数值模拟放置附属圆柱的主圆柱绕流

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

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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

Abstract

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

CLC Number:

O357.1

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

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

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