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Scripts to run a LOCA analysis

Author: Ramiro MENA-ANDRADE ([email protected])
Date: 2022/12/09

Citation:
R.Mena, R. Franqueira Ximenes, M.Calviani, Loss-of-Coolant-accident-study for the Beam Dump Facility at CERN, 
NURETH-19 Conference 2022.

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This script contains the files to run a complete analysis for a Loss-of-Coolant-accident (LOCA) for the
BDF target.

It is composed by the following files

00_main_script.py: runs the whole analysis (to be executed in Ansys Workbench File/Scripting/Run Script File...
01_geometry_blocks.py: parameteric definition of the BDF target blocks (in case of modification, use SpaceClaim)
02_mesh_blocks.py: definition of the mesh for the subsequent subsystems
03_thermal_steady_blocks.py: definition of the steady temperature profile under nominal conditions (requires to load a csv file)
04_thermal_transient_blocks.py: definition of the transient temperature profile under LOCA conditions (natural convection)
05_static_structural_blocks.py: definition of the thermal stresses generated after a thermal step

Limitations:
1. The external file imports a Heat Generation load. It must be defined manually in the steady thermal step.
2. For the geometry in general:
   - most of the features in the geometry script are generated by using indexes of the features (e.g. edges, surfaces)
   - in case of an important modification, the new indexes must be provided manually (it should be better to use Filters)
   - the geometry is oriented along the x axis (longitudinal) instead of the Z axis of the Fluka files
3. The Fluka files are loaded by using the Fluka Plugin (J.Maestre 2021). To complete the set up you need to manually insert:
   - The location of the Fluka files (.lis) needs to be modified manually in the 04_thermal_transient_blocks.py file (if different files are applied)
   - The named selection where the load is applied (e.g Load Table\Geometry Selection\Named Selection\...)
   - The time Factor (e.g Load Table\Definition\TimeDependent\ Click and put 1 as Factor, then click Apply)
4. The published data only contains two cases for the Fluka files (for size limitations)
   For the complete Fluka files, contact the author or Rui Franqueira Ximenes ([email protected])