Approximation of the Larger Eddies in Fluid Motion Ii: a Model for Space-filtered Flow
نویسنده
چکیده
We present two modiications of continuum models used in large eddy simulation. The rst modiication is a closure approximation which better attenuates small eddies. The second modiication is a change in the boundary conditions for the large eddy model from strict adherence to slip with resistance. For model consistency the resistance coeecient is a function of the averaging radius so that the model's boundary conditions reduce to a no-slip as the averaging radius decreases to zero.
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