Getting started on SU2

[wpurwant]

I am very new to SU2. How do I get started with a simple SU2 calculation on HPC?

How can I run a SU2 calculation in parallel?

[amoy003]

@amoy003

There are two things needed for SU2 to run – a configuration file (.cfg) and a mesh file (.su2). The mesh file needs to be in the same folder as the configuration file or at least in a location that can be specified inside the configuration file with an editor.

The configuration file will have all the input conditions and settings the user will need to run the simulation.

Tutorial examples can be found here for various cases of fluid dynamics:

su2code.github.io

The SU2 Tutorial Collection

There are several ways to run SU2 in parallel:

su2code.github.io

Execution

For running on four cores in parallel, this command would be given:

 `mpirun -n 4 SU2_CFD default.cfg`

For running on Wahab, one can use a batch submission script

enable_lmod
module load container_env su2/7.1.1
srun --mpi=pmi2 crun SU2_CFD CONFIG_FILENAME.cfg

To use the Python scripts included with SU2,

enable_lmod
module load container_env su2/7.1.1
module load python py-numpy py-scipy
export SU2_RUN=/opt/su2/bin
export SU2_MPI_COMMAND="srun --mpi=pmi2 -n %i crun %s"
shape_optimization.py -f  your_config_file.cfg -n 4