TofDiscGalReorder.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_TOFDISCGALREORDER_HEADER_INCLUDED
#define OPM_TOFDISCGALREORDER_HEADER_INCLUDED
 
#include <opm/core/transport/reorder/ReorderSolverInterface.hpp>
#include <memory>
#include <vector>
#include <map>
#include <ostream>
 
struct UnstructuredGrid;
 
namespace Opm
{
 
    class IncompPropertiesInterface;
    class ParameterGroup;
    class VelocityInterpolationInterface;
    class DGBasisInterface;
    template <typename T> class SparseTable;
 
    class TofDiscGalReorder : public ReorderSolverInterface
    {
    public:
        TofDiscGalReorder(const UnstructuredGrid& grid,
                          const ParameterGroup& param);
 
 
        void solveTof(const double* darcyflux,
                      const double* porevolume,
                      const double* source,
                      std::vector<double>& tof_coeff);
 
        void solveTofTracer(const double* darcyflux,
                            const double* porevolume,
                            const double* source,
                            const SparseTable<int>& tracerheads,
                            std::vector<double>& tof_coeff,
                            std::vector<double>& tracer_coeff);
 
    private:
        virtual void solveSingleCell(const int cell);
        virtual void solveMultiCell(const int num_cells, const int* cells);
 
        void cellContribs(const int cell);
        void faceContribs(const int cell);
        void solveLinearSystem(const int cell);
 
    private:
        // Disable copying and assignment.
        TofDiscGalReorder(const TofDiscGalReorder&);
        TofDiscGalReorder& operator=(const TofDiscGalReorder&);
 
        // Data members
        const UnstructuredGrid& grid_;
        std::shared_ptr<VelocityInterpolationInterface> velocity_interpolation_;
        bool use_cvi_;
        bool use_limiter_;
        double limiter_relative_flux_threshold_;
        enum LimiterMethod { MinUpwindFace, MinUpwindAverage };
        LimiterMethod limiter_method_;
        enum LimiterUsage { DuringComputations, AsPostProcess, AsSimultaneousPostProcess };
        LimiterUsage limiter_usage_;
        const double* darcyflux_;   // one flux per grid face
        const double* porevolume_;  // one volume per cell
        const double* source_;      // one volumetric source term per cell
        std::shared_ptr<DGBasisInterface> basis_func_;
        double* tof_coeff_;
        // For tracers.
        double* tracer_coeff_;
        int num_tracers_;
        enum { NoTracerHead = -1 };
        std::vector<int> tracerhead_by_cell_;
        bool tracers_ensure_unity_;
        // Used by solveSingleCell().
        std::vector<double> rhs_;   // single-cell right-hand-sides
        std::vector<double> jac_;   // single-cell jacobian
        std::vector<double> orig_rhs_;   // single-cell right-hand-sides (copy)
        std::vector<double> orig_jac_;   // single-cell jacobian (copy)
        std::vector<double> coord_;
        mutable std::vector<double> basis_;
        mutable std::vector<double> basis_nb_;
        std::vector<double> grad_basis_;
        std::vector<double> velocity_;
        int num_singlesolves_;
        // Used by solveMultiCell():
        double gauss_seidel_tol_;
        int num_multicell_;
        int max_size_multicell_;
        int max_iter_multicell_;
 
        // Private methods
 
        // Apply some limiter, writing to array tof
        // (will read data from tof_coeff_, it is ok to call
        //  with tof_coeff as tof argument.
        void applyLimiter(const int cell, double* tof);
        void applyMinUpwindLimiter(const int cell, const bool face_min, double* tof);
        void applyLimiterAsPostProcess();
        void applyLimiterAsSimultaneousPostProcess();
        double totalFlux(const int cell) const;
        double minCornerVal(const int cell, const int face) const;
 
        // Apply a simple (restrict to [0,1]) limiter.
        // Intended for tracers.
        void applyTracerLimiter(const int cell, double* local_coeff);
    };
 
} // namespace Opm
 
#endif // OPM_TRANSPORTMODELTRACERTOFDISCGAL_HEADER_INCLUDED