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具有挡板的管流中Karman涡街的并行格子Boltzmann模拟

Parallel Lattice Boltzmann Simulation of Karman Vortex in Pipe Flow with Baffle
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摘要 本文应用格子Boltzmann方法对具有挡板二维管道中的Karman涡街进行了数值模拟,采用并行计算模式得到了在不同雷诺数不同时间步的情况下的涡线图,计算结果较好地再现了已有的数值结果。 In this paper, the lattice Boltzmann method is used to simulate the Karman vortex in the two-di- mensional pipe with baffle. The parallel scheme is used to obtain the vorticity contours in the case of different Reynolds numbers at different time steps. The calculated results reproduce the existing numerical results rather well.
作者 张建影 闫广武 Jianying Zhang;Guangwu Yan(School of Basic Sciences, Changchun University of Technology, Changchun Jilin;College of Mathematics, Jilin University, Changchun Jilin)
出处 《流体动力学》 2017年第2期69-75,共7页 International Journal of Fluid Dynamics
基金 国家自然科学基金(No. 11602033, No. 11272133)资助。
关键词 格子BOLTZMANN方法 并行计算 二维平板绕流 Karman涡街 Lattice Boltzmann Method Parallel Computing Two-Dimensional Baffle Flow Karman VortexStreet
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