If you save your mesh as Tochnog format, you will only get the tetrahedron or hexahedron if that is what you choose.
Your file will be name.dat. It will have a lot of details on how to set up the input file for tochnog, but you will find all the nodes and connectivities. Fernando Lorenzo Sent from my iPhone > On Oct 11, 2017, at 9:54 AM, Shamsul Arefin <[email protected]> wrote: > > How to mesh only the volume(s) and not the lines, surfaces etc? > > In my project I have imported a step-file of a bearing race (imagine a hollow > cylinder). I want meshes on the volume only. The other geometric entities > should be ignored. How do I make that happen? > > Normally if I use the '3D' mesh from the command tree, i find elements on the > line, surface and volumes. Whereas, I don't want any 2D elements rather only > 3D tetrahedron was expected. > > 1# I have tried to delete the geometry items, the edges, and failed. >>> idea > was to keep only the volume entity in the CAD and mesh only the volume. > > 2# i tried to define physical entities of the volumes, to mesh only that > physical entity, and failed. > a. I could not perform a selection (in coding) only for the volume elements. > b. even if I could succeed to select the volumes, I don't find a Meshing > command to mesh only a particular physical entity. > > > ​Regards, > Shamsul Arefin > > _______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh
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