MinpvProcessor.hpp

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/*
  Copyright 2014 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_MINPVPROCESSOR_HEADER_INCLUDED
#define OPM_MINPVPROCESSOR_HEADER_INCLUDED
 
#include <array>
#include <cstddef>
#include <functional>
#include <map>
#include <numeric>
#include <vector>
 
namespace Opm
{
 
    class MinpvProcessor
    {
    public:
 
        struct Result {
            std::vector<std::size_t> removed_cells;
            std::map<int,int> nnc;
 
            void add_nnc(int cell1, int cell2);
        };
 
 
        MinpvProcessor(const int nx, const int ny, const int nz);
        Result process(const std::vector<double>& thickness,
                       const double z_tolerance,
                       const double max_gap,
                       const std::vector<double>& pv,
                       const std::vector<double>& minpvv,
                       const std::vector<int>& actnum,
                       const bool mergeMinPVCells,
                       double* zcorn,
                       const bool pinchNOGAP = false,
                       const bool pinchOption4ALL = false,
                       const std::vector<double>& permz = {},
                       const std::function<double(int)>& multZ = [](int){ return 0;},
                       const double tolerance_unique_points = 0) const;
    private:
        double computeGap(const std::array<double,8>& coord_above, const std::array<double,8>& coord_below) const;
        std::array<int,8> cornerIndices(const int i, const int j, const int k) const;
        // Returns the eight z-values associated with a given cell.
        // The ordering is such that i runs fastest. That is, with
        // L = low and H = high:
        // {LLL, HLL, LHL, HHL, LLH, HLH, LHH, HHH }.
        std::array<double, 8> getCellZcorn(const int i, const int j, const int k, const double* z) const;
        void setCellZcorn(const int i, const int j, const int k, const std::array<double, 8>& cellz, double* z) const;
        std::array<int, 3> dims_;
        std::array<int, 3> delta_;
    };
 
} // namespace Opm
 
#endif // OPM_MINPVPROCESSOR_HEADER_INCLUDED