added manipulateMatrix function

src/finiteVolume/fields/fvPatchFields/fvPatchField/fvPatchField.C

@@ -28,6 +28,7 @@ License
 #include "dictionary.H"
 #include "fvMesh.H"
 #include "fvPatchFieldMapper.H"
+//#include "fvMatrices.H"
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
@@ -223,6 +224,13 @@ void Foam::fvPatchField<Type>::evaluate(const Pstream::commsTypes)
 }
 
 
+template<class Type>
+void Foam::fvPatchField<Type>::manipulateMatrix(fvMatrix<Type>& matrix)
+{
+    // do nothing
+}
+
+
 template<class Type>
 void Foam::fvPatchField<Type>::write(Ostream& os) const
 {

src/finiteVolume/fields/fvPatchFields/fvPatchField/fvPatchField.H

@@ -27,12 +27,12 @@ Class
 
 Description
     Abstract base class with a fat-interface to all derived classes
-    covering all possible ways in which they might be used. 
+    covering all possible ways in which they might be used.
 
     The first level of derivation is to basic patchFields which cover
     zero-gradient, fixed-gradient, fixed-value and mixed conditions.
 
-    The next level of derivation covers all the specialised typed with
+    The next level of derivation covers all the specialised types with
     specific evaluation proceedures, particularly with respect to specific
     fields.
 
@@ -66,6 +66,9 @@ class volMesh;
 template<class Type>
 class fvPatchField;
 
+template<class Type>
+class fvMatrix;
+
 template<class Type>
 Ostream& operator<<(Ostream&, const fvPatchField<Type>&);
 
@@ -407,6 +410,10 @@ public:
             }
 
 
+            //- Manipulate matrix
+            virtual void manipulateMatrix(fvMatrix<Type>& matrix);
+
+
         //- Write
         virtual void write(Ostream&) const;