Paul Romano

Broadcasts potentially fail with large tallies

2

Some users have noticed that when running a model with very large tallies (using the current develop branch), they are getting an error at the end of the simulation when...

Windows support

15

Now that OpenMC is solely C++ and Python, there's no fundamental reason why it shouldn't work on Windows. Supporting Windows would help encourage adoption in general. Some possible steps to...

Clean up interfaces in hdf5_interface.h/cpp

2

There is a considerable amount of code duplication and code smell in these files. A refactoring could probably clean them up quite a bit. Not super important, but if someone...

ACER doesn't always respect the desired temperature `tempd`

9

I've run into what I believe is a bug in NJOY when generating data at multiple temperatures. When an ENDF tape (produced by BROADR) is fed into ACER, the `tempd`...

ACER doesn't find temperature when value is very high

5

Broadening H2 from ENDF/B-VIII.0 to T=10,000,001 K results in strange error in ACER. Namely, with the following input: ``` reconr / 20 21 'ENDF/B-8.0 PENDF for 1-H - 2 '/...

Problem processing H2 from JEF 2.2

7

I ran into a problem trying to process H2 from the JEF 2.2 library. Here's my input file: ``` reconr / 20 21 'JEFF-22.0 PENDF for 1-H - 2 '/...

This PR addresses an issue identified by @yrrepy in #2223. It's a one-line fix, but I've gone one step further to add a test that would have caught it in...

We currently have a set of RELAX NG schema files that can be used to validate XML input files. However, they've fallen quite out of date and given that nearly...

Delta tracking

7

At some point, it would be nice to have the capability to do delta tracking. Jaakko Leppanen has found that delta tracking speeds up certain problems greatly (those with high...