added: StandardWellEquations::sumDistributed

this sums up the global equation system for distributed wells

opm/simulators/wells/StandardWellEquations.cpp

@@ -385,6 +385,14 @@ extractCPRPressureMatrix(PressureMatrix& jacobian,
     }
 }
 
+template<class Scalar, int numEq>
+void StandardWellEquations<Scalar,numEq>::
+sumDistributed(Parallel::Communication comm)
+{
+  // accumulate resWell_ and duneD_ in parallel to get effects of all perforations (might be distributed)
+    wellhelpers::sumDistributedWellEntries(duneD_[0][0], resWell_[0], comm);
+}
+
 #define INSTANCE(N) \
 template class StandardWellEquations<double,N>; \
 template void StandardWellEquations<double,N>:: \

opm/simulators/wells/StandardWellEquations.hpp

@@ -23,6 +23,7 @@
 #ifndef OPM_STANDARDWELL_EQUATIONS_HEADER_INCLUDED
 #define OPM_STANDARDWELL_EQUATIONS_HEADER_INCLUDED
 
+#include <opm/simulators/utils/ParallelCommunication.hpp>
 #include <opm/simulators/wells/WellHelpers.hpp>
 
 #include <dune/common/dynmatrix.hh>
@@ -113,6 +114,9 @@ public:
     //! \brief Get the number of blocks of the C and B matrices.
     unsigned int getNumBlocks() const;
 
+    //! \brief Sum with off-process contribution.
+    void sumDistributed(Parallel::Communication comm);
+
     // two off-diagonal matrices
     OffDiagMatWell duneB_;
     OffDiagMatWell duneC_;

opm/simulators/wells/StandardWell_impl.hpp

@@ -526,8 +526,8 @@ namespace Opm
         }
 
         // accumulate resWell_ and duneD_ in parallel to get effects of all perforations (might be distributed)
-        wellhelpers::sumDistributedWellEntries(this->linSys_.duneD_[0][0], this->linSys_.resWell_[0],
-                                               this->parallel_well_info_.communication());
+        this->linSys_.sumDistributed(this->parallel_well_info_.communication());
+
         // add vol * dF/dt + Q to the well equations;
         for (int componentIdx = 0; componentIdx < numWellConservationEq; ++componentIdx) {
             // TODO: following the development in MSW, we need to convert the volume of the wellbore to be surface volume