Hey there! I would like to convert a simple 2D gmsh mesh for use in fenics, t1.geo from the gmsh tutorial, for instance. It seems that dolfin-convert is deprecated, so I decided to use meshio. The suggested format xdmf however is not compatible with dolfin, see https://github.com/nschloe/meshio/iss…

The code I’ve posted there is for a 3D mesh, however, it generalizes to a 2D mesh. Given this simple geo file // the square Point(1) = {0, 0, 0,0.1}; Point(2) = {0, 1, 0,0.1}; Point(3) = {1, 1, 0,0.1}; Point(4) = {1, 0, 0,0.1}; Line(1) = {1, 4}; Line(2) = {4, 3}; Line(3) = {3, 2}; Line(4) = {2, 1}…

Converting simple 2D mesh from gmsh to dolfin

dokken April 12, 2019, 3:10pm 2

Hi, see: Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio

The XDMF format of meshio is supported and can be loaded as I show in this reply

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Converting simple 2D mesh from gmsh to dolfin

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