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Dear All
When I import a 3-D mesh in Gmsh, it can recognise 2-D surfaces and I label them as physical groups for Nektar to be used as boundary conditions. However, in case of a 2-D mesh, Gmsh cannot recognise 1-D line elements so I cannot label them to use as boundary conditions in Nektar.
How can I get these 1-D elements recognised in Gmsh?