[Paraview] FLUENT READER

Mon Jan 12 07:33:57 EST 2009

Thanks for the link.

And sorry for the google stuff. All our internet requests are processed by a google-certified troll, but he was busy looking the the new telephone number of the Wizard of Oz. Things that happen from time to time.

-M

________________________________
From: John Biddiscombe [mailto:biddisco at cscs.ch]
Sent: Montag, 12. Januar 2009 12:13
To: Sala, Marzio
Cc: Fred Fred; paraview at paraview.org; bastil2001 at yahoo.de
Subject: Re: [Paraview] FLUENT READER

I am hurtling through the wild snowy wastelands of Eastern Switzerland, on a train that lurches from side to side as it careers it's unruly way through the wild mountains at breakneck pace. Strange animals leap away in terror as the huge metal machine streaks past - Trolls flee to their hideaways under bridges and the air rings with the screech of metal against metal as the wheels spin against the ice covered tracks.

The train emerges from a tunnel, vast long and dark, and I type vtkCSCS into Google, and yes (praise be) for this is a Swiss train, it has wireless internet, electricity, coffee and even Dancing Bears that parade their way up and down the aisles.

What will I discover?

Why not try it yourself. I presume that Google exists in whatever far corner of the earth you inhabit?
JB
(Only slightly frustrated - Oh, and I made up the bit about Trolls and Dancing Bears. the Wireless internet part is true,

and if you really can't get it, try this
https://svn.cscs.ch/vtkContrib/trunk/vtkCSCS/

Hello John,

I am interested in testing the CSCS FLUENT reader. Could you please tell me how to download the sources of the CSCS FLUENT reader? I couldn't find a download link from the CSCS web site...

Thanks,
-Marzio

-----Original Message-----
From: John Biddiscombe [mailto:biddisco at cscs.ch]
Sent: Samstag, 10. Januar 2009 22:19
To: Fred Fred
Cc: paraview at paraview.org<mailto:paraview at paraview.org>; bastil2001 at yahoo.de<mailto:bastil2001 at yahoo.de>
Subject: Re: [Paraview] FLUENT READER

If you look at the code you will see see that in vtkCSCS root there is a directory called pv3-plugin If you use the cmakelists in this directoy and enable CSCSCommon and CSCSFluent, it should compile.

Note that I use a customized version of paraview which is pv-meshless and some functions in the fluent reader might use additions to CleanUnstructuredGrid or vtkUnstructuredGrid etc which are not in paraview CVS (I have added some ifdefs I think which should make it work with standard paraview as well - if you encounter problems, why not consider fixing them, it's called open source for a very good reason).

Unfortunately, I don't have time to support every request I receive - which is a surprisingly large number since I have made several modules available so please apologise my silence on this thread until now.

The fluent reader, parses the partition table and loads in parallel, but I wouldn't expect you to be very impressed as in my opinion the fluent format is rubbish and the whole file has to be parsed in order to extract parts of interest. This is particularly bad if you access the same file from N nodes over a shared nfs like filesystem. I did spend a lot of time optimizing the parallel loading to ensure that memory is not allocated for cells that are not loaded on a particular process. In this respect the reader is a huge improvement over the cvs reader, parallel loads work very well if the number of nodes is comparable to the partition table size, though I have successfully loaded 12million cell models on desktop workstation using a single process. Your mileage may vary.

Unfortunately (or rather very fortunately, given the badness of the fluent format), the users who made use of this reader are switching to OpenFoam for future simulations, so this reader is unlikely to be supported further.

The code will only load volumetric cells. Boundaries can be loaded (I can't recall if I re-enabled them after some changes), but many of the fluent information/structures/types are skipped. There are many boundary information/types that are completely ignored. Feel free to contribute improvements should you implement these.

JB

Hello,
I am facing the same issue, I do not manage to read a Fluent dataset
with Paraview. According to Berk Geveci, the Fluent reader is not as
good as it could be, so I was trying to find out a Fluent licence in
order to convert the file in an alternative format, for instance Ensight.
As I was discovering this thread, I downloaded the plugin code and
tried to compile it with VTK but the problem is that some classes,
used in the plugin code, are no longer available in VTK, such as
vtkCleanUnstructuredGrid.h or vtkTransformVectors.h.
May I only found an old version ("  Copyright (C) 2000, 2002 Mario
Valle") at https://svn.cscs.ch/vtkContrib/trunk/vtkCSCS/vtkFluent/, so
John, is there a more recent version of the plugin?
Regards.

Date: Fri, 9 Jan 2009 23:10:21 +0100
From: Bastil2001 at yahoo.de<mailto:Bastil2001 at yahoo.de>
To: jpapper at ara.co.uk<mailto:jpapper at ara.co.uk>
CC: paraview at paraview.org<mailto:paraview at paraview.org>
Subject: Re: [Paraview] FLUENT READER

I am interested in this, too. However I have not yet tried to build
the plugin but I will do. I miss some documentation for it. Hopfully
it is better than the current reader - this one is really poor.

Regards BastiL

Jacques Papper schrieb:

Is really no one interested in reading Fluent data in parallel
into ParaView apart from me ? Or am I doing something seriously wrong ?
My understanding is that this plugin should work much better than
the current reader in ParaView, am I right ?

Jacques

----------------------------------------------------------------------
--

*From:* paraview-bounces at paraview.org<mailto:paraview-bounces at paraview.org>
[mailto:paraview-bounces at paraview.org] *On Behalf Of *Jacques
Papper
*Sent:* 08 January 2009 11:38
*To:* John Biddiscombe
*Cc:* ParaView
*Subject:* [Paraview] FLUENT READER

Hi all , John,

I have been trying without success to build the vtkCSCSFluent plugin.
I have tried to build it as a Paraview module, as a VTK module ...
When trying to genereate the makefile with cmake for the paraview
module it complains because it doesnot find a
vtkCSCSFluent.pvsm.in <http://vtkCSCSFluent.pvsm.in><http://vtkCSCSFluent.pvsm.in> file.
Could anyone give me a hint on how to compile this plugin ?

I have both VTK and ParaView CVS versions compiled.
Thanks,
Jacques

2009/1/8 John Biddiscombe <biddisco at cscs.ch><mailto:biddisco at cscs.ch>

Dear ParaView Community,

We have an opening for an HPC/ParaView developer to work on an EU
funded project aimed at computational steering of particle based
simulations - we intend to use ParaView for development of the
front-end controlling application.

The job advertisment, which contains some details, can be found
here,

http://www.cscs.ch/index.php?option=com_content&task=view&id=135&Itemi
d=100

<http://www.cscs.ch/index.php?option=com_content&task=view&id=135&Item
id=100><http://www.cscs.ch/index.php?option=com_content&task=view&id=135&Itemid=100>

Please contact me off-list if you would like further information
about the project and/or the requirements of the post.

John Biddiscombe,

CSCS, Swiss National Supercomputing Centre | Tel: +41 (91)
610.82.07 Via Cantonale, 6928 Manno, Switzerland | Fax: +41 (91)
610.82.82

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