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Note that all moving walls are no-slip; the other shear conditions are relevant only for stationary walls.
Wall functions for turbulence are not used with the Specified Shear option.
For multiphase granular ow, you can specify the specularity coecient such that when the value is zero, this condition is equivalent to zero shear at the wall, but when the value is near unity, there is a signi cant amount of lateral momentum transfer.

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