Jose Ignacio Marquez Damian

Yes, I agree with @ameliajo. It is not a bug, it is exactly the expected result. When you run THERMR to process a liquid you should set icoh=0. THERMR has...

From what I see, the problem is not THERMR itself, but that multigroup codes failback to target-at-rest kinematics when they do not have thermal data. MCNP on the other hand...

Hi, sorry for the delay. I added documentation and tests. @tkittel check the documentation: is brief but more can be found in the NCrystal repo and papers (I put links)....

I prepared an implementation of sequential read of surface sources. It is [available here](https://github.com/marquezj/openmc/commit/ad3b5df657f93825c69d8ca18aefb0ad9d66d9ce). The main changes are: an index to read the source sequentially, a flag in the source...

I looked into this bug and it seems it is specific to `RegularMesh()`. I simplified the working example, and it looks that for very shallow angles of the source, combined...

I chose 10 eV as an energy where the value of the XS already is close to the free atom value, but that is not relevant. You can calculate the...

> Yes, there is clearly an issue here of how to transfer into the high energy region. Of course, one option (given that the abundancy is somehow available), is to...

One typical source of compositions for radiation transport is report [PNNL-15870](https://doi.org/10.2172/1782721). In includes many standard compositions, and other compositions that are not standard but could be used as a start...

Interesting topic. I will leave here a couple of ideas: * For the resonant scattering problem, the methodology in [Courcelle and Rowlands, 2007](https://arxiv.org/abs/0709.2767) is probably the best suited for the...

From the discussion in the school, it might be useful to use [FUDGE](https://github.com/LLNL/fudge) to generate data. FUDGE provides an API to write nuclear data in the Generalized Nuclear Data format,...