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[OpenFOAM] extracting data from paraview

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Old   May 31, 2010, 22:46
Default extracting data from paraview
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Tharek Mohtar
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Hello,

Iīm trying to make a comparative x-y plot using data extracted from paraview. I want to compare the analytical solution of a dambreak problem against the solution given by openFOAM. The issue is that i canīt extract the x-y position of the free surface from paraview. With the paraview function "contour" is posible to visualize the free surfece at a given alfa fraction but i donīt know how to take off this position data into a table of something like this. I know is posible to take this data from the files created by openFOAM while is solving a problem but i think there is a direct way to extract the data from paraview.

In brief, If anybody knows how to extract the data of the free surface position from paraview please reply!

Thanks.
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Last edited by tharem; May 31, 2010 at 23:11.
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Old   January 18, 2011, 00:45
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Ali Sarreshtehdari
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Hi,

you need to define and draw a contour plot for your property (alpha in your case), e.g. alpha=0.9, then go to Filters(Menu)>Alphabetical>Append Geometry after Apply this plot and check the "Show cube axes" your contour plot will observed in a XYZ coordinate system.

Good Luck
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