Hi! I’m trying to export a function from a DG function space to XDMF but obtain the following error: File "/home/remidm/festimx/mwe.py", line 14, in <module> xdmf_file.write_function(u) File "/home/remidm/miniconda3/envs/dolfinx/lib/python3.11/site-packages/dolfinx/io/utils.py", line 235, …

[image] RemDelaporteMathurin: V = fem.FunctionSpace(msh, ("DG", 1)) u = fem.Function(V) xdmf_file = XDMFFile(MPI.COMM_WORLD, "u.xdmf", "w") xdmf_file.write_mesh(msh) xdmf_file.write_function(u) This is an explicit change to highlight the limitations of the XDMF file format, as in comparison…

Cannot write function to XDMF with DG elements

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RemDelaporteMathurin October 12, 2023, 11:02pm 18

It would seem it has to do with needing the MPI version

Is this the MPI version?

Imposing a discontinuity at interface using DG method

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Cannot write function to XDMF with DG elements

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