| 并行计算在弧形翼弹数值仿真中的应用 |
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| 引用本文： | 郑健,周长省,张磊. 并行计算在弧形翼弹数值仿真中的应用[J]. 计算机仿真, 2008, 25(4): 69-72 |
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| 作者姓名： | 郑健 周长省 张磊 |
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| 作者单位： | 南京理工大学机械工程学院,江苏,南京,210094 |
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| 摘 要： | 在以MPICH技术构建的局域网集群系统下,利用并行计算程序进行了超声速弧形翼-身组合体的三维绕流流场数值仿真,得到了弧形翼射弹的流场信息;并且通过对不同数量网格在集群不同结点数目下的计算结果进行分析比较,得出了加速比和并行效率随结点数目变化的规律,发现大规模网格在加速比和并行效率方面性能优越,更适合集群系统的并行计算,同时验证了此集群系统在数值仿真应用中的有效性和优越性,为进行大规模科学工程计算提供了技术支持.
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| 关 键 词： | 数值仿真 弧形翼 并行计算 计算流体力学 |
| 文章编号： | 1006-9348(2008)04-0069-03 |
| 修稿时间： | 2007-04-03 |
Application of Parallel Computation in Numerical Simulation of Projectile with Wrap-Around Fins |
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| ZHENG Jian,ZHOU Chang-sheng,ZHANG Lei. Application of Parallel Computation in Numerical Simulation of Projectile with Wrap-Around Fins[J]. Computer Simulation, 2008, 25(4): 69-72 |
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| Authors: | ZHENG Jian ZHOU Chang-sheng ZHANG Lei |
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| Affiliation: | ZHENG Jian,ZHOU Chang-sheng,ZHANG Lei(School of Mechanical , Engineering,Nanjing University of Science , Technology,Nanjing Jiangsu 210094,China) |
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| Abstract: | A parallel cluster system based on workstation local area network platform was set up by MPICH specification.Numerical simulation and parallel computation of three dimensional flow field of supersonic projectile with wrap-around fins is done using the parallel cluster system.The flow field of the projectile with WAF is achieved.By analyzing the results obtained from different mesh numbers and computing nodes,the rule of accelerated ratio and parallel efficiency with regard to different nodes numbers are obt... |
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| Keywords: | Numerical simulation Wrap-around fin Parallel computation Computational fluid dynamics |
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