Abstract
We propose a scheme for studying static and dynamic contact angles using a phase field model. The theoretical description is based on the Navier-Stokes equation with extra phase field terms and the continuity equation. In this model free of interface conditions, the contact angle can be controlled through the boundary conditions for the density field at the solid walls. Finally, we report on 2D numerical simulations for drops resting on a flat horizontal solid support and for drops running down on an inclined substrate under gravity effects.
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