From d1a0319972a1e3f33ca033e9c149b6de48225a22 Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Mon, 12 Nov 2012 10:47:49 +0000
Subject: [PATCH] ENH: Updated film netMass() calculation

---
 .../kinematicSingleLayer/kinematicSingleLayerI.H               | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayerI.H b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayerI.H
index 89eb8b61454..6a77b614bca 100644
--- a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayerI.H
+++ b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayerI.H
@@ -179,7 +179,8 @@ inline tmp<volScalarField> kinematicSingleLayer::netMass() const
 {
     dimensionedScalar d0("SMALL", dimLength, ROOTVSMALL);
     return
-        fvc::surfaceSum(phi_/(fvc::interpolate(delta_) + d0))*time().deltaT()
+        fvc::surfaceSum(pos(phi_)*phi_/(fvc::interpolate(delta_) + d0))
+       *time().deltaT()
       + rho_*delta_*magSf();
 }
 
-- 
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