数值模拟放置附属圆柱的主圆柱绕流

J4 ›› 2012, Vol. 50 ›› Issue (01): 69-72.

数值模拟放置附属圆柱的主圆柱绕流

谭玲燕

吉林大学数学学院, 长春 130012

收稿日期:2011-05-25 出版日期:2012-01-26 发布日期:2012-03-06
通讯作者: 谭玲燕 E-mail:tanly07@mails.jlu.edu.cn

Numerical Simulation of Flow Past a Main Cylinderwith an Affiliated Cylinder

TAN Lingyan

College of Mathematics, Jilin University, Changchun 130012, China

Received:2011-05-25 Online:2012-01-26 Published:2012-03-06
Contact: TAN Lingyan E-mail:tanly07@mails.jlu.edu.cn

摘要/Abstract

摘要：

利用格子Boltzmann方法, 对主圆柱尾流区域内放置附属圆柱的绕流进行数值模拟. 结果表明: 放置单个附属圆柱时, 主圆柱所受阻力减小, 阻力
系数发生周期性改变; 放置两个附属圆柱的减阻效果更好.

关键词: 格子Boltzmann方法；附属圆柱；圆柱绕流

Abstract:

The flow around a main cylinder affiliated by cylinders in the near wake of the main cylinder was simulated by means of lattice Boltzmann method. It was found that the drag coefficient of the main cylinder with a single affiliated cylinder was decreased. The variant drag coefficient changed periodically. The drag coefficient of the main cylinder is further decreased if two affiliated cylinders were placed near the wake of the main cylinder.

Key words: lattice Boltzmann method, affiliated cylinder, flow around circular cylinder

中图分类号:

O357.1

谭玲燕. 数值模拟放置附属圆柱的主圆柱绕流[J]. J4, 2012, 50(01): 69-72.

TAN Lingyan. Numerical Simulation of Flow Past a Main Cylinderwith an Affiliated Cylinder[J]. J4, 2012, 50(01): 69-72.