<P> In fluid dynamics, the no - slip condition for viscous fluids assumes that at a solid boundary, the fluid will have zero velocity relative to the boundary . </P> <P> The fluid velocity at all fluid--solid boundaries is equal to that of the solid boundary . Conceptually, one can think of the outermost molecules of fluid as stuck to the surfaces past which it flows . Because the solution is prescribed at given locations, this is an example of a Dirichlet boundary condition . </P>

What is no slip condition in fluid mechanics
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