[Paraview] Paraview 3.1.0 - ensight gold problem
Amy Squillacote
amy.squillacote at kitware.com
Wed Oct 3 09:38:54 EDT 2007
Hi Adrian,
I was able to download the data from the link you sent. I do see the
same results as you show in the link you included in the email
conversation. I have a few questions for you.
* Are the hex8 and quad4 cells in the same part?
* Are the hex8 and quad4 cells supposed to share a common surface plane?
It looks like you have exactly the same exterior surface regardless of
which part you choose, which would explain the flickering you see.
- Amy
Adrian Magda wrote:
> 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
> <mailto: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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--
Amy Squillacote
Kitware, Inc.
28 Corporate Drive
Clifton Park, NY 12065
Phone: (518) 371-3971 x106
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