[Dune-devel] VTK HDF5 Format

[Simon Praetorius]

Hi everyone,

Recently (July 2022) the VTK library added direct support for a VTK HDF5 
format, see https://www.kitware.com/vtk-hdf-reader/ Would this be 
interesting for anyone to have directly in Dune as a writer? Maybe 
related also the XDMF Format. We are always looking for a way to write 
lots of files, e.g., a highly partitioned domain in an instationary 
process with many timesteps. In HPC centers typically there is a quota 
in number of files and total disc space. Could there a HDF5 filewriter 
help?

The dune-vtk module provides also some solutions for our problems, e.g., 
one can write timeseries files, where all timesteps are stored in a 
single vtu file. Also the compressed output helps to reduce the total 
size, bit both come also with a price.

Is anyone interested in implementing HDF5 support? Maybe we could extend 
the dune-vtk module in this direction. Not sure whether paraview does 
support VTK HDF5 directly.  (I have found MRs in the paraview git 
related to this)

Best,
Simon

-- 
Dr. Simon Praetorius
Institut für Wissenschaftliches Rechnen
Fakultät Mathematik
Technische Universität Dresden
Tel.: TUD-34432
Mail: simon.praetorius at tu-dresden.de
Web: https://tu-dresden.de/mn/math/wir/das-institut/beschaeftigte/simon-praetorius

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