ECLFluxCalc.hpp

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/*
  Copyright 2017 Statoil ASA.
 
  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_ECLFLUXCALC_HEADER_INCLUDED
#define OPM_ECLFLUXCALC_HEADER_INCLUDED
 
#include <opm/utility/ECLGraph.hpp>
#include <opm/utility/ECLPhaseIndex.hpp>
#include <opm/utility/ECLPvtGas.hpp>
#include <opm/utility/ECLPvtOil.hpp>
#include <opm/utility/ECLPvtWater.hpp>
#include <opm/utility/ECLRegionMapping.hpp>
#include <opm/utility/ECLSaturationFunc.hpp>
 
#include <memory>
#include <vector>
 
namespace Opm
{
 
    class ECLRestartData;
    class ECLInitFileData;
 
    class ECLFluxCalc
    {
    public:
        ECLFluxCalc(const ECLGraph&        graph,
                    const ECLInitFileData& init,
                    const double           grav,
                    const bool             useEPS);
 
        std::vector<double>
        flux(const ECLRestartData& rstrt,
             const ECLPhaseIndex   phase) const;
 
        std::vector<double>
        massflux(const ECLRestartData& rstrt,
                 const ECLPhaseIndex   phase) const;
 
        struct DynamicData
        {
            std::vector<double> pressure;
            std::vector<double> mobility;
            std::vector<double> density;
            std::vector<double> saturation;
        };
 
        DynamicData phaseProperties(const ECLRestartData& rstrt,
                                    const ECLPhaseIndex   phase) const;
 
        double surfaceDensity(const ECLPhaseIndex phase) const;
 
    private:
        double singleFlux(const int connection,
                          const DynamicData& dyn_data) const;
 
        double singleMassFlux(const int connection,
                              const DynamicData& dyn_data) const;
 
 
        bool phaseIsActive(const ECLPhaseIndex phase) const;
 
        DynamicData gasPVT(const ECLRestartData& rstrt,
                           DynamicData&&         dyn_data) const;
 
        DynamicData oilPVT(const ECLRestartData& rstrt,
                           DynamicData&&         dyn_data) const;
 
        DynamicData watPVT(DynamicData&& dyn_data) const;
 
        void computePhaseMobility(const int                  regID,
                                  const std::vector<double>& mu,
                                  DynamicData&               dyn_data) const;
 
        template <typename T>
        std::vector<T>
        gatherRegionSubset(const int             reg,
                           const std::vector<T>& x) const
        {
            auto y = std::vector<T>{};
 
            if (x.empty()) {
                return y;
            }
 
            for (const auto& ix : this->rmap_.getRegionIndices(reg)) {
                y.push_back(x[ix]);
            }
 
            return y;
        }
 
        template <typename T>
        void scatterRegionResults(const int             reg,
                                  const std::vector<T>& x_reg,
                                  std::vector<T>&       x) const
        {
            auto i = static_cast<decltype(x_reg.size())>(0);
 
            for (const auto& ix : this->rmap_.getRegionIndices(reg)) {
                x[ix] = x_reg[i++];
            }
        }
 
        template <class RegOp>
        void regionLoop(RegOp&& regOp) const
        {
            for (const auto& regID : this->rmap_.activeRegions()) {
                regOp(regID);
            }
        }
 
        const ECLGraph& graph_;
        ECLSaturationFunc satfunc_;
        ECLRegionMapping rmap_;
        std::vector<int> neighbours_;
        std::vector<double> transmissibility_;
        std::vector<double> gravDz_;
 
        bool disgas_{false};
        bool vapoil_{false};
 
        std::unique_ptr<ECLPVT::Gas> pvtGas_;
        std::unique_ptr<ECLPVT::Oil> pvtOil_;
        std::unique_ptr<ECLPVT::Water> pvtWat_;
    };
 
} // namespace Opm
 
#endif // OPM_ECLFLUXCALC_HEADER_INCLUDED