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External CAD model meshing - geometry cleaning

  • Daniel Stadlmayr
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11 years 5 months ago - 11 years 5 months ago #7006 by Daniel Stadlmayr
External CAD model meshing - geometry cleaning was created by Daniel Stadlmayr
Although this topic is pretty old, I am now facing a similiar problem, when it comes to complex geometry meshing in Salome.


Due to some free-style faces on a piston there are several very small faces which lead the Salome meshing tool in CAELinux2011 to abort.
I am used to work with the current edition of Abaqus/CAE (6.12-3), where I can use a tool called Virtual Topolgy->Combine Faces.

Is there any way of doing this manual combination, as the automatic repair algorithms from Salome are not sufficient....
Or, is there any other PreProcessor, which is capable of these kinds of topology-optimization?


Best regards
Last edit: 11 years 5 months ago by Daniel Stadlmayr.
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11 years 5 months ago #7007 by Claus
Replied by Claus on topic Re: External CAD model meshing - geometry cleaning
Depending on the complexity of the model, it is possible to explode the model into edges, wires, faces etc., you can then delete unwanted edges that make up the smaller faces and build new wires, then faces and finally recombine everything to a new model. I say it depends on the complexity because it will very quickly become a completely unmanageable situation :)

Apart from simplifying you model in your CAD program before exporting, I don't know of any other (good) preprocessors for linux that's free.

/C
Code_Aster release : STA11.4 on OpenSUSE 12.3 64 bits - EDF/Intel version
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10 years 10 months ago #7353 by ben
Replied by ben on topic Re: External CAD model meshing - geometry cleaning
claws,
can u tell me how do you clean the geometry without deleting the surface ?
and is it impossible to find out fluid domain of a exhaust system?
Manifold_assembly.stp
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