[Paraview] Which file format to use for time series on tetrahedral mesh

[Michael Bieri]

Hello

I have an FEM simulation, mostly based on Numpy. The simulation happens on
a tetrahedral mesh and generates data for multiple time steps. There are
less than several million nodes.

Currently I'm not sure to which file format I should output my simulation
results in order to visualize with Paraview. I'm looking for a well
documented format that can handle time steps and tetrahedral meshes. PVD as
well as VTK formats seem to be not very well documented, unfortunately.

I do not mind to implement the file writer by myself as this can easily be
done in Python.

Best regards,
Michael
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