INCOMPRESSIBLE-FLOW PAST A CIRCULAR-CYLINDER - DEPENDENCE OF THE COMPUTED FLOW-FIELD ON THE LOCATION OF THE LATERAL BOUNDARIES

被引：132
作者：
BEHR, M [1 ]
HASTREITER, D [1 ]
MITTAL, S [1 ]
TEZDUYAR, TE [1 ]
机构：
[1] UNIV MINNESOTA, AHPCRC, AEM, INST SUPERCOMP, MINNEAPOLIS, MN 55415 USA
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 1995年 / 123卷 / 1-4期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0045-7825(94)00736-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the location of the lateral boundaries on 2D computation of unsteady incompressible flow past a circular cylinder is investigated. The case of Reynolds number 100 is used as a benchmark, and several quantities characterizing the unsteady flow are obtained for a range of lateral boundary locations. The computations are performed with two distinct finite element formulations - space-time velocity-pressure formulation and velocity-pressure-stress formulation. We conclude that the distance between the cylinder and the lateral boundaries can have a significant effect on the Strouhal number and other flow quantities. The minimum distance at which this influence vanishes has been found to be larger than what is commonly assumed.
引用
收藏
页码：309 / 316
页数：8
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