Fluent example script for SLURM

Below a simple script for running Fluent v16.2 in parallel job using 4 nodes each 36 cores:

 
 #!/bin/bash
 #SBATCH --partition cpus
 #SBATCH --job-name=EXAMPLE_JOB
 #SBATCH --output EXAMPLE_JOB.output
 #SBATCH -N 4
 #SBATCH --ntasks-per-node 36
 #SBATCH --time=60:00 
 
 # N=4*--ntasks-per-node=36=144
 TASKS=144
 OPTIONS=" -cflush -nmon -mpi=openmpi"
 JOURNAL=example_journal_file.jou
 
 # Loading MPI variables
 module load hyp/mpi/intel/4.1.3
 
 # Loading Fluent 16.2 variables
 module load hyp/commercial/fluent/16.2
 
 # DON'T CHANGE BELOW THIS LINE
 export FLUENT_ENABLE_SLURM_SUPPORT=1
 scontrol show hostname $SLURM_JOB_NODELIST > nodes_list
   
 fluent 3ddp -g -$OPTIONS -t$TASKS -cnf=nodes_list -i$JOURNAL -ssh > fluent.log