New updateState

-- a new updateState is implemented based on dune vectors
-- the old is kept for comparision in this PR
-- the updateState is not identical.
Tested on spe1, spe9 and norne and it improves the convergence compares
to the old one.

opm/autodiff/NonlinearSolver.hpp

@@ -24,6 +24,9 @@
 #include <opm/autodiff/AutoDiffBlock.hpp>
 #include <opm/core/utility/parameters/ParameterGroup.hpp>
 #include <opm/core/simulator/SimulatorTimerInterface.hpp>
+#include <opm/autodiff/DuneMatrix.hpp>
+#include <dune/common/fmatrix.hh>
+#include <dune/istl/bcrsmatrix.hh>
 #include <memory>
 
 namespace Opm {
@@ -40,6 +43,10 @@ namespace Opm {
         typedef ADB::V V;
         typedef ADB::M M;
 
+        typedef double Scalar;
+        typedef Dune::FieldVector<Scalar, 3    >       VectorBlockType;
+        typedef Dune::BlockVector<VectorBlockType>      BVector;
+
         // Available relaxation scheme types.
         enum RelaxType { DAMPEN, SOR };
 
@@ -138,6 +145,8 @@ namespace Opm {
         /// Apply a stabilization to dx, depending on dxOld and relaxation parameters.
         void stabilizeNonlinearUpdate(V& dx, V& dxOld, const double omega) const;
 
+        void stabilizeNonlinearUpdate(BVector& dx, BVector& dxOld, const double omega) const;
+
         /// The greatest relaxation factor (i.e. smallest factor) allowed.
         double relaxMax() const          { return param_.relax_max_; }