General Information

The ANSYS software package is developed and distributed by ANSYS, Inc..

Details of the HLRN Installation of ANSYS

The ANSYS versions currently installed are

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Example Jobscripts

This allows for the batch system to start the job only, when the appropriate number of licenses is available.
You can check the availability yourself: scontrol show lic
aa_t_a is a "ANSYS Academic Teaching License" with a maximum of 16 tasks.
aa_r is a "ANSYS Academic Research License" with 16 inclusive tasks. Research jobs with more than 16 tasks cost additional "aa_r_hpc" licenses.

The use of Ansys is restricted to members of the ansys user group. You can apply to become a group member at support[at]hlrn.de
Please note: Our licenses are restricted to students, PhD students, teachers and trainers of public institutions. They cannot be used in projects that are financed by industrial partners.

General Information

Documentation and Tutorials

Example Jobscripts

Example input files e.g. StaticMixer.def can be found at $CFXROOT/examples (after loading the Ansys module).

#!/bin/bash
#SBATCH -t 00:10:00
#SBATCH --nodes=2
#SBATCH --ntasks-per-node=4096
#SBATCH -L ansys
#SBATCH -p medium40standard96:test
#SBATCH --mail-type=ALL
#SBATCH --job-name=StaticMixer

module load ansys/2019r22023r2
# also supported by & successfully tested with:
# ml ansys/2023r1
# ml ansys/2022r2
 
source $ANSYSLIC_DIR/cfx5solve_redef_with_student_lic
 
## create list of hosts in calculation
srun hostname -s > hostlist.$SLURM_JOB_ID
 
## format the host list for cfx
cfxhostlist=`tr '\n' ',' < hostlist.$SLURM_JOB_ID`
 
echo $cfxhostlist
 
# start the solver
cfx5solve -def StaticMixer.def -start-method "Intel MPI Distributed Parallel" \
-double -affinity "explicit" -par-dist "$cfxhostlist"

echo '#################### CFX finished ############'
sleep 2
rm hostlist.$SLURM_JOB_ID

...

#!/bin/bash
#SBATCH --time=01:00:00
#SBATCH --nodes=1
#SBATCH --ntasks-per-node=16	
#SBATCH --licenses=ansys:16 
# match number to nodes*ntasks-per-node
#SBATCH --partition=standard96:test
#SBATCH --job-name=testjob

hostlist_per_cfx5solve=$SLURM_JOB_NODELIST"*8"
echo "hostlist_per_cfx5solve "$hostlist_per_cfx5solve

module load ansys/2020r2
# cfx5solve -help

# start the solver
cfx5solve -def StaticMixerA.def -start-method "Intel MPI Distributed Parallel" \
        -double -par-dist "$hostlist_per_cfx5solve" -name $SLURM_JOB_NAME.$SLURM_JOB_ID.a &

echo "first cfx5solve is running in background"

cfx5solve -def StaticMixerB.def -start-method "Intel MPI Distributed Parallel" \
        -double -affinity "explicit" -par-dist "$hostlist_per_cfx5solve" -name $SLURM_JOB_NAME.$SLURM_JOB_ID.b 

# wait for all children processes (background jobs) to finish
wait

echo '#################### CFX finished ############'

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