[Gmsh] Extrusion

[Geordie McBain]

Le 19 mars 2016 22:21, "Deepak Garg" <deepak.garg at ingv.it> a écrit :
>
> Hi There,
>
> I am generating a 3D hexahedral mesh for a cylinder by extending a circle
with extrude command. The mesh is created in the right way but the mesh
file writes the center of circle(in my case (0,0,0)) and its extruded
vertex (0,0,5) in the nodes list.
>
> Is there any way to remove these center points from the .msh file or to
make them the part of mesh?

To have them omitted from the output, declare some 'physical entities',
then Gmsh saves only those; e.g. a Physical Volume for the cylinder and
perhaps some Physical Surfaces (which might also be useful in your finite
element analysis for imposing boundary conditions).

http://gmsh.info/doc/texinfo/gmsh.html#Elementary-vs-physical-entities
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