Added phaseName() method.

opm/autodiff/BlackoilModelBase.hpp

@@ -208,6 +208,9 @@ namespace Opm {
         /// The number of active phases in the model.
         int numPhases() const;
 
+        /// The name of an active phase in the model.
+        const std::string& phaseName(int phase_index) const;
+
         /// Update the scaling factors for mass balance equations
         void updateEquationsScaling();
 
@@ -274,6 +277,7 @@ namespace Opm {
 
         std::vector<int>         primalVariable_;
         V pvdt_;
+        std::vector<std::string> phase_name_;
 
         // ---------  Protected methods  ---------
 

opm/autodiff/BlackoilModelBase_impl.hpp

@@ -179,7 +179,9 @@ namespace detail {
                         ADB::null(),
                         { 1.1169, 1.0031, 0.0031 }} ) // the default magic numbers
         , terminal_output_ (terminal_output)
+        , phase_name_{ "Water", "Oil", "Gas" }
     {
+        assert(numPhases() == 3); // Due to the phase_name_ init above.
 #if HAVE_MPI
         if ( linsolver_.parallelInformation().type() == typeid(ParallelISTLInformation) )
         {
@@ -284,6 +286,19 @@ namespace detail {
 
 
 
+    template <class Grid, class Implementation>
+    const std::string&
+    BlackoilModelBase<Grid, Implementation>::
+    phaseName(int phase_index) const
+    {
+        assert(phase_index < numPhases());
+        return phase_name_[phase_index];
+    }
+
+
+
+
+
     template <class Grid, class Implementation>
     void
     BlackoilModelBase<Grid, Implementation>::