This is a proper realflow job to get proper control of what you are wanting to do...

Import the model (triangulated only)
Fill the object the fluid and adjust viscosity
Add Gravity and adjust
put a nice plane poly on the floor for the particles to react
simulate, and check
simulate, and check
simulate, and check
simulate, and check
simulate, and check
simulate, and check
create a mesh from the particles
import new mesh and test
adjust in RF if need be
create a mesh from the particles
import new mesh and test
adjust in RF if need be
create a mesh from the particles
import new mesh and test

W00t cool melting animation