LIGGGHTS

LIGGGHTS® - LAMMPS Improved for General Granular and Granular Heat Transfer Simulations - is a discrete element method (DEM) particle simulation software. LIGGGHTS® is part of the CFDEM®project and is based on the molecular dynamics simulation code LAMMPS.

Disclaimer

This is an academic adaptation of the LIGGGHTS® software package, released by the Department of Particulate Flow Modelling at Johannes Kepler University in Linz, Austria. LIGGGHTS® and CFDEM® are registered trademarks, and this offering is not approved or endorsed by DCS Computing GmbH, the official producer of the LIGGGHTS® and CFDEM®coupling software.

Installation

This is a short summary of how to install LIGGGHTS on Linux. A more comprehensive guide can be found in the documentation.

Install prerequisites

sudo apt-get install build-essential cmake openmpi-bin libopenmpi-dev python-dev

We recommend installing LIGGGHTS to a directory named CFDEM, especially when used with CFDEMcoupling.

cd
mkdir -p CFDEM
cd CFDEM

Clone or download the LIGGGHTS source from the repository.

Build LIGGGHTS with CMake

cd LIGGGHTS
mkdir -p src-build
cd src-build
cmake ../src/
make

Build LIGGGHTS with make

cd LIGGGHTS
mkdir -p src-build
cd src
make fedora
cp lmp_fedora ../src-build/liggghts

Add an alias

You may want to create a permanent alias for the executable.

gedit ~/.bashrc &
alias liggghts='~/CFDEM/LIGGGHTS/src-build/liggghts'
source ~/.bashrc

Getting Started

Navigate to the tutorials folder to run the chute_wear example case

cd ~/CFDEM/LIGGGHTS/examples/LIGGGHTS/Tutorials_public/chute_wear

Start the simulation by typing

liggghts -in in.chute_wear

License

• This software is distributed under the GNU General Public License.
• Copyright © 2009- JKU Linz
• Copyright © 2012-2015 DCS Computing GmbH, Linz
• Copyright © 2003 Sandia Corporation. Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certain rights in this software.