Automatic change in monitoring point

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finzeo
Posts: 69
Joined: Fri Sep 09, 2022 4:23 pm

Automatic change in monitoring point

Post by finzeo »

Hi all,

I am using the functionality in the GUI related to monitoring points to observe the evolution of the solution over time at certain points. I notice that, when opening the probes_coords.csv file, the coordinates that I entered were slightly modified. My question is, do they automatically change to the position of the nearest cell center? Is there a way to configure it to maintain the entered position using some type of interpolation?
Yvan Fournier
Posts: 4107
Joined: Mon Feb 20, 2012 3:25 pm

Re: Automatic change in monitoring point

Post by Yvan Fournier »

Hello,

Yes, you can set part of this behavior in the GUI ("one probe per cell"), and can have finer grained controls in user-defined functions.
Check the Doxygen (html) documentation for cs_probe_set_t. The default behavior will also depend on whether the mesh is fixed (where we snap coordinates to cell centers) or moving/deformable. The distance between requested probe locations and matching cell centers is also summarized in run_solver.lig.

Regards,

Yvan
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