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How to access field values in openFOAM

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Old   February 18, 2024, 16:45
Default How to access field values in openFOAM
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hesam
Join Date: Dec 2013
Posts: 9
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Hello,
My question is how to access openFOAM fields (density, velocity, temperature, user-defined scalar, etc.) in openFOAM functions. For example, how can I define my energy source in the following scalarCodedSource as a function of my user-defined scalar "wT"? I'm using chtMultiRegionSimpleFoam solver.

---Here's my function to add the scalar transport equation "wT" in the controlDict dictionary:

functions
{
Adsorption
{
type scalarTransport;
libs (solverFunctionObjects);
resetOnStartUp no;
field wT;
D 0.1;


fvOptions
{
}
}
}

---Here's the scalarCodedSource in my fvOptions:

codedSource
{
type scalarCodedSource;
selectionMode all;

fields (h);
name sourceVelocity;

codeCorrect
#{
#};

codeConstrain
#{
#};

codeAddSup
#{

// How do I access w_T here?

const scalarField& cellx = mesh_.C().component(0);

forAll(cellx, i)
{
heSource[i] += "I need to use w_T here";
};

#};
}

Thank you very much.
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field values, function objects, openfoam


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