| 基于LBM的槽道流直接数值模拟 |
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| 引用本文： | 王龙,宋文萍.基于LBM的槽道流直接数值模拟[J].西北工业大学学报,2011,29(4). |
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| 作者姓名： | 王龙 宋文萍 |
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| 作者单位： | 西北工业大学翼型、叶栅空气动力学国家重点实验室,陕西西安,710072 |
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| 摘 要： | 采用格子波尔兹曼方法(Lattice Boltzmann Method,LBM),进行了槽道流动的直接数值模拟.与经典的KMM结果比较了边界层速度型、均方根速度、雷诺应力分布以及槽道流中心区的能谱,结果表明LBM具有足够的精度模拟边界层的发展以及壁面存在对流动的影响.文中的研究表明,LBM有望用于风洞洞壁干扰的数值模拟修正.
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| 关 键 词： | 槽道流 计算流体力学 模拟 风洞 Navier-Stokes方程 洞壁干扰 直接数值模拟 格子玻尔兹曼方法 |
On Feasibility of Direct Numerical Simulation of Channel Flow Based on LBM (Lattice Boltzmann Method) |
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| Wang Long,Song Wenping.On Feasibility of Direct Numerical Simulation of Channel Flow Based on LBM (Lattice Boltzmann Method)[J].Journal of Northwestern Polytechnical University,2011,29(4). |
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| Authors: | Wang Long Song Wenping |
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| Abstract: | Aim.The introduction of the full paper reviews Refs.1,2 and 3 and then proposes exploring the feasibility of direct numerical simulation;the answer,we believe,is affirmative according to our presentation in sections 1,2 and 3.Their core is that the numerical simulation results of the boundary layer velocity profile,the mean square root velocity,the Reynolds stress profile and the energy spectrum in the central channel zone display satisfactory agreements respectively with the Kim,Moin and Moser's classical ... |
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| Keywords: | channel flow computational fluid dynamics simulation wind tunnels Navier Stokes equations wind tunnel wall interference direct numerical simulation lattice Boltzmann method(LBM) |
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