Disc body particle

LAMMPS LAMMPS Beginners
1

Hello sir,
i want to create body particles as disc. From documentation of body particles ,i implement this code

units lj
dimension 2
boundary p p p
atom_style body rounded/polygon 1 10
read_data data.disc
create_atoms 1 random 1 48134 NULL

from documentation, for disc body particle read data file is

1 1 10
1
1 1 4.5 0 0 0
0 0 0
3.0
data.disc.txt (36 Bytes)

but always this error resulted.

LAMMPS (3 Aug 2022)
OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (src/comm.cpp:98)
using 1 OpenMP thread(s) per MPI task
Loaded 1 plugins from C:\Users\ZAHID\AppData\Local\LAMMPS 64-bit 3Aug2022\plugins

ERROR: Cannot open file data.disc: No such file or directory (src/read_data.cpp:331)
Last command: read_data data.disc

where i am wrong with my data file?

2

Your file is named data.disc.txt, but you try to read a file named data.disc

3

On Windows, I would suggest adjusting the File Explorer view settings to always show the file extensions. That would prevent this confusion in the future.