基于OpenMP的FVM HLLE通量模拟二维径向溃坝的并行处理

2017 5th International Conference on Information and Communication Technology (ICoIC7) Pub Date : 2017-05-01 DOI:10.1109/ICOICT.2017.8074665

M. Pahlevi, P. H. Gunawan

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引用次数: 5

摘要

本文采用多核处理的浅水方程对二维干湿径向溃坝进行了数值模拟。这里使用的是并行计算的OpenMP。N = 800点时并行编程的CPU时间与N = 400点时串行编程的CPU时间几乎相似。采用16个处理器并行的方法，干式仿真的速度提高7.8倍，湿式仿真的速度提高8.6倍，串行的速度提高50%。这意味着使用并行的计算成本比单个处理器的平均计算成本降低了50%。

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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Parallel processing for simulating 2D radial dambreak using FVM HLLE flux on OpenMP

This paper presents the simulation of 2D dry-wet radial dambreak cases using shallow water equations on multicore processing. Here, OpenMP for parallel computing is used. The CPU time for parallel programming with N = 800 points is shown almost similar to the the CPU time for serial programming with N = 400. The speedup and efficiency using parallel with 16 processors are obtained 7.8 times for dry simulation, 8.6 times for wet simulation and 50% from the serial respectively. This means the computational cost using parallel reduces 50% from the average of computational cost by a single processor.

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2017 5th International Conference on Information and Communication Technology (ICoIC7)

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