Hi, I am trying to convert the following msh file to DOLFIN XML: $MeshFormat 2.2 0 8 $EndMeshFormat $PhysicalNames 6 2 6 "contorno" 3 1 "medula" 3 2 "hueso" 3 3 "musculo" 3 4 "grasa" 3 5 "piel" $EndPhysicalNames $Nodes 45422 1 47 0 0 2 45 0 0 3 42 0 0 4 34 14 0 5 -6 6 0 6 -14 6 0 7 26 14 0 8 -14 6 …

Hi, Dolfin-convert is no longer maintained. I suggest you use meshio to convert your mesh: [image] Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio mesh Could you supply me with your error messages, as I your mesh file, with gmsh -3 mesh3d.geo, and …

Hi, I get the same error as @siriusf when converting my gmsh mesh to xml files. I used the code you sent using meshio, but I get the following error for the part msh.cells[“tetra”]: TypeError Traceback (most recent call last) Cell In[97], line 6 1 import meshio …

That post is 4 years old, and has many updated posts for newer versions below in the same thread. You could also follow: Mesh generation and conversion with GMSH and PYGMSH | Jørgen S. Dokken which has the latest syntax.

Thank you for your reply. I used the one you sent as well but I get the error: ValueError Traceback (most recent call last) Cell In[111], line 1 ----> 1 line_mesh = create_mesh(mesh_from_file, “line”, prune_z=True) 2 meshio.write(“new_facet_mesh.xdmf”, line_mesh) 4…

Please read the post with some care. Each of the create_mesh statements takes in a cell_type. In your case, as it seems like your mesh is 3D (ie tetrahedral cells and triangular facets), you should use the cell_type: triangle and tetra instead of line and triangle.

Thank you dear @dokken . I could create the xdmf files for the fenics. Can you help me with implementing the BCs? I read different things here but I got confused. In my .msh file I have these physical regions: 2 4010 “RV” 2 4011 “LV” 2 4012 “Fix” 3 4013 “Vol” I need to add pressure to the fir…

Without having the xdmf file, and the script you are trying to use, i cannot really help you any further.

Hi, dokken, Thank you for your pygmsh_tutorial. I have a small problem, when I run this tutorial, there is an error: AttributeError: module ‘pygmsh’ has no attribute ‘geo’. Could you help me fix it? [截屏2024-01-01 21.39.24]

What version of pygmsh are you using?

I use the osx-64 v6.1.1 installed by anacodna.

*** Unable to find cells of supported type. when converting from Gmsh format (.msh, .gmsh) to DOLFIN XML format

mesh

dokken September 24, 2019, 6:57am 2

Hi,
Dolfin-convert is no longer maintained. I suggest you use meshio to convert your mesh:

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*** Unable to find cells of supported type. when converting from Gmsh format (.msh, .gmsh) to DOLFIN XML format

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