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[OpenFOAM] Need guidance with Paraview postprocessing

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Old   November 5, 2014, 19:33
Question Need guidance with Paraview postprocessing
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Hello Paraview users. I am quite new to postprocessing with paraview as I am used to operate ANSYS CFD-POST.

I've got a few questions about using paraview :
1. How to switch the 3D view from perspective view to isometric view ? My model is just a 2D airfoil and I would like to disable the viewing depth.

2. How do I create a plot of wall temperature (surface of airfoil) ? In CFD-POST, I could create a polyline and generate a plot from it.

Thanks in advance guys.
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Old   November 6, 2014, 02:28
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Hi,

1. Edit -> View settings ... -> Use parallel projection.

2. Should it be 2D plot? Like temperature as a function of a distance around an airfoil?
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Old   November 6, 2014, 19:00
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Quote:
Originally Posted by alexeym View Post
Hi,

1. Edit -> View settings ... -> Use parallel projection.

2. Should it be 2D plot? Like temperature as a function of a distance around an airfoil?
Thanks mate, the view is just exactly what I wanted.

The plot is 2D, and yes, the plot should show wall temperature as a function of distance from the leading edge (Twall(x)).
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Old   November 7, 2014, 01:52
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Well, you've got 2 possibilities

1. Use sample utility, there you can define polyLine along which field will be sampled (see example sampleDict in $WM_PROJECT_DIR/applications/utilities/postProcessing/sampling, edit, copy to system folder of your case and run sample).

2. Open case in paraview (paraFoam), in "Mesh regions" check-list select boundary you're interested in, use Slice filter on it, File -> Save data. Paraview will create CSV file with coordinates of points and values of the flow parameters at those points.

Both ways will produce ASCII files that you can plot in favorite software.
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Old   November 9, 2014, 19:23
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Alright then. Thanks man, going to give it a try
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