Simulation of a 2D channel flow around a square obstacle with lattice-Boltzmann (BGK) automata

被引：29

作者：

Bernsdorf, J ^{[1
]}

Zeiser, T ^{[1
]}

Brenner, G ^{[1
]}

Durst, F ^{[1
]}

机构：

[1] Univ Erlangen Nurnberg, Inst Fluid Mech, D-91058 Erlangen, Germany

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 1998年 / 9卷 / 08期

关键词：

lattice-Boltzmann; turbulent flow; square cylinder flow; Strouhal number;

D O I：

10.1142/S0129183198001047

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 [计算机应用技术]; 0835 [软件工程];

摘要：

Results for time-dependent, viscous, incompressible flows were investigated using the lattice-Boltamann (BGK) automata. The decay of a synthetic turbulent flow field and the time evolution of an initial vortex were simulated for validation purposes. The focal point was the investigation of the instationary flow around a square obstable in a two-dimensional channel for a range of Reynolds numbers between 80 and 300 and a blockage ratio of 0.125. The Strouhal number was measured for this case and found to be in the range of data given in the literature.

引用

页码：1129 / 1141

页数：13

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