Hey Guys (the devs in particular),
Do you think in a future release, you might make it possible to specify isotope fractions by weight fractions as well?
Hi Terry- You just need to give wo="…" instead of ao="…" on a element. See:
http://mit-crpg.github.io/openmc/usersguide/input.html#material-element
Best regards,
Paul
Huh, I could have sworn I read that article…weird…