Lattice-BGK simulation of a two-dimensional channel flow around a square cylinder

被引：1
|
作者：
Guo, WB
Wang, NC
Shi, BC [1 ]
Guo, ZL
机构：
[1] Huazhong Univ Sci & Technol, Parallel Comp Inst, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Comp Sci & Technol, Wuhan 430074, Peoples R China
[3] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
来源：
CHINESE PHYSICS | 2003年 / 12卷 / 01期
关键词：
lattice-BGK method; square cylinder; Strouhal number; drag coefficient;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The confined flow around a square cylinder mounted inside a two-dimensional channel (blockage ratio beta = 1/8) was investigated in detail by a newly developed incompressible nonuniform lattice-BGK model. It is found that the vortex shedding behind the cylinder induces periodicity in the flow field, and the periodicity of the flow will lose for Re >300. A detailed analysis for a range of Reynolds numbers between 1 and 500 was presented. Quantitative comparisons with other methods show that the model gives accurate results for complex flows.
引用
收藏
页码：67 / 74
页数：8
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