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original CSG #976

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0df73b7
Adding python script for generating the hybrid CSG/CAD model.py
pshriwise Oct 25, 2024
93f988a
Adding a note on the hybrid model for OpenMC
pshriwise Oct 25, 2024
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5 changes: 5 additions & 0 deletions doc/content/tutorials/csg_to_cad.md
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Original file line number Diff line number Diff line change
Expand Up @@ -184,6 +184,11 @@ This mesh can now be exported for use in multiphysics copuling.
Cubit> export mesh "/Users/pshriwise/krusty.e"
```

A different OpenMC model is needed to apply the DAGMC model generated, this is
already present in the tutorial directory and will be used by Cardinal as it is
set to the default filename expected by OpenMC ("model.xml"). This hybrid
CSG/CAD model can also be produced by running the `make_hybrid_model.py` script.

## Multiphysics Coupling

We have built a hybrid [!ac](CAD) and [!ac](CSG) model of the KRUSTY reactor in OpenMC,
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17 changes: 17 additions & 0 deletions tutorials/csg_to_cad/make_hybrid_model.py
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@@ -0,0 +1,17 @@
#! python

import openmc

# create an object for the DAGMC model
dagmc_universe = openmc.DAGMCUniverse('krusty_fuel.h5m')

model = openmc.Model.from_model_xml('original_model.xml')

fuel_cell = model.geometry.get_cells_by_fill_name('U-7.65Mo Fuel')[0]

print("Inserting the CAD model into the following cell:")
print(fuel_cell)

fuel_cell.fill = dagmc_universe

model.export_to_model_xml()