Warm greetings,
I want to set boundary id on a geometry in gmsh and read it in deal.ii. I
have done the followings:
1 . I have imported my geometry .STEP in gmsh.
2 . Assigned elementary tag and physical surface "name" in the geometry
section,
3 . Meshed
4 . when this file is imported in gmsh, error pops up saying,"negative
volume"
5 . so I used tethex for re-ordering, and the code reads the mesh,
6 . but I found out that tethex removes the physical ids and replaces it
with 0.
Please tell me how to achieve this, or where I am going wrong!
Thank You.
P.s. in step-49,
[image: geo th.jpg]
but in my .geo file, it is written as (" "), i.e.,
[image: geo we.jpg]
has this anything to do with the problem?
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