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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >Effective boundary condition for a quasi-Newtonian viscous fluid at a slightly rough boundary starting from a Navier condition
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Effective boundary condition for a quasi-Newtonian viscous fluid at a slightly rough boundary starting from a Navier condition

机译:从Navier条件开始,在稍微粗糙的边界上的拟牛顿粘性流体的有效边界条件

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摘要

We consider the quasi-Newtonian flow in a domain with a periodic rough bottom Gamma(epsilon) of period of order the small parameter epsilon and amplitude delta(epsilon), such that delta(epsilon) epsilon. The flow is described by the 3D incompressible non-Newtonian Navier-Stokes system where the viscosity is given by the non linear power law which is widely used for dilatant fluids ( shear thickening).
机译:我们考虑一个周期为周期的粗糙底伽马(ε)的域的拟牛顿流,该周期的周期为小参数epsilon和幅值delta(epsilon),使得delta(epsilon) epsilon。流动由3D不可压缩的非牛顿Navier-Stokes系统描述,其中粘度由非线性幂定律给出,该定律广泛用于膨胀流体(剪切增稠)。

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