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BUG: Correcting htc definition to avoid negative values

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This commit is contained in:
sergio 2020-06-23 08:13:33 -07:00 committed by Mark Olesen
parent 4248fdcd96
commit c49d923392
1 changed files with 11 additions and 2 deletions
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13
src/functionObjects/field/externalCoupled/externalCoupledTemperatureMixed/externalCoupledTemperatureMixedFvPatchScalarField.C
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@ -280,9 +280,18 @@ void Foam::externalCoupledTemperatureMixedFvPatchScalarField::writeData
const scalarField Tfluid(tfluid);
// Heat transfer coefficient [W/m2/K]
const scalarField htc(qDot/(max(Twall - Tfluid), 1e-3));
// This htc needs to be always larger or equal to zero
//const scalarField htc(qDot/max(Twall - Tfluid, 1e-3));
scalarField htc(qDot.size(), 0);
forAll (qDot, i)
{
scalar deltaT = mag(Twall[i] - Tfluid[i]);
if (deltaT > 1e-3)
{
htc[i] = sign(qDot[i])*qDot[i]/deltaT;
}
}
const Field<scalar>& magSf = this->patch().magSf();