Abaqus

Note that we have very few Abaqus research licenses. Please only use Abaqus if you have specifically spoken to the BisonNet team (bisonnet@bucknell.edu) about your usage.

Scratch Directory

By default, Abaqus uses /tmp as its scratch directory, but that directory is not very large and is shared by all users. It’s recommended that you create your own scratch directory with the command:

mkdir ~/abaqustmp

and then specify that directory with your Abaqus command:

abaqus scratch=$HOME/abaqustmp

Memory Usage

You should specify the memory that Abaqus will use using the --mem-per-cpu parameter to the SLURM workload manager and the memory= option to Abaqus. For example:

#SBATCH --mem-per-cpu=8192 # memory per core
abaqus memory="6 gb"

Note that the --mem-per-cpu value should always exceed the memory= value. See the full example below for more details.

CPU Core Usage

You should specify the number of CPU cores Abaqus will use using the -n parameter to the SLURM workload manager and the cpus= option to Abaqus. For example:

#SBATCH -n 4 # number of cores
abaqus cpus=$SLURM_NTASKS

The $SLURM_NTASKS uses the value from #SBATCH -n to allocate the correct number of CPU cores.

Full Example Job Script

Here’s a full example job script for running Abaqus

#!/bin/bash 
#SBATCH -p short # partition (queue) 
#SBATCH -N 1 # number of nodes (don't change this value)
#SBATCH -n 4 # number of cores 
#SBATCH --mem-per-cpu=8192 # memory per core 
#SBATCH --job-name="abaqusjob" # job name 
#SBATCH -o slurm.%N.%j.stdout.txt # STDOUT 
#SBATCH -e slurm.%N.%j.stderr.txt # STDERR 
#SBATCH --mail-user=username@bucknell.edu # address to email 
#SBATCH --mail-type=ALL # mail events (NONE, BEGIN, END, FAIL, ALL) 

# required for Abaqus and SLURM
unset SLURM_GTIDS

module load SIMULIA 
abaqus job=jobname cpus=$SLURM_NTASKS input=file.inp scratch=$HOME/abaqustmp memory="6 gb" interactive