Computation of turbulent flow over a moving wavy boundary

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Abstract
Numerical solutions via Newton’s method of the Reynolds‐averaged Navier–Stokes equations for steady flow over a two‐dimensional wavy surface indicates that by using a simple algebraic eddy‐viscosity model, the distribution of wall pressure and shear stresses and the corresponding drag coefficients can be predicted. Computations are compared with experimental results over rigid wavy surfaces and moving flexible boundaries. For small‐amplitude wavy surfaces, computed values of the wall stresses agree well with the experimental measurements. For larger‐amplitude waves, regions of reverse flow in the trough of the wave are predicted.

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