Numerical exploration of new features on three-dimensional transition of a cylinder wake

被引：0
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作者：
LING Guocan XIONG Jun ZHU KeqinState Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences Beijing China [100080 ]
Department of Engineering Mechanics Tsinghua University Beijing China [100084 ]
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来源：
ScienceinChina,SerA. | 2004年 / Ser.A.2004(S1)卷 / S1期
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O242 [数学模拟、近似计算];
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摘要：
<正> The three-dimensional transition of the wake flow behind a circular cylinder is studied in detail by direct numerical simulations using 3D incompressible N-S equations for Reynolds number ranging from 200 to 300. New features and vortex dynamics of the 3D transition of the wake are found and investigated. At Re = 200, the flow pattern is characterized by mode A instability. However, the spanwise characteristic length of the cylinder determines the transition features. Particularly for the specific spanwise charac-
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页码：69 / 80
页数：12
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