涡黏度
Based on the vortex blob theory suggested by ZHANG Hong-Wu, a formula of turbulent viscosity for hyper-concentrated flows is derived by using an high accuracy expression for vertical distribution of velocity.
基于张红武的紊流涡团模式和采用高精度的流速垂向分布表达式,建立起高含沙水流的紊动粘性系数计算公式。
Graphical visualization of the computational results may show features of the tested schemes about the shock wave resolution, scheme viscosity, expansion wave and the ability to simulate the process of the generation of unsteady concentrated vortex.
计算结果的图形显示可表明四个格式在激波分辨率,格式粘性、膨胀波的计算、模拟非定常集中涡产生过程的能力等方面的性质。
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