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Old   June 15, 2023, 10:31
Default Coupled Boundary
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Hi,

I have been trying to couple the temperature across two boundaries almost as an expression.

One boundary is considered as an inlet with with a fixedValue temperature type that should be linked to an outlet boundary of adiabatic (zeroGradient) condition. Essentially the inlet temperature should be half of the average temperature recorded on the outlet surface.

I tried the following, however this code does not work. Any guidance would be very much appreciated.

HTML Code:
\T:
    Supply
    {
        type            zeroGradient;
    }

    Return
    {
        type            fixedValue;
        value           $Supply/(0.5);
    }

\U:
    Return
    {
        type                flowRateInletVelocity;
        volumetricFlowRate  0.625; // m3/s
        value               uniform (0 0 0);
    }

    Supply
    {
        type                flowRateOutletVelocity;
        volumetricFlowRate  0.625; // m3/s
        value               uniform (0 0 0);  
    }
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