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Converting a 3D SU2 mesh to 2D

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Old   July 4, 2024, 02:24
Default Converting a 3D SU2 mesh to 2D
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Viv Bone
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Hello all,


I'm currently working with a 3D CGNS mesh that I've downloaded from the following page:

https://turbmodels.larc.nasa.gov/nac...ics_grids.html


To simulate this geometry in SU2, I'm first converting the mesh to SU2 format using the SU2_DEF command (with the boundary conditions set appropriately).
This results in a 3D single-cell-wide SU2 mesh.
I can perform simulations using this 3D mesh, however, performance is poor.
As suggested in the user guide, I'm attempting to convert the mesh to 2D, so that I can run a truly 2D simulation.
Can anyone suggest how I might convert this mesh from 3D to 2D?


Thus far, I've opened the original 3D mesh in paraview, then saved a 2D slice of the mesh.
This gives me a 2D CGNS mesh, however I lose the boundary marker information, so I unfortunately can't use the mesh.


Any help is greatly appreciated.


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Old   July 5, 2024, 03:40
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Viv Bone
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I ended up writing my own converter.
Can share once it's more mature.
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