EclProblem: provide access to the "raw" transmissibilities object

ebos/eclproblem.hh

@@ -622,6 +622,12 @@ public:
         return pffDofData_.get(context.element(), toDofLocalIdx).transmissibility;
     }
 
+    /*!
+     * \brief Return a reference to the object that handles the "raw" transmissibilities.
+     */
+    const EclTransmissibility<TypeTag>& eclTransmissibilities() const
+    { return transmissibilities_; }
+
     /*!
      * \copydoc BlackOilBaseProblem::thresholdPressure
      */