From e84f3d110c026a3cd6b012fddcc1387a7bef573c Mon Sep 17 00:00:00 2001
From: Will Bainbridge <http://cfd.direct>
Date: Tue, 13 Sep 2022 12:43:43 +0100
Subject: [PATCH] externalWallHeatFluxTemperature: Corrected definition of Q

Resolves bug report https://bugs.openfoam.org/view.php?id=3882
---
 .../externalWallHeatFluxTemperatureFvPatchScalarField.C         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ThermophysicalTransportModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C b/src/ThermophysicalTransportModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
index 68e7267708..2cbf6a2338 100644
--- a/src/ThermophysicalTransportModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
+++ b/src/ThermophysicalTransportModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
@@ -304,7 +304,7 @@ void Foam::externalWallHeatFluxTemperatureFvPatchScalarField::updateCoeffs()
     scalarField qTot(qr);
     if (haveQ_)
     {
-        qTot += Q_;
+        qTot += Q_/gSum(patch().magSf());
     }
     if (haveq_)
     {