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plot Pressure drop in pipe

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Old   November 17, 2011, 18:18
Default plot Pressure drop in pipe
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Hello everyone,

I want to know how to plot pressure drop (P_inlet - P_outlet) vs iteration in pipe. Using monitors at surfaces (at inlet and outlet) I have got the pressure values per iteration. How should I plot their difference vs Iteration. Can I also do it in CFD postprocessor usng Expression.

Thanks for giving your time.
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