  We study equilibrium properties of polymer films and droplets on a solid
substrate employing particle-based simulation techniques (Molecular Dynamics)
and a continuum description. Parameter-passing techniques are explored that
facilitate a detailed comparison of the two models. In particular, the
liquid-vapor, solid-liquid and solid-vapor interface tensions, and the
Derjaguin or disjoining pressure are determined by Molecular Dynamics
simulations. This information is then introduced into continuum descriptions
accounting for (i) the full curvature and (ii) a long-wave approximation of the
curvature (thin film model). A comparison of the dependence of the contact
angle on droplet size indicates that the theories agree well if the contact
angles are defined in a compatible manner.
