Two-fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water.
本文采用双流体大涡紊流模型对静水中泥沙云团下落过程进行了研究。
The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded.
阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
By studying the autocorrelation function of the probe signal, it is found that the large eddy quasi ordering structure likely exists in near wake, but there is no turbulence in far wake.
结合探针信号的自相关函数，研究流场湍流结构，发现近尾可能存在大涡拟序结构，而在远尾则没有湍流。
The curvilinear semiorthogonal coordinate system and a turbulence model considering the anisotropy of eddy-viscosity are used.
计算中采用了半正交曲线坐标系和涡粘性各向异性湍流模型。
This paper considers the new eddy viscosity modelling of shear turbulence, where the eddy viscosity is a forth-order tensor.
对剪切湍流提出了涡黏系数为四阶张量的涡黏张量模式。
In Taylor's picture, the eddy is the basic element of turbulence.
在泰勒的描述里，旋涡是湍流的基本要素。
The effects of turbulence are modeled with a simplified subgrid-scale eddy viscosity.
湍流模型采用简化的亚网格尺度湍流粘性公式。
Finally, separation flow, secondary flow and multi-scale eddy structure are simulated, it indicates that SST model can give a good prediction of turbulence in the draft tube.
计算获得了分离流、二次流和多尺度旋涡结构，表明SST模型能很好地预测尾水管内的湍流流动。
An analytical expression of dissipation integral for kinetic energy integral equation is derived by two-layer eddy viscosity turbulence model and the power law of the velocity profile.
采用两层涡粘性模型和速度剖面的指数律导出机械能方程的耗散积分解析表示式。
The turbulence eddy viscosity was simulated by B L model and region time steps with the multigrid techniques being used in the code in order to accelerate the convergence.
计算程序使用分布体力方法模拟粘性，用局部时间步长和多重网格方法加速收敛。
Study of separated flow in a diffuser using linear and nonlinear eddy-viscosity turbulence models;
讨论应用线性和非线性涡粘性湍流模式计算跨声速湍流 。
Refined grids were utilized in a large-eddy simulation (LES) model for obtaining high-resolution planetary boundary data and analyzing surface layer turbulence.
采用加密网格的大涡模式获取边界层风、温场的高分辨率模拟结果，并据以分析近地面层大气的湍流特性。
Refined grids were utilized in a large-eddy simulation (LES) model for obtaining high-resolution planetary boundary data and analyzing surface layer turbulence.
采用加密网格的大涡模式获取边界层风、温场的高分辨率模拟结果，并据以分析近地面层大气的湍流特性。
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