TransportSolverTwophaseReorder.hpp

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/*
  Copyright 2012 SINTEF ICT, Applied Mathematics.
 
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef OPM_TRANSPORTSOLVERTWOPHASEREORDER_HEADER_INCLUDED
#define OPM_TRANSPORTSOLVERTWOPHASEREORDER_HEADER_INCLUDED
 
#include <opm/core/transport/reorder/ReorderSolverInterface.hpp>
#include <opm/core/transport/TransportSolverTwophaseInterface.hpp>
#include <vector>
#include <map>
#include <ostream>
struct UnstructuredGrid;
 
namespace Opm
{
 
    class IncompPropertiesInterface;
 
    class TransportSolverTwophaseReorder : public TransportSolverTwophaseInterface, ReorderSolverInterface
    {
    public:
        TransportSolverTwophaseReorder(const UnstructuredGrid& grid,
                                       const Opm::IncompPropertiesInterface& props,
                                       const double* gravity,
                                       const double tol,
                                       const int maxit);
 
        // Virtual destructor.
        virtual ~TransportSolverTwophaseReorder();
 
        virtual void solve(const double* porevolume,
                           const double* source,
                           const double dt,
                           TwophaseState& state);
 
        void solveGravity(const double* porevolume,
                          const double dt,
                          TwophaseState& state);
 
        const std::vector<int>& getReorderIterations() const;
 
    private:
        void initGravity(const double* grav);
        void initColumns();
        virtual void solveSingleCell(const int cell);
        virtual void solveMultiCell(const int num_cells, const int* cells);
 
        void solveSingleCellGravity(const std::vector<int>& cells,
                                    const int pos,
                                    const double* gravflux);
        int solveGravityColumn(const std::vector<int>& cells);
    private:
        const UnstructuredGrid& grid_;
        const IncompPropertiesInterface& props_;
        const double* visc_;
        std::vector<double> smin_;
        std::vector<double> smax_;
        double tol_;
        int maxit_;
 
        const double* darcyflux_;   // one flux per grid face
        const double* porevolume_;  // one volume per cell
        const double* source_;      // one source per cell
        double dt_;
        std::vector<double> saturation_;        // one per cell, only water saturation!
        std::vector<double> fractionalflow_;  // = m[0]/(m[0] + m[1]) per cell
        std::vector<int> reorder_iterations_;
        //std::vector<double> reorder_fval_;
        // For gravity segregation.
        std::vector<double> gravflux_;
        std::vector<double> mob_;
        std::vector<double> s0_;
        std::vector<std::vector<int> > columns_;
 
        // Storing the upwind and downwind graphs for experiments.
        std::vector<int> ia_upw_;
        std::vector<int> ja_upw_;
        std::vector<int> ia_downw_;
        std::vector<int> ja_downw_;
 
        struct Residual;
        double fracFlow(double s, int cell) const;
 
        struct GravityResidual;
        void mobility(double s, int cell, double* mob) const;
    };
 
} // namespace Opm
 
#endif // OPM_TRANSPORTMODELTWOPHASE_HEADER_INCLUDED