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How to access force values calculated by the function object.

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Old   June 1, 2021, 14:25
Default How to access force values calculated by the function object.
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M.H
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Hello all,

I am currently trying to make a new immersed-boundary solver in Foam-Extend. As part of my calculations, I need to access the forces that are exerted on the immersed object. They are calculated by a function object and I can run the function object using this line of code whenever I want:

runTime.functionObjects().execute();

This will print the forces on screen and creates a forces file. I need to access these forces values to do my calculations but I don't know how. The force calculations are done in forces.C :

Foam::forces::forcesMoments Foam::forces::calcForcesMoment() const
{
.... some code ...
return fm;
}

Is there any way I can access the values calculated by the function object? Or maybe read it from the file that is dumped by the function object? Or maybe save them somehow in object registry to access them later?

Thanks in advance
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Old   June 27, 2023, 12:15
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Bailey
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did you ever figure out how to do this? this is exactly what I am trying to do now but I cannot find much help online
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