ON PARALLEL COMPUTATION AND WAVE PROPAGATION

机译：关于并行计算和波传播

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Massive parallel computers have become more attractive for advanced numerical simulations since standad libraries for communication and synchronisation; for example MPI have facilitated program development. The present paper discuss two parallel explicit time integration methods for wave propagation problems; the central difference method and the explicit version of the P1-P1 Discontinuous Galerkin (DG) method. Based on the MIMD model, where data decomposition is accomplished by element-based grid partitioning, parallel versions of both algorithms have been implemented, using the same paradigm for inter-process communication. Numerical example are illustrated and the achieved performance of the algorithms is discussed.

机译：自从用于通信和同步的标准库以来，大规模并行计算机对高级数值模拟变得越来越有吸引力。例如，MPI促进了程序开发。本文讨论了两种并行的求解波传播问题的显式时间积分方法。中心差分法和P1-P1间断Galerkin（DG）方法的显式版本。基于MIMD模型（其中数据分解是通过基于元素的网格分区来完成的），两种算法的并行版本已经实现，使用相同的范例进行进程间通信。数值算例说明了算法的性能。

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来源
《International Conference on Trends in Computational Structural Mechanics May 20-23, 2001 Schloss Hofen, Lake Constance》|2001年|p.447-458|共12页
会议地点 Schloss Hofen(AT)
作者
Torbjoern Ekevid; Nils-Erik Wiberg;
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作者单位

Department of Structural Mechanics Chalmers University of Technology S-412 96 Goeteborg, Sweden;

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会议组织
原文格式 PDF
正文语种 eng
中图分类建筑科学;
关键词
parallel computing; explicit time integration; finite element method; wave propagation; structural dynamics;

机译：并行计算；显式时间积分；有限元法；波传播；结构动力学;

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