Prediction of vortex shedding from a circular cylinder using a volumetric Lattice-Boltzmann boundary approach

被引：0
作者：
Y. Li
R. Zhang
R. Shock
H. Chen
机构：
[1] Exa Corporation,
[2] 55 Network Drive,undefined
来源：
The European Physical Journal Special Topics | 2009年 / 171卷
关键词：
Vortex; Circular Cylinder; European Physical Journal Special Topic; Strouhal Number; Lattice Boltzmann Method;
D O I：
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学科分类号：
摘要：
An extended boundary scheme based on the generalized volumetric boundary algorithm for Lattice-Boltzmann method (LBM) is proposed in this paper. This approach applies a local non-equilibrium based scattering correction to the outgoing particle distributions that bounced-back from a solid surface. The correction reduces the near wall numerical smearing when enforcing the no-slip boundary condition and leads to accurate prediction of flow separations on a curved surface. A set of quantitative numerical studies of flow past a circular cylinder at low Reynolds numbers is conducted. Important flow quantities that characterize the vortex shedding phenomena behind cylinder are accurately predicted.
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页码：91 / 97
页数：6
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