OpenFOAM

$ module avail OpenFOAM
---------------- /data/Apps/Modules/Software ------------
OpenFOAM/4.1 

#!/bin/bash

#PBS -l nodes=2:ppn=24
#PBS -l walltime=90:00
#PBS -N openfoam_example
#PBS -abe
#PBS -M EMAIL@kennesaw.edu
# PBS -j oe

module load OpenFOAM

NPROCS=`wc -l < $PBS_NODEFILE`
cd /path/to/your/openfoam/case/dir
mpirun -np $NPROCS -machinefile $PBS_NODEFILE {openfoamSolverName} -parallel

exit 0

$ qsub openfoam.ppbs

Visit OpenFOAM website.