VOF simulation, drop is moving inspite of no-slip!

Srinivas

Hi all, I have a question regarding VOF simulation of water drop on solid surface. I gave no slip condition at the solid wall. the problem is, inspite of no-slip condition on the wall, the drop is moving. I am very much confused why a drop should move even if the boundary condition is no-slip. is there any expalanation for this or am I doing some thing wron in my simulation?? help is much appreciated.. thanks in advance, Srinivas Mettu