From a4eee794967bfc859c82f9dc5396729ebfe353bc Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Fri, 31 Mar 2017 22:33:41 +0100
Subject: [PATCH] surfaceFilmModels::contactAngleForces: Provide empty list
 default value for zeroForcePatches

---
 .../contactAngleForces/contactAngleForce/contactAngleForce.C | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/force/contactAngleForces/contactAngleForce/contactAngleForce.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/force/contactAngleForces/contactAngleForce/contactAngleForce.C
index abd1096062..957b571e49 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/force/contactAngleForces/contactAngleForce/contactAngleForce.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/force/contactAngleForces/contactAngleForce/contactAngleForce.C
@@ -46,7 +46,10 @@ defineTypeNameAndDebug(contactAngleForce, 0);
 
 void contactAngleForce::initialise()
 {
-    const wordReList zeroForcePatches(coeffDict_.lookup("zeroForcePatches"));
+    const wordReList zeroForcePatches
+    (
+        coeffDict_.lookupOrDefault<wordReList>("zeroForcePatches", wordReList())
+    );
 
     if (zeroForcePatches.size())
     {