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中文摘要：
流体域的高效精确计算是大跨空间柔性结构流固耦合问题研究的关键之一.提出对不可压缩粘性流体控制方程具有显式时间离散格式的三步SUPG稳定格式有限元法,以二维拖拽方腔流为对象,运用本方法进行不可压缩粘性流动问题的数值模拟.计算分析显示,三步SUPG稳定格式有限元方法具有较高的精度和稳定性,可应用于非定常不可压缩粘性流动和大跨柔性结构风场耦合问题中风场流动的模拟计算.
英文摘要：
The efficient stable numerical method for resolution of wind/fluid flows is essential in the problem of fluid-structure interaction.This work is concerned with the temporal discretization techniques of the stabilized finite element formulation for unsteady incompressible fluid/wind flows governed by the Navier-Stokes equations.The lid driven cavity problem is chosen for the performance evaluation of these formulations.The numerical results show that the present three step SUPG finite element strategy is com...
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