help needed to write input script

Sir
I’m a new user to lammps. I’m using feb 8 2019 lammps window software. I want to simulate BiMnO3 piezoelectric ceramic of certain composition and determine it’s piezoelectric behavior using buckingham potential . Please guide me how to start writing the input script

Sir
I’m a new user to lammps. I’m using feb 8 2019 lammps window software. I want to simulate BiMnO3 piezoelectric ceramic of certain composition and determine it’s piezoelectric behavior using buckingham potential . Please guide me how to start writing the input script

please see:
https://lammps.sandia.gov/tutorials.html

https://lammps.sandia.gov/doc/Commands.html

axel.

one more:
https://lammps.sandia.gov/prepost.html
(This last link is necessary in case you eventually want to include
bonded interactions (bonded constraints) between atoms in your system.
Bonds, angles, dihedrals, and impropers are currently listed in a
LAMMPS' "DATA" file. Data files are also useful if you have
complicated geometry or complicated bond topology. The above link
includes a list of software that can build these data files.)

-Andrew