If there are no shear stresses present, there is no fluid deformation ... This is called the no-slip condition. Figure 7. Velocity profile in a boundary layer. The most powerful consequence of the ...

Discrete Spatial Control of Wall Shear Stress in a Turbulent Boundary Layer, (with G.L.Brown), Proceedings of the International Conference on Near-Wall Turbulent Flows, Tempe, AZ, March 15-17, 1993, ...