[Paraview] Paraview 3.1.0 - ensight gold problem

Adrian Magda amagda at gmail.com
Sun Sep 30 14:19:34 EDT 2007


Hi Samuel

Thanks a lot for your answer.

Both hex8 and quad4 store temperature as cell data. You are right the quad4
elements
are overlaying the hex8 surface.

If there is only a visual competition between the display from each part I
think that should not effect the inner flow far from the wall no ?

For you all this works without problem ?

All the best
Adrian

On 9/30/07, SamuelKey <samuelkey at comcast.net> wrote:
>
> Greetings Adrian,
>
> I use an EnSight Gold format with "parts," unstructured grids, multiple
> element types.
>
> Is Temperature point or cell data for the hex8 elements?
>
> Is Temperature point or cell data for the quad4 elements?
>
> In my experience, each "part" is a separate displayable object. While
> the nodal points appear "unique" to each "part" in the ParaView data
> set, the nodal points have the exact same coordinates since the quad4
> are overlaying the hex8 surface (at least, in my data sets they would).
>
> With quad4's overlaying the hex8 surface being coincident, I think you
> may seeing a visual competition between the display from each part?
>
> Regards,
>
> Sam Key
>
> Adrian Magda wrote:
> > Hi all Paraview users,
> >
> > I am using Paraview to plot my cfd results. I am using ensight gold
> > binary format. I can write and read the data with no problem, but it
> > seems paraview interprets the things wrong.
> >
> > The geometry file is divided in two part one containing the internal
> > flow (hexa8, unstructured)  and a part containing the boundary file
> > (quad4 unstructured elements).
> >
> > The problem is that always the temperature on the North wall of my
> > geometry seems to mixed with data from both hexa8 (first elementh near)
> > the wall and quad4 element (placed on the hexa8 wall). More if i do a
> > cut trough the geometry and display the temperature the temperature
> > profile is completely wrong
> > On the other hand if i use "Extract Datasets" option i can see the
> > correct Temperature profile on the inner flow and on the boundary area
> > for each part separately.
> > In order to check out more the encounterdproblem i decided to export a
> > simple OpenFOAM 3d case (20*20*20) (the 2d (in one direction only 1
> > cell) works with no probblem) and also i noticed strange things. For
> > exporting i used the included foamToEnsight module.
> >
> > Last and final try was to check the .case file in ensight8 and none of
> > the problems mentioned above were noted.
> >
> >
> > Did anybody else have had such problems ? There is any way around this?
> >
> >
> > Adrian
> >
> >
> >
> >
> > ------------------------------------------------------------------------
> >
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>
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