From a060b369fa871826b6d5f51922cf76fd03a0ce5a Mon Sep 17 00:00:00 2001
From: Vuko Vukcevic <vuko.vukcevic@fsb.hr>
Date: Fri, 25 Nov 2016 10:47:06 +0100
Subject: [PATCH] emptyOversetFvPatchField acts as zeroGradient on evaluation

---
 .../emptyOversetFvPatchField/emptyOversetFvPatchField.C       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/oversetMesh/oversetFvPatchField/emptyOversetFvPatchField/emptyOversetFvPatchField.C b/src/oversetMesh/oversetFvPatchField/emptyOversetFvPatchField/emptyOversetFvPatchField.C
index 1d50ab7..cf0896d 100644
--- a/src/oversetMesh/oversetFvPatchField/emptyOversetFvPatchField/emptyOversetFvPatchField.C
+++ b/src/oversetMesh/oversetFvPatchField/emptyOversetFvPatchField/emptyOversetFvPatchField.C
@@ -102,8 +102,8 @@ void emptyOversetFvPatchField<Type>::evaluate(const Pstream::commsTypes)
         this->updateCoeffs();
     }
 
-//    fvPatchField<Type>::operator==(this->patchInternalField());
-    fvPatchField<Type>::operator==(pTraits<Type>::zero);
+    // Note: acts as zero gradient boundary condition
+    fvPatchField<Type>::operator==(this->patchInternalField());
     fvPatchField<Type>::evaluate();
 }