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October 25, 2010, 14:55 |
Export data from paraview
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#1 |
New Member
Michel
Join Date: Jun 2010
Posts: 7
Rep Power: 15 |
Hello,
today I was wondering about strange results. I exported /saved the Data from "plot over line" and compared the results to a plot in matlab and got the result in the attached picture. Upper Picture is from Matlab, lower one was made with "plot over line"... Did anyone made the same experience?? Thanks a lot, Michel |
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October 26, 2010, 05:54 |
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#2 |
Senior Member
Nima Samkhaniani
Join Date: Sep 2009
Location: Tehran, Iran
Posts: 1,266
Blog Entries: 1
Rep Power: 24 |
???????
whats ur question? as i see values in matlab pic differ from value in paraview pic are u sure that u use true set of values for both configuration ? |
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October 26, 2010, 06:04 |
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#3 |
New Member
Michel
Join Date: Jun 2010
Posts: 7
Rep Power: 15 |
my question is if anyone made the same experience...
and I am sure that this is the same set of values.. |
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October 26, 2010, 06:34 |
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#4 |
Senior Member
Gijsbert Wierink
Join Date: Mar 2009
Posts: 383
Rep Power: 18 |
Could it be that the paraview plot has different interpolation? I.e. that one plot is cell face interpolated and the other cell center values? There is a "Cell Centers" filter in ParaView, maybe interesting to have a look at ...
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Regards, Gijs |
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May 15, 2013, 03:21 |
Python for save data
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#5 |
Member
Mehdi GHOZALI
Join Date: May 2013
Location: Dubai, UAE
Posts: 65
Rep Power: 12 |
Hello,
I'm using paraview for extract some data from Probelocation. I have 88 Probelocation and I only know how to save data manually and it's taking me too much time Does someone know if there a way to make this automatically using mtalab or python or anything else? Thank you Mehdi |
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May 15, 2013, 03:59 |
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#6 |
Senior Member
Nima Samkhaniani
Join Date: Sep 2009
Location: Tehran, Iran
Posts: 1,266
Blog Entries: 1
Rep Power: 24 |
you can use sampleDict or sample function in your controlDict, then you would have those points data in file, then with python scrtips you can see it
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May 16, 2013, 08:21 |
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#7 | |
Member
Mehdi GHOZALI
Join Date: May 2013
Location: Dubai, UAE
Posts: 65
Rep Power: 12 |
Quote:
I asked around and they told me that I have to put in sampleDict type Cloud and then write the 88 points ? Do you know what that means and what's the format of the output data ? Thnak you |
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May 16, 2013, 12:28 |
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#8 |
Senior Member
Nima Samkhaniani
Join Date: Sep 2009
Location: Tehran, Iran
Posts: 1,266
Blog Entries: 1
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dear mahdi you can find the usage of sampleDict from OpenFoam tutorials
here is some cases which you can find sampleDict Code:
./applications/utilities/postProcessing/sampling/sample/sampleDict ./tutorials/stressAnalysis/solidDisplacementFoam/plateHole/system/sampleDict ./tutorials/electromagnetics/mhdFoam/hartmann/system/sampleDict ./tutorials/compressible/sonicFoam/laminar/shockTube/system/sampleDict ./tutorials/compressible/rhoCentralFoam/shockTube/system/sampleDict ./tutorials/compressible/rhoCentralFoam/LadenburgJet60psi/system/sampleDict ./tutorials/compressible/rhoCentralFoam/biconic25-55Run35/system/sampleDict ./tutorials/heatTransfer/buoyantSimpleFoam/buoyantCavity/system/sampleDict
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May 17, 2013, 03:53 |
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#9 | |
Member
Mehdi GHOZALI
Join Date: May 2013
Location: Dubai, UAE
Posts: 65
Rep Power: 12 |
Quote:
I'll look it up |
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