Error Invalid fix style (../modify.cpp:714)

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1

I have this

dimension 3
boundary p p p
units real

neigh_modify delay 0 every 1 check yes

lattice fcc 5.2
Lattice spacing in x,y,z = 5.2 5.2 5.2
region 1 cylinder x 0.0 0.0 10 0 20
region 2 block -100.0 100.0 -100.0 100.0 -100.0 100.0 units box

atom_style atomic
create_box 2 2
Created orthogonal box = (-100 -100 -100) to (100 100 100)
1 by 1 by 1 MPI processor grid

pair_style lj/cut 2.5
pair_modify mix arithmetic # shift yes

mass 1 196.97

create_atoms 1 region 1
Created 24356 atoms
group parti region 1
24356 atoms in group parti
fix 2 parti rigid
ERROR: Invalid fix style (…/modify.cpp:714)

2

Alexa,
You need to build Lammps with the rigid package. See restrictions section at:
http://lammps.sandia.gov/doc/fix_rigid.html

Saludos,

Carlos

3

Try building lammps with RIGID package.

Oleg

23.11.13, 21:47, "Alexa M Gonzalez Rosario" <[email protected]...>":

4

I used the RIGID package but I still receiving the same error.

5

The usual comment apply:
1-) Did you generate a new binary after adding the RIGID package to the sources?
If you didn’t install lammps on your system better talk to whoever did it. That person will understand better what to do after reading this and other previous suggestions you have received. Additionally, make sure you install the latest version to avoid future problems.
Carlos