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- The governing equations are the usual Navier-Stockes equations for the unsteady flow. 推导了控制方程在特定坐标系空间的表达,给出了适当的边界条件。
- Dual time-stepping approach in conjunction with LU-SGS implicit method was used to solve the unsteady flow fields. 非定常流场计算采用了双时间步法与LU-SGS隐式解法耦合的方法。
- The unsteady flow fields in baffled stirred vessel were simulated by unstructured tetrahedral mesh and sliding grid technique. 摘要采用非结构化四面体单元，利用滑移网格技术模拟了搅拌设备内的非定常流场。
- The unsteady flow indicates that the upstream wake can influence the boundary layer,wake and leakage flow of the downstream flow. 另外,非定常结果流动图画显示,在非定常环境下上游周期性尾迹的通过对下游叶片边界层、尾迹以及叶尖泄漏流的发展都有一定影响。
- The results of numerical simulation demonstrated the development of the unsteady flow field, and the unsteady waves and vortexes were discussed. 数值模拟结果形象地反应了非定常流场的演变，详细讨论了激波和涡等的发展变化过程。
- The unsteady flow in oil pipeline can be effectively analysed by use of different numerical methods as well as computers. 输油管道中油品的不稳定流动问题,可以采用各种数值法并借助计算机进行有效分析。
- A hydraulic model was developed to analyze the unsteady flow of a water supply system with long pipelines and an overflow weir. 在长距离输水管路出口设置溢流堰可以有效控制水击和防止管路脱空。
- The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method. 采用参数多项式方法和振荡流体力学理论,求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
- Unsteady flow characteristics of cascade were analyzed in this thesis by means of numerical simulating the unsteady vortices characteristics in two dimensional cascade flow field. 本文应用数值仿真手段分析了某压气机静子叶栅的非定常流动特性,对二维平面叶栅流场非定常涡系进行了数值模拟分析;
- The unsteady flow field of a high-load transonic compressor was numerically simulated at its working site, while the aerodynamic interaction of rotor-stator was analyzed in detail. 摘要采用数值方法对某型高负荷跨声速压气机在工作点的非定常流场进行了模拟，对级内动静叶的气动干扰进行了深入分析。
- For the special fluid problem, we use the multidomain algorithm with moving grids to resolve the moving boundaries problem, and simulate the unsteady flow by the dual time stepping method. 对于此类问题的特殊性，使用了带有移动 网格的分区算法 解决流场中的动边界问题，使用双时间步长的算法模 拟非定常运动。
- The dual time step procedure is used to simulate the unsteady flow through a one-stage compressor, and the result reveals that there are complex unsteady flow structures in the blade passage. 上游叶片排尾迹对下游叶片通道流动影响很大，它增加边界层损失，并在通道中与主流发生强烈掺混，最终使得出口流场及损失分布较为均匀。
- A numerical method is developed to simulate the unsteady flows involving moving boundaries. 发展了可用于模拟包含运动边界的非定常流动的数值方法。
- A Study on the Unsteady Flow in a Helical Pipe 圆截面螺旋管道内非定常流动研究
- Numerical study of the unsteady flow in a plane compressor cascade 平面压气机叶栅非定常流动的数值研究
- The Unsteady Flow Field Calculation with a Dual-time Stepping Method 双时间隐式方法求解非定常绕流的相关问题
- Computational analysis of the unsteady flow induced by the interference between a moving body and a moving shock wave 运动物体与运动激波干扰流场特性数值研究
- The position of the unsteady flow computation in the compressor and turbine design and analysis process 非定常流计算在压气机及涡轮设计及分析过程中的地位
- Numerical analysis for the unsteady flow and casing treatment in a low speed centrifugal compressor 低速离心压气机非稳态流和机匣处理的数值分析
- Exact solutions for the unsteady flow of generalized second grade fluid over a flat plate 广义二阶流体平板不定常流动的解析解
