History forces and the unsteady wake of a cylinder

被引：5
|
作者：
Chaplin, JR [1 ]
机构：
[1] City Univ London, Dept Civil Engn, London EC1V 0HB, England
来源：
JOURNAL OF FLUID MECHANICS | 1999年 / 393卷
关键词：
D O I：
10.1017/S0022112099005480
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
History forces on a stationary cylinder in arbitrary unsteady rectilinear flow are calculated by means of a model based on the asymptotic properties of the steady-state wake. The results capture many features found in numerical solutions of the Navier-Stokes equation for the same flows, though quantitative agreement deteriorates as the Reynolds number increases over the range 2 to 40. The cases studied are the impulsive start, stop, and reverse, and oscillatory flow.
引用
收藏
页码：99 / 121
页数：23
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