  We present a numerical study of the slip link model introduced by Likhtman
for describing the dy- namics of dense polymer melts. After reviewing the
technical aspects associated with the implemen- tation of the model, we extend
previous work in several directions. The dependence of the relaxation modulus
with the slip link density and the slip link stiffness is reported. Then the
nonlinear rheolog- ical properties of the model, for a particular set of
parameters, are explored. Finally, we introduce excluded volume interactions in
a mean field such as manner in order to describe inhomogeneous systems, and we
apply this description to a simple nanocomposite model. With this extension,
the slip link model appears as a simple and generic model of a polymer melt,
that can be used as an alternative to molecular dynamics for coarse grained
simulations of complex polymeric systems.
