Revert non-orthogonality treatment for non-coupled BCs.

src/finiteVolume/fvMesh/fvPatches/constraint/wedge/wedgeFvPatch.C

@@ -46,15 +46,6 @@ wedgeFvPatch::wedgeFvPatch(const polyPatch& patch, const fvBoundaryMesh& bm)
 {}
 
 
-// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
-
-Foam::tmp<Foam::vectorField> Foam::wedgeFvPatch::delta() const
-{
-    const vectorField nHat(nf());
-    return nHat*(nHat & (Cf() - Cn()));
-}
-
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 } // End namespace Foam

src/finiteVolume/fvMesh/fvPatches/constraint/wedge/wedgeFvPatch.H

@@ -83,9 +83,6 @@ public:
             {
                 return wedgePolyPatch_.cellT();
             }
-
-            //- Return cell-centre to face normal vector
-            virtual tmp<vectorField> delta() const;
 };
 
 

src/finiteVolume/fvMesh/fvPatches/fvPatch/fvPatch.C

@@ -140,7 +140,9 @@ const Foam::scalarField& Foam::fvPatch::magSf() const
 
 Foam::tmp<Foam::vectorField> Foam::fvPatch::delta() const
 {
-    return Cf() - Cn();
+    // Use patch-normal delta for all non-coupled BCs
+    const vectorField nHat(nf());
+    return nHat*(nHat & (Cf() - Cn()));
 }