Does hohqmesh support nek5000 solver?

[ztdepztdep]

Does hohqmesh support nek5000 or nekrs spectral element solver?

[DavidAKopriva]

The formats that are supported are described in

https://trixi-framework.github.io/HOHQMesh/TheISMMeshFileFormats/

For nek5000 or its successor, you will have to write a translator into their format. One of the things I've tried promote for many years in the community is a published spectral element mesh file format that everyone could read/write from. That hasn't been done yet. We have the ABAQus format because someone (Andrew) needed it and wrote a formatter for that.

[fluidnumericsJoe]

The closest thing I've seen to potentially being a good candidate for a standard is implemented in HOPr, which I believe can ingest some HOHQMesh (ISM only ?) output.

[andrewwinters5000]

Yes, HOPR can parse the ISM format with the utilities implemented here. When Florian wrote these routines the mesher was still called "SpecMesh2D".

[DavidAKopriva]

HOPR is a mesh file converter. My issue with HOPR is that the mesh file includes all computed metric terms, etc. for a specific polynomial order. For me, that makes for huge mesh files with a lot more information than is actually needed by a solver. IMO all that should be included is connectivity and boundary curve information. The rest can recomputed in the solver.