Help me about modifying the outlet patch boudary condition,how to write updateCoef()
here is the case, a box with two patches on top of that, one patch is for the input, the other patch is for the outlet, the inlet has a incompressible wind,the velocity U=1m/s, and I need to forcely set the outlet patch's p = 0.8*U*U, which means that the outlet patch's p is varying with the outlet's U, I have set the
the 0/p is :
value uniform 0;
which, myNewVelocity inherit from class:fixedValueFvPatchField, but I don't know how to set p=0.8*U*U in the updateCoeffs() function, please help me.
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