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首页> 外文期刊>International Journal for Numerical Methods in Fluids >Time-dependent flow across a step: the slip with friction boundary condition
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Time-dependent flow across a step: the slip with friction boundary condition

机译:跨步随时间变化的流动:具有摩擦边界条件的滑移

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摘要

The paper Studies numerically the slip with friction boundary condition in the time-dependent incompressible Navier-Stokes equations. Numerical tests oil two- and three-dimensional channel flows across a Step using this boundary condition oil the bottom wall are performed. The influence of the friction parameter oil the flow field is Studied and the results are explained according to the physics of the flow. Due to the stretching and tilting of vortices, the three-dimensional results differ in many respects from the two-dimensional ones. Copyright (c) 2005 John Wiley & Soils, Ltd.
机译:本文对时变不可压缩的Navier-Stokes方程中的带有摩擦边界条件的滑移进行了数值研究。使用该边界条件油底壁进行了跨台阶的二维和三维通道流动的数值测试。研究了摩擦参数油对流场的影响,并根据流场的物理性质解释了结果。由于涡流的拉伸和倾斜,三维结果在很多方面与二维结果不同。版权所有(c)2005 John Wiley&Soils,Ltd.

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