From 2d41f24639a3cae82b31218965d3f80074c81c0e Mon Sep 17 00:00:00 2001
From: Henry Weller <http://openfoam.org>
Date: Tue, 15 Aug 2017 10:01:57 +0100
Subject: [PATCH] chtMultiRegionFoam: Corrected pressure and density update
 order

Resolves bug-report https://bugs.openfoam.org/view.php?id=2663
---
 .../solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H      | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
index 4dec94266..8773c152b 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/pEqn.H
@@ -70,12 +70,12 @@ constrainPressure(p_rgh, rho, U, phiHbyA, rhorAUf, MRF);
         }
     }
 
+    p = p_rgh + rho*gh;
+
     // Thermodynamic density update
     thermo.correctRho(psi*p - psip0);
 }
 
-p = p_rgh + rho*gh;
-
 // Update pressure time derivative if needed
 if (thermo.dpdt())
 {