| LBGK模型的分布式并行算法及实现 |
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| 引用本文： | 蔡群,李青.LBGK模型的分布式并行算法及实现[J].计算机工程与设计,2008,29(22). |
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| 作者姓名： | 蔡群 李青 |
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| 作者单位： | 1. 金陵科技学院,信息技术学院,江苏,南京,210001
2. 上海大学,计算机工程与科学学院,上海,200072 |
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| 摘 要： | 在计算流体力学领域中,由于流场求解的复杂性,设计出高效的并行算法成为了流场并行化计算的研究重点.以格子Boltzmann方法的理论应用为研究背景,把并行思想和格子Boltzmann方法在模拟流体流动中的计算问题结合起来,讨论了格子Boitzmann方法LBGK D2Q9模型的计算过程和计算特点.研究并实现了LBGK模型的分布式并行算法,并在自强3000上进行了算法的并行性能的分析和测试.结果表明,格子Boltzmann方法LBGKD2Q9模型适合大规模的并行计算,能提高计算的精度和速度,解决复杂流场计算问题.
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| 关 键 词： | 格子模型方法 流场模拟 并行计算 分布式 消息传递接口 |
Distributed parallel computing for LBGK mod and it's implementation |
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| CAI Qun,LI Qing.Distributed parallel computing for LBGK mod and it's implementation[J].Computer Engineering and Design,2008,29(22). |
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| Authors: | CAI Qun LI Qing |
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| Affiliation: | CAI Qun1,LI Qing2(1.School of Information Technology,Jinling Institute of Technology,Nanjing 210001,China,2.College of Mechatronics Engineering , Automation,Shanghai University,Shanghai 200072,China) |
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| Abstract: | In the CFD field,as the complexity,designing a high-effect parallel algorithm has become the research point of flow distribution computation.The theory makes lattice Boltzmann method's application as the studying background,combines parallel thought with lattice Boltzmann method in the computation of simulating a fluid.The courses and characteristics of the computation based on the model D2Q9 of Lattice Boltzmann Method was discussed.The research of distributed parallel computing arithmetic for lattice Bolt... |
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| Keywords: | lattice boltzmann method flows simulate parallel computing distributed message passing interface(MPI) |
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