LAMMPS is a great program and may allow you to get finer granularity in your particle definitions. Both LBM and DPD are mesoscopic methods. LBM uses solutions to the Navier-Stokes equation on a lattice, whereas DPD is essentially coarse-grained MD with momentum conservation allowing flow. DPD will allow you to define particles types more easily to simulate more complex materials in your system.

Here is a presentation with additional information:

http://www.aer.mw.tum.de/fileadmin/tumwaer/www/pdf/lehre/microfluid/Microfluidics-chap02.pdf

Perhaps publications from members of this group can give you further direction.

http://www.dam.brown.edu/dpd/doku.php/start

Lattice Boltzmann Method software may be one possibility. This solves fluid equations to see how the fluid acts on particles in the flow.

https://en.wikipedia.org/wiki/Lattice_Boltzmann_methods

http://optilb.org/openlb/welcome

Thanks for the links, I checked those and actually found it similar to LAMMPS(http://lammps.sandia.gov/)

In case of simplicity of defining potentials and flexibility of implementing boundary conditions for dissipative particle dynamics simulation, does it have any significant advantage over LAMMPS?

LAMMPS is a great program and may allow you to get finer granularity in your particle definitions. Both LBM and DPD are mesoscopic methods. LBM uses solutions to the Navier-Stokes equation on a lattice, whereas DPD is essentially coarse-grained MD with momentum conservation allowing flow. DPD will allow you to define particles types more easily to simulate more complex materials in your system.

Here is a presentation with additional information:

http://www.aer.mw.tum.de/fileadmin/tumwaer/www/pdf/lehre/microfluid/Microfluidics-chap02.pdf

Perhaps publications from members of this group can give you further direction.

http://www.dam.brown.edu/dpd/doku.php/start