Question about nndc300K

User Support
1

Hi all,

I have the following problems:

I Changed the get_nndc_data.py in data library to get 300K library from NNDC web site as following:

2

Hi NiuOba,

You can try changing the openmc/data/cross_sections_nndc.xml file. In that file, search for U-235.72c and change the path attribute to the appropriate path, i.e. there should be a line that looks like:

<ace_table alias=“U-235.72c” … path=“300K/U_235_300K.ace” …

The path listed there is what is causing the problem.

Best regards,
Paul

3

Dear Paul:

In my cross_sections_nndc.xml, it wright as following:

4

Perhaps it wasn’t clear – on that line, you need to change path attribute to path=“300K/U_235_293.6K.ace”. Did you indeed make that change?

Best,
Paul

5

Dear Pro. Romano

I didn’t make that change.
I will have a try, I will submit that result, later.

Best Wishes
NIUoba