Numerical simulation of viscous flows through multistage transonic fans was carried out.
进行了多级跨音速风扇粘性流动的数值模拟研究。
A numerical method for the simulation of quasi-3D steady and unsteady viscous flows in cascades has been presented.
本文给出了一个模拟叶栅内准三维定常和非定常粘性流动的数值方法。
Aerodynamic characteristics of 2d wing in viscous flows in the presence of ground effect were investigated by CFD techniques.
本文采用CFD技术，对存在地面效应时二维机翼在粘性流场中的空气动力特性进行了研究。
The moving grids are attached to the wing and are generated at every time step in the calculation for the unsteady viscous flows.
在计算非定常流动时采用贴体运动网格，每一个时间步长生成一次。
In this paper, multigrid fictitious boundary method(MFBM)is applied to direct numerical simulation of vortex-induced motions of multi-cylinders in viscous flows.
本研究利用多重网格虚拟边界有限元法（MFBM）数值模拟多圆柱涡激运动问题。
However, the accuracy of preconditioned schemes was not satisfied because of the poor performance of stability of preconditioning techniques used in viscous flows.
然而，对于粘性流，预处理计算稳定性较差，从而影响了计算精度。
Unsteady viscous flows over the gliding flap of Multi-element airfoils are simulated and studied by using the moving overlapped grids and the dual-time stepping method.
运用动态嵌套网格技术和双时间推进算法，对多段翼型襟翼滑动的非定常黏性流进行了数值模拟和研究。
Common boundary conditions, especially the inlet and wall conditions of ship viscous flows, are analyzed and corresponding measures of giving inlet values and satisfying wall condition are presented.
本文分析了船舶粘性绕流中常用的边界条件，特别是入口边界条件和壁面边界条件，就如何给定入口边界条件、如何满足壁面边界条件给出了相应的解决方案。
Common boundary conditions, especially the inlet and wall conditions of ship viscous flows, are analyzed and corresponding measures of giving inlet values and satisfying wall condition are presented.
本文分析了船舶粘性绕流中常用的边界条件，特别是入口边界条件和壁面边界条件，就如何给定入口边界条件、如何满足壁面边界条件给出了相应的解决方案。
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