LAMMPS (27 Nov 2018)
  using 1 OpenMP thread(s) per MPI task
# pouring 3d rounded polyhedron bodies

variable    steps index 6000

units       lj
boundary    p p fm
comm_modify vel yes

atom_style  body rounded/polyhedron 1 8
atom_modify map array

region		reg block 0 50 0 50 0 50 units box
create_box	4 reg
Created orthogonal box = (0 0 0) to (50 50 50)
  1 by 2 by 2 MPI processor grid

variable cut_inner  equal 0.5
variable k_n        equal 100
variable k_na       equal 5
variable c_n        equal 20
variable c_t        equal 5
variable mu         equal 0
variable A_ua       equal 1

pair_style body/rounded/polyhedron ${c_n} ${c_t} ${mu} ${A_ua} ${cut_inner}
pair_style body/rounded/polyhedron 20 ${c_t} ${mu} ${A_ua} ${cut_inner}
pair_style body/rounded/polyhedron 20 5 ${mu} ${A_ua} ${cut_inner}
pair_style body/rounded/polyhedron 20 5 0 ${A_ua} ${cut_inner}
pair_style body/rounded/polyhedron 20 5 0 1 ${cut_inner}
pair_style body/rounded/polyhedron 20 5 0 1 0.5
pair_coeff * * ${k_n} ${k_na}
pair_coeff * * 100 ${k_na}
pair_coeff * * 100 5

neighbor     0.5 bin
neigh_modify every 1 delay 0 check yes

timestep     0.001

fix          1 all nve/body
fix          2 all gravity 1.0 spherical 0.0 -180.0

molecule     object molecule.cube molecule.tetra toff 1              molecule.rod3d toff 2 molecule.point3d toff 3
Read molecule object:
  1 atoms with max type 1
  0 bonds with max type 0
  0 angles with max type 0
  0 dihedrals with max type 0
  0 impropers with max type 0
Read molecule object:
  1 atoms with max type 2
  0 bonds with max type 0
  0 angles with max type 0
  0 dihedrals with max type 0
  0 impropers with max type 0
Read molecule object:
  1 atoms with max type 3
  0 bonds with max type 0
  0 angles with max type 0
  0 dihedrals with max type 0
  0 impropers with max type 0
Read molecule object:
  1 atoms with max type 4
  0 bonds with max type 0
  0 angles with max type 0
  0 dihedrals with max type 0
  0 impropers with max type 0

region       slab block 5 45 5 45 25 35 units box
fix          ins all pour 500 0 4767548 vol 0.4 10 region slab mol object              molfrac 0.25 0.25 0.25 0.25
ERROR: Unknown fix style pour (src/modify.cpp:898)
Last command: fix          ins all pour 500 0 4767548 vol 0.4 10 region slab mol object              molfrac 0.25 0.25 0.25 0.25