As it was mentioned already, there are two independently developed
OpenFOAM reader for ParaView.
ParaView comes with its own built-in OpenFOAM reader (vtkOpenFOAMReader,
using the file extension .foam), and OpenFOAM has and alternative reader
(PV4FoamReader, using the file extension .OpenFOAM). OpenFOAM comes with
a little wrapper script called paraFoam, which creates/deletes a dummy
file with the respective extension and opens that file with ParaView.
Try "paraFoam -builtin" to use ParaView's built-in reader, or just
create a .foam file and open it with ParaView.
I generally use ParaView's built-in reader ("feels" faster and can read
decomposed cases :)) and hence I can use always the latest ParaView
version. But just to mention, if you have a heavy dataset also the
latest ParaView version won't be miraculously faster. Quite often the
biggest bottleneck is the disk IO. Also, OpenFOAM data is always
unstructured, which is slow in any case, no matter which reader or
version you use.
If you work a lot with OpenFOAM "zones" or "sets", one reader or the
other may be better suited. I rarely encounter any missing functionality
in ParaView's built-in reader, meaning you can visualise the usual flow
and Lagrangian fields. Just give it a try you can easily switch.
-Armin
On 10/02/2015 03:27 PM, Leonard Cassady wrote:
Hi,
I didn't realize that there are 2 different extensions for OpenFOAM
projects. I also didn't realize that Paraview had a native OpenFoam
reader. What functionality (normally supplied by OpenFOAM paraFoam ) is
lost when using Paraview without starting with paraFoam? I'm asking
because I've heard that ParaView 4.4 is extremely fast and would like to
test it out with OpenFoam files but not paraFoam.
Thanks
On Thu, Oct 1, 2015 at 7:44 PM, <[email protected]
<mailto:[email protected]>> wrote:
Hi,
It is simple to create a .foam file; just do "touch xxx.foam" in the
working directory. Then point ParaView at that file and it will use
the builtin openFoam reader which should offer the
reconstructed/decomposed option. The empty file just tells ParaView
which reader to use based on the extension.
Ron
________________________________
From: ParaView [[email protected]
<mailto:[email protected]>] on behalf of Leonard Cassady
[[email protected] <mailto:[email protected]>]
Sent: 30 September 2015 21:50
To: David E DeMarle
Cc: [email protected] <mailto:[email protected]>
Subject: Re: [Paraview] Correctly Parallel Processing of OpenFoam
results using pvserver
David,
I do not have a chooser for "case type". I found a web page
that shows the "case type" chooser. They were opening a .foam
file. I have .OpenFOAM case.
Should I consider converting the foam to VTK?
On Wed, Sep 30, 2015 at 2:59 PM, David E DeMarle
<[email protected]
<mailto:[email protected]><mailto:[email protected]
<mailto:[email protected]>>> wrote:
Looping the list back in to the thread.
Look on the properties panel when you open the file and before you
hit "Apply" look for a chooser for "Case Type". The default is
"Reconstructed Case" so change it to "Decomposed Case".
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909 <tel:518-881-4909><tel:518-881-4909
<tel:518-881-4909>>
On Wed, Sep 30, 2015 at 3:51 PM, Leonard Cassady
<[email protected]
<mailto:[email protected]><mailto:[email protected]
<mailto:[email protected]>>> wrote:
Dave,
I don't know how to switch to decomposed type.
Thanks,
On Wed, Sep 30, 2015 at 2:47 PM, David E DeMarle
<[email protected]
<mailto:[email protected]><mailto:[email protected]
<mailto:[email protected]>>> wrote:
As I recall, reconstructed means that the root node does all the
work. Switch to decomposed type in the reader and let us know how it
works then.
thanks
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909 <tel:518-881-4909><tel:518-881-4909
<tel:518-881-4909>>
On Wed, Sep 30, 2015 at 3:35 PM, Leonard Cassady
<[email protected]
<mailto:[email protected]><mailto:[email protected]
<mailto:[email protected]>>> wrote:
I'm attempting to use pvserver to accelerate the post-processing of
my openfoam solution. I have a 48 core machine. I have correctly
installed and compiled a parallel copy of paraview 4.1.0 with
OpenFOAM 2.4.x. If I open a simple .obj file I can see that
different parts of the surface are rendered using different
processors. I can also see that the memory is shared among the
parallel processes.
When I open a reconstructed openFOAM solution with 20 million cells
with paraview connected to 40 process pvserver, the image seems to
be rendered (or processed) with only 1 processor. Is there a step
that I'm missing to parallelize the reconstructed Openfoam data
files for rendering?
--
Leonard Cassady PhD
Senior Development Engineer
Intuitive Machines
Cell: 281-755-2553 <tel:281-755-2553><tel:281-755-2553
<tel:281-755-2553>>
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--
Leonard Cassady PhD
Senior Development Engineer
Intuitive Machines
Cell: 281-755-2553 <tel:281-755-2553><tel:281-755-2553
<tel:281-755-2553>>
--
Leonard Cassady PhD
Senior Development Engineer
Intuitive Machines
Cell: 281-755-2553 <tel:281-755-2553>
--
Leonard Cassady PhD
Senior Development Engineer
Intuitive Machines
Cell: 281-755-2553
_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at
http://www.kitware.com/opensource/opensource.html
Please keep messages on-topic and check the ParaView Wiki at:
http://paraview.org/Wiki/ParaView
Search the list archives at: http://markmail.org/search/?q=ParaView
Follow this link to subscribe/unsubscribe:
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_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at
http://www.kitware.com/opensource/opensource.html
Please keep messages on-topic and check the ParaView Wiki at:
http://paraview.org/Wiki/ParaView
Search the list archives at: http://markmail.org/search/?q=ParaView
Follow this link to subscribe/unsubscribe:
http://public.kitware.com/mailman/listinfo/paraview
