TurbulentFlow

Everything is based on running from the Polaris Supercomputer from the ALCF at Argonne National Laboratory

To download Nek5000

cd ~
wget https://github.com/Nek5000/Nek5000/archive/refs/heads/master.zip
unzip master.zip
mv Nek5000-master Nek5000
rm master.zip
export PATH=$HOME/Nek5000/bin:$PATH
cd ~/Nek5000/tools
module load PrgEnv-gnu

Polaris supercomputer had an issue with it being called gfortran so we had to create a symlink, Can ignore if you have gfortran :

	mkdir -p ~/bin
    ln -sf /usr/bin/gfortran-13 ~/bin/gfortran
    export PATH=~/bin:$PATH

The last part of downloading Nek5000

cd ~/Nek5000/tools
./maketools genmap

I added this to the ~/.bash_profile for simplicity:

PATH=$PATH:$HOME/.local/bin:$HOME/bin:$HOME/Nek5000/bin
module swap PrgEnv-nvhpc PrgEnv-gnu

export CC="mpicc"
export FC="mpif90"
export FCFLAGS="-fPIC"
export FFLAGS="-fPIC"
export CFLAGS="-fPIC"
export CXXFLAGS="-fPIC"
export LDFLAGS="-Wl,--no-relax"
export PATH

export LD_LIBRARY_PATH=/opt/cray/pe/ccdb/5.0.2/lib:$LD_LIBRARY_PATH

^ you may need to change this library path for your own setup, but this is the path for Polaris

TO TEST NEK5000

cd ~
wget https://github.com/Nek5000/NekExamples/archive/refs/heads/master.zip
unzip master.zip
mv NekExamples-master NekExamples
rm master.zip
cp -r ~/NekExamples/eddy_uv .
cd eddy_uv
genmap              # on input type eddy_uv, then enter for default 
makenek eddy_uv             	
./nek5000			# works always, default to this if no gpu
nekbmpi eddy_uv 2	# run this if you have a gpu
tail logfile        
visnek eddy_uv      # produces the eddy_uv.nek5000 file

You can scp it onto your actual machine and run to visualize data

visit -o eddy_uv.nek5000

For some reason SESSION.NAME was missing sometimes. So here it is:

eddy_uv
/home/<username>/eddy_uv/

^ Should just be your working directory

These folders are not needed anymore:

cd ..
rm -r eddy_uv/
rm -r NekExamples/

TO DOWNLOAD THE PROJECT

cd ~
git clone https://github.com/cmaloney111/TurbulentFlow.git
cd TurbulentFlow/rans/
python -m pip install -r requirements.txt

To test just type

gmsh

If you got a libglu error follow the steps below, if nothing happened then it worked.

To load ligblu for POLARIS

cd ~
wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
bash miniconda.sh
source ~/.bash_profile
conda install -c conda-forge libglu

TO RUN

vim run_rans.py       	#change airfoils_to_process to whichever ones you want
python run_rans.py