leapfrog algorithm

Hello,

I am new in this software,so need help

How to include leapfrog algorith in lammps

How to make simulation box pressure is zero

How to create vacuum in simulation box

Thank you

Hello,
I am new in this software,so need help

so you should first and foremost read the documentation and study the
provided examples.

How to include leapfrog algorith in lammps

doesn't exist. it would require programming a new integrator style.

How to make simulation box pressure is zero

by using a fix that adjusts the size of the box according to the pressure.

How to create vacuum in simulation box

by deleting atoms or changing the box dimensions