摘要
利用ADINA有限元计算软件建立基于N-S控制方程的圆柱绕流三维数学模型,模拟不可压缩粘性流体中单个固定圆柱的绕流问题,计算不同雷诺数(Re)条件下圆柱绕流的压力系数、升阻力系数和Strouhal数等相关参数。通过与物理模型试验结果的对比对该数学模型进行验证,进一步分析在大雷诺数条件下圆柱绕流的三维效应。
ADINA finite element software is used to establish 3D numerical model for flow around cylinder on the basis of N-S control equation, carry out numerical simulation for the flow around a fixed cylinder in incompressible viscous fluid, calculate the pressure coefficient, lifting resistance coefficient and Strouhal number based on different Reynolds numbers （Re）. In addition, the numerical model is compared with the result of physical model test so as to verify its effect. The 3I） effect for the flow around a cylinder is analyzed further under the condition of high Reynolds number.
出处
《港工技术》
2012年第6期1-4,共4页
Port Engineering Technology
基金
国家自然科学基金(50809047)
关键词
ADINA有限元软件
圆柱绕流
三维数值模拟
N—S控制方程
模型验证
ADINA finite element
flow around cylinder
three-dimensional（3D） numerical simulation
N-S control equation
model verification
