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Changes to GROUPR for two new meshes - #386
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* Some changes to meshes 25, 26, and 27 to address resonance self-shielding issues, * Addition of meshes 35 and 36 (EDF/Framatome and Newcleo), * Addition of descriptive print statements, including one missed for mesh 34, * Increase size of ntmp to accomodate ECCO1962 mesh.
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Based on in person discussions with @whaeck, there is some context for the changes to meshes 25-27. Alain wrote me that they were due to address a resonance self-shielding issue in groups that were proposed by Alain originally a "few years ago". These three meshes were used to produce DRAGON libraries only, so should not impact other users. |
whaeck
approved these changes
Mar 3, 2026
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I'm working with Alain Hébert (developer of the DRAGON code) on integrating a (probably standalone) dragr module in NJOY. The goal is to have an optionally compiled module that can be built along-side stock NJOY. He has made some other changes to the NJOY code itself that we are trying to avoid, but there are some groupr changes that he wishes to try to get in to NJOY.
They basically update some energy grids that Alain had been able to add to NJOY a few years ago to try address a resonance self-shielding issue. They also add two new energy grids.
I don't know how receptive you are to the addition of these grids. I am open to alternatives. Again, the goal on our side is to create a module that links to
libnjoy.soand can be used as a final step in a processing chain.