I downloaded all the date libraries from the command lines in here: GitHub - openmc-data-storage/openmc_data_downloader: A Python package for downloading h5 cross section files for use in OpenMC. and I get this error when running the code: [image]

Could not find nuclide U235

Shimwell October 31, 2022, 10:45am 11

Congrats on that.

Here is the monthly meet up link, first post in this thread