Hi,
-you apply the line physical surface to the _.geo_ file, See keyword "Physical" in tutorials and manual.
-then convert with gmsh to .msh and then convert to a format, in that the solver can import the so called pe: physical entities aka boundary conditions.
-ElmerGrid does this for example, do not know Openfoam, though.
Regards
29.01.2016, 22:54, "AnTu Xie" <[email protected]>:
Hi,,I'm using the finite element library deal.II to generate some '.msh' files, and exporting through deal.II. I find that all I can export is the mesh itself, with no boundaries define.dI would like to modify the meshes by adding in boundary conditions through using physical entities in gmsh, since I want to import these meshes into OpenFOAM for later manipulation. However, I can't actually find any way to do this. Is it possible to do this in gmsh somehow? I find that all I can do is add a 'volume' physical entity which takes up the entire volume.The .msh basically looks like:$MeshFormat2.2 0 8$EndMeshFormat$Nodes4291 0 0.333333 0.3333332 0.333333 0.333333 0.333333...428 0.416667 0.583333 0.75429 0.583333 0.583333 0.75$EndNodes$Elements2481 5 2 2 1 13 107 197 63 110 304 310 199...248 5 2 2 1 392 100 260 429 349 11 105 393$EndElementsSincerely,James Xie_______________________________________________
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