ENH: Added active() function to NoHeatTransfer model

src/lagrangian/intermediate/submodels/Thermodynamic/HeatTransferModel/NoHeatTransfer/NoHeatTransfer.C

@@ -57,6 +57,13 @@ Foam::NoHeatTransfer<CloudType>::~NoHeatTransfer()
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
+template<class CloudType>
+bool Foam::NoHeatTransfer<CloudType>::active() const
+{
+    return false;
+}
+
+
 template<class CloudType>
 Foam::scalar Foam::NoHeatTransfer<CloudType>::Nu
 (

src/lagrangian/intermediate/submodels/Thermodynamic/HeatTransferModel/NoHeatTransfer/NoHeatTransfer.H

@@ -78,6 +78,9 @@ public:
 
     // Member Functions
 
+        //- Flag to indicate whether model activates heat transfer model
+        virtual bool active() const;
+
         //- Nusselt number
         virtual scalar Nu(const scalar, const scalar) const;