dolfin-convert not returning xyz_facet_region.xml
hi there ,
I am trying to convert xyz.msh to xyz.xml after marking physical groups of the mesh. Before using dolfin convert i use add ---> surface to add physical groups one by one. (Screen shot of stats after addition of surfaces attached below).
When i try dolfin-convert xyz.msh xyz.xml , the conversion works superfine but i just get two files instead of three. The files that i am getting are xyz.xml and xyz_physical_region.xml but i am not getting xyz.facet_region.xml.
i want the facet region file because i want to use this mesh in FEniCS and apply boundary conditions using facet_region.xml file
Have also attached the mesh
Any sort of help / advise would really help.
I am new to FEniCS, but it turns out I am investigating exactly the same question as you.
What I am sure now is that if my gms file contains a block enclosed by $PhysicalNames and $EndPhysicalNames, then I can get three files (xxx.xml, xxx_physical_region.xml and xxx_physical_facet_region.xml). and if that block does not exist, then I can only get one file, which is xxx.xml.
Do you have that block in you gmsh file?
By the way, I cannot see the attached mesh file.