lammps software package provides Molecular Dynamics Simulator, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install lammps
lammps is installed in your system.
Make ensure the lammps package were installed using the commands given below,
$ sudo dpkg-query -l | grep lammps *
You will get with lammps package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Science |
| Package | lammps |
| Version | 0~20140523.gite5e877d-1+b2 |
| Description | Molecular Dynamics Simulator |
| Sub Section | Science |