OpenFOAM is a free, open source computational fluid dynamics (CFD) software package released by the OpenFOAM Foundation. It has a large user base across most areas of engineering and science, from both commercial and academic organisations. OpenFOAM has an extensive range of features to solve anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics and electromagnetics.
Sample Script
#!/bin/bash
#SBATCH -N 15
#SBATCH --ntasks-per-node=4
#SBATCH --job-name=2pC
#SBATCH --error=openFOAM_D1.%J.err
#SBATCH --output=openFOAM_D1.%J.out
#SBATCH --time=12-00:00:00
#SBATCH --partition=standard
module load apps/openfoam/gcc-4.8.5/2.4.0-swak4foam-test
blockMesh
mkdir -p 0
cp -r A/* 0/
mv 0/alpha1.org 0/alpha1
setFields
rm -r Bubble_Condensation.dat
decomposePar
mpirun --mca mpi_warn_on_fork 0 -np 60 interThermalPhaseChangeFoam -parallel > log.compress
##--mca mpi_warn_on_fork 0 -machinefile