[Paraview] File format for CFD

[Berk Geveci]

Just to make sure, we are talking about an unstructured mesh, right?

-berk

On Wed, Sep 15, 2010 at 3:40 PM, Bart Janssens <bart.janssens at rma.ac.be> wrote:
> Hi all,
>
> I want to get data from our finite element CFD solver into paraview, so I'd
> like to write an exporter that writes in the format that is best suited and
> well supported by existing paraview readers. It should be possible to read
> large data sets in parallel, with good performance.
>
> Currently, I'm considering using the VTK file format with a .pvd xml at the top
> level, but I have some concerns:
> - When importing data using EnSight, it names the zones correctly, i.e. if you
> had a group of 2D cells called "inlet", it would show up in the tree and can
> be filtered with ExtractBlock. Is it possible to assign names using the VTK/pvd
> format?
> - The boundary zones would have to be separate blocks, as I understand. Is it
> possible for them to reuse the point data of the volume mesh? In our solver,
> the points are stored only once, and different zones can point to indices in
> one big array of coordinates.
> - When using multiple blocks as a result of parallelization, are points at the
> boundaries between blocks duplicated? If not, how is this specified?
>
> Kind regards,
>
> Bart
>
> --
> Bart Janssens
> Captain, Assistant
> Royal Military Academy of Belgium
> Department of Mechanical Engineering
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