Hi Kenza,
it depend on what data you have (2d or 3d?) and what you need to visualize. In any case, I would not include your observed data into DuMuX. Instead, you can either print out your simulation data or extract them from your Vtk files. Then you can plot them using TikZ, Gnuplot or even Excel. Or you can load your observed data into ParaView (or whatever tool you use to visualize Vtk files) and use its capabilities to show both datasets, calculate differences and so on.

Bye
Christoph


Am 17.09.21 um 19:43 schrieb kenza bouznari:
Hello,

I am not very used to C++ code and I continue my learning curve on Dumux! But I want to add some lines of code for Post Processing of simulation results. How can we overlay observed data and simulated results for some parameters (like fractions).


I am using the 2p2c/chemicalnonequilibrium model of dumux3.4 version.

I want to know if there are any existing tests (in dumux/test directory or in dumux-pub repository) that do that or can help to show how it can be done?


Thank you all,


KB

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