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Setting physical entities with Gmsh using an STL object

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Old   March 8, 2021, 07:51
Default Setting physical entities with Gmsh using an STL object
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Supppose I have an STL file for a 3d part and I want to apply a boundary condition to a face of it. Note that the STL comes as a single part. Is there a way I can set the physical entities (ID) for a group of nodes that belong to the patch within Gmsh?

For example, I have an part for which I need to to modal analysis with calculix. Can I pick a patch, and assign the nodes of the patch a fixed boundary condition and then use calculix to solve the modes?



If yes, what is the procedure in Gmsh. If you have a video tutorial that you found somewhere, please share that as well.



Thanks and Regards,
PN.
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Old   April 8, 2021, 07:45
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Hi
I have the same problem.
Have you found any solution for that?.
In my case I have to import into the openfoam.

Thanks and Regards,
Pavithra
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