Three-dimensional instability of an oscillating viscous flow past a circular cylinder

被引：0
|
作者：
Lu, XY [1 ]
Ling, GC
机构：
[1] Univ Sci & Technol China, Dept Mech Engn & Mech, Hefei 230026, Peoples R China
[2] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China
来源：
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION | 2003年 / 24卷 / 07期
关键词：
Navier-Stokes equation; Reynolds number; Keulegan-Carpenter number; Morison equation;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A systematically numerical study of the sinusoidally oscillating viscous flow around a circular cylinder was performed to investigate vortical instability by solving the three-dimensional incompressible Navier-Stokes equations. The transition from two- to three-dimensional flow structures along the axial direction due to the vortical instability appears, and the three- dimensional structures lie alternatively on the two sides of the cylinder. Numerical study has been taken for the Keulegan-Carpenter( KC) numbers from I to 3.2 and frequency parameters from 100 to 600. The force behaviors are also studied by solving the Morison equation. Calculated results agree well with experimental data and theoretical prediction.
引用
收藏
页码：791 / 800
页数：10
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