积分方程（DSI）方法。本文的目的是提供FDTD，FETD和DSI技术在高性能分布式内存并行计算机上的性能比较。提出了基于空间（域）分解技术的每种方法的高效并行算法。这些技术的比较基于：并行计算机上的计算效率，内存需求，准确性和可伸缩性。为此，提出了许多基于印刷微波电路和天线分析的数值示例。

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