Direct Force Field User Manual

DFF8 User Guide

Rev. 2026.08.09

Copyright 2000-2026 © Aeon Technology

Usage of the Direct Force Field software including this documentation is restricted to purposes in accordance with the Direct Force Field license agreement. Direct Force Field is a trademark of Aeon Technology.

GROMACS is software licensed under the GNU General Public License. The main distribution site is at https://www.gromacs.org.

LAMMPS is distributed as open source code under the terms of the GPL. LAMMPS is distributed by Sandia National Laboratories, a US Department of Energy laboratory, at https://www.lammps.org.