diff --git a/src/OpenFOAM/fields/Fields/DynamicField/DynamicField.H b/src/OpenFOAM/fields/Fields/DynamicField/DynamicField.H
index 5d19967daf..d0f4d4cb21 100644
--- a/src/OpenFOAM/fields/Fields/DynamicField/DynamicField.H
+++ b/src/OpenFOAM/fields/Fields/DynamicField/DynamicField.H
@@ -105,6 +105,12 @@ public:
         //- Construct given size.
         explicit inline DynamicField(const label);
 
+        //- Construct given size and initial value
+        inline DynamicField(const label, const T&);
+
+        //- Construct given size and initialised to zero
+        inline DynamicField(const label, const zero);
+
         //- Construct from UList. Size set to UList size.
         //  Also constructs from DynamicField with different sizing parameters.
         explicit inline DynamicField(const UList<T>&);
diff --git a/src/OpenFOAM/fields/Fields/DynamicField/DynamicFieldI.H b/src/OpenFOAM/fields/Fields/DynamicField/DynamicFieldI.H
index 75f37e58e8..7459352979 100644
--- a/src/OpenFOAM/fields/Fields/DynamicField/DynamicFieldI.H
+++ b/src/OpenFOAM/fields/Fields/DynamicField/DynamicFieldI.H
@@ -47,6 +47,30 @@ inline Foam::DynamicField<T, SizeInc, SizeMult, SizeDiv>::DynamicField
 }
 
 
+template<class T, unsigned SizeInc, unsigned SizeMult, unsigned SizeDiv>
+inline Foam::DynamicField<T, SizeInc, SizeMult, SizeDiv>::DynamicField
+(
+    const label nElem,
+    const T& t
+)
+:
+    Field<T>(nElem, t),
+    capacity_(Field<T>::size())
+{}
+
+
+template<class T, unsigned SizeInc, unsigned SizeMult, unsigned SizeDiv>
+inline Foam::DynamicField<T, SizeInc, SizeMult, SizeDiv>::DynamicField
+(
+    const label nElem,
+    const zero
+)
+:
+    Field<T>(nElem, Zero),
+    capacity_(Field<T>::size())
+{}
+
+
 template<class T, unsigned SizeInc, unsigned SizeMult, unsigned SizeDiv>
 inline Foam::DynamicField<T, SizeInc, SizeMult, SizeDiv>::DynamicField
 (