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Numerical simulation of hydrodynamic pressure on vibrating plates through differential quadrature method with fluid-structure interaction
Author(s): 
Pages: 767-773
Year: Issue:  6
Journal: ADVANCES IN WATER SCIENCE

Keyword:  Navier-Stokes方程动水压力流体-结构相互作用微分求积法;
Abstract: 采用微分求积法(DQ)在流体-结构相互作用(FSI)框架下求解原变量形式的Navier-Stokes(N-S)方程和板的弯曲振动方程,获取作用在弹性板上的动水压力场.分析对象是4块矩形板组成的箱型流道,其中两块为弹性薄板,另外两块为刚性板.为比较FSI对动水压力场的影响,数值结果给出了1.5m×0.5m×0.2m流道、来流雷诺数分别为7000和10000、相应DQ网格为25×25×25和29×29×29考虑FSI与否的压力分布.数值计算结果表明,所建立的考虑FSI的DQ法数值求解原变量形式N-S方程和弹性板振动方程,获取弹性板上的动水压力场是可行的,FSI效应对动水压力场的影响是明显的.
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