From 9763346f3155fb8e01969d2297eb5d36e24709c3 Mon Sep 17 00:00:00 2001
From: Will Bainbridge <http://cfd.direct>
Date: Tue, 13 Nov 2018 09:24:30 +0000
Subject: [PATCH] chtMultiRegionFoam: Only do closed volume handling when
 running steady

This resolves bug report https://bugs.openfoam.org/view.php?id=3105
---
 .../solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
index d2186a71f..05446e6b6 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
@@ -22,7 +22,7 @@ surfaceScalarField phiHbyA
 
 MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
 
-const bool closedVolume = adjustPhi(phiHbyA, U, p_rgh);
+const bool closedVolume = mesh.steady() && adjustPhi(phiHbyA, U, p_rgh);
 const bool adjustMass = closedVolume && !thermo.incompressible();
 
 phiHbyA += phig;