NUMERICAL COMPUTATION OF THE FLOW AROUND TWO SQUARE CYLINDERS ARRANGED SIDE-BY-SIDE

被引：0
|
作者：
陈素琴
顾明
黄自萍
机构：
来源：
Applied Mathematics and Mechanics(English Edition) | 2000年 / 02期
关键词：
wake interference; square cylinders in side_by_side arrangement; N_S equations; MAC method;
D O I：
暂无
中图分类号：
U442 [勘测、设计与计算];
学科分类号：
0814 ; 081406 ;
摘要：
The numerical method is used to calculate the flow around two square cylinders arranged side_by_side and the mean and fluctuating aerodynamic forces, and Strouhal numbers and power spectrum of lift force and drag force are obtained. An improved MAC method proposed by Chen Suqin et al.,which uses three order upwind scheme to discretize the convection term and uses multigrid method to solve the Poisson equation for pressure is applied to simulate the flow around two square cylinders arranged side_by_side. Results show that the interference characteristic of two square cylinders arranged side_by_side is completely different with the different spacing ratio. When the spacing ratio is smaller than a certain critical value, the gap flow between two cylinders is biased to one side in a stable or unstable manner.
引用
收藏
页码：147 / 164
页数：18
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