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[General] Surface integral and plotting of value along axis

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Old   December 5, 2017, 10:01
Default Surface integral and plotting of value along axis
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Lennart
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Dear Foamers,

I'd like to integrate my drag calculation along an axis (in this case the x-axis) in order to plot it over the length of my object. The drag (pressure drag) is calculated in the following way:

paraview.png

The calculator just computes Normals_X*p.

Now instead of integrating over the entire surface at once, I'd like to progress the integration in x-direction while storing all the intermediate values. These could then be plotted to obtain results similar to the ones I found in literature:

ref.png

Your help is appreciated, thanks!
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drag, line integral, openfoam, visualization

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