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

页码：99 / 121

页数：23

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