detailed cad model and simulations of the zpre (zero power reflector-moderated reactor experiment at elevated temperature, sometimes refered to in documentation as the pr-mark I (pratt and whitney mark I).), operated by oak ridge national laboratory 1957
Work-in-progress cad model of the zpre can be found here on onshape.
Note that this work and the cad model is under the GNU General Public License v3.0
CAD_to_openMC is an open-source package to convert CAD geometry (in the form of '.step' files) into an openmc-readable h5m file
These simulations use openmc. Automated source installation scripts for linux can be found here
First, clone the repository
git clone https://github.com/openmsr/zpre.git
Second, enter the zpre folder and run the run.sh script
cd zpre
bash run.sh