From eea72282ab42438cf0232e962b071a6e4aa29599 Mon Sep 17 00:00:00 2001
From: Andrew Heather <>
Date: Mon, 20 Nov 2023 14:32:11 +0000
Subject: [PATCH] ENH: CHT solvers - avoid fvSolution persisting on time db

---
 .../chtMultiRegionFoam/include/createCoupledRegions.H     | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/include/createCoupledRegions.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/include/createCoupledRegions.H
index 6175adc5e6..5c68ae7c07 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/include/createCoupledRegions.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/include/createCoupledRegions.H
@@ -1,6 +1,8 @@
-fvSolution solutionDict(runTime);
-
-bool coupled(solutionDict.getOrDefault("coupledEnergyField", false));
+bool coupled = false;
+{
+    fvSolution solutionDict(runTime);
+    solutionDict.readIfPresent("coupledEnergyField", coupled);
+}
 
 autoPtr<fvMatrix<scalar>> fvMatrixAssemblyPtr;