Nanocrystal in Lammps


I am wondering if anyone can give me some instructions regarding generation of nanocrystaline structure by Voronoi tesselation using Lammps. or Do I need any other software to create polycrystal and later on read by Lammps? Please enlighten me regarding this issue. Look forward to hear from you soon.

Thanks in advance.

M. Rahman

The latter is the case. LAMMPS views this as
a pre-processing step for complex geometries: create your
atoms/geometry with some
other tool, then input them to LAMMPS in a data