应用计算流体力学(CFD)方法对转动坐标系下的三维环形密封流场进行了准稳态数值模拟，在此基础上进行了转子动力系数的计算。
Three dimensional annular seal flow field was simulated quasi-steadily with computational fluid dynamics (CFD) method in a rotating reference frame. The Rotordynamic coefficients were calculated.
本文采用一多功能流体动力学计算软件，详细计算分析了NASA低速离心压气机叶轮内部的三维速度场。
Based on a multifunctional CFD software, the three-dimensional velocity field within the impeller of NASA low-speed centrifugal compressor is computed in detail in this paper.
对露天矿边坡分二维和三维分别讨论了它们的动力问题解析解，说明了能利用解析解来比较精确地计算露天矿边坡的稳定性。
It separately discusses the analytic solutions about planar and three-dimension, so we can calculate the stability open cast side-slopes using analytic solutions.
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