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[OpenFOAM] converting velocities from cell centers to corner

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Old   March 13, 2013, 13:54
Default converting velocities from cell centers to corner
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Mauro Torsello
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Hello All,
I am trying to convert velocities from cell centers to corners.
OpenFOAM saves information of velocities in cell centers but
paraView displays velocities on the corners. How can I do that?
In few words, how can I obtain the numerical values of the velocities
displayed with paraView (in the corners), while velocities files
save the values in the cell centers?

thank
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Old   April 14, 2013, 08:09
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Bruno Santos
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Greetings Mauro and welcome to the forum!

Sorry for the late reply, but I was hoping that someone else would have answered you sooner, while I was busy for these past weeks.

As for your question, I can't figure out what exactly you want to do with the values afterwards. Because I think there are two possible answers to your question:
  • If you want the values from ParaView on the vertexes, you can simply export the values to CSV: File -> Save Data
  • If you want to calculate in OpenFOAM the values of U on the corners of the cells, then I think what you are looking for is the following utility: https://github.com/wyldckat/reconstr...te-fields/wiki
    Study its code if you want to implement this feature into a custom solver you are making.
Best regards,
Bruno
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