[Paraview] Paraview 3.1.0 - ensight gold problem

[Amy Squillacote]

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