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97 lines
5.1 KiB
C++
97 lines
5.1 KiB
C++
/*
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Copyright 2014 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_WELLDENSITYSEGMENTED_HEADER_INCLUDED
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#define OPM_WELLDENSITYSEGMENTED_HEADER_INCLUDED
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#include <vector>
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struct Wells;
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namespace Opm
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{
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class WellStateFullyImplicitBlackoil;
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class WellStateFullyImplicitBlackoilSolvent;
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struct PhaseUsage;
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/// A class giving a well model, by which we mean a way to compute
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/// the pressure deltas of each perforation and the bottom-hole
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/// pressure. This class contains an explicit model, that uses a
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/// different density for each well segment, that is between each
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/// pair of perforations.
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class WellDensitySegmented
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{
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public:
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/// Compute well segment densities
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/// Notation: N = number of perforations, P = number of phases.
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/// \param[in] wells struct with static well info
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/// \param[in] wstate dynamic well solution information, only perfRates() is used
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/// \param[in] phase_usage specifies which phases are active and not
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/// \param[in] b_perf inverse ('little b') formation volume factor, size NP, P values per perforation
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/// \param[in] rsmax_perf saturation point for rs (gas in oil) at each perforation, size N
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/// \param[in] rvmax_perf saturation point for rv (oil in gas) at each perforation, size N
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/// \param[in] surf_dens surface densities for active components, size NP, P values per perforation
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static std::vector<double> computeConnectionDensities(const Wells& wells,
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const WellStateFullyImplicitBlackoil& wstate,
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const PhaseUsage& phase_usage,
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const std::vector<double>& b_perf,
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const std::vector<double>& rsmax_perf,
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const std::vector<double>& rvmax_perf,
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const std::vector<double>& surf_dens_perf);
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/// Compute well segment densities for solvent model
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/// Notation: N = number of perforations, P = number of phases.
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/// \param[in] wells struct with static well info
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/// \param[in] wstate dynamic well solution information, perfRates() and solventFraction() is used
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/// \param[in] phase_usage specifies which phases are active and not
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/// \param[in] b_perf inverse ('little b') formation volume factor, size NP, P values per perforation
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/// \param[in] rsmax_perf saturation point for rs (gas in oil) at each perforation, size N
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/// \param[in] rvmax_perf saturation point for rv (oil in gas) at each perforation, size N
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/// \param[in] surf_dens surface densities for active components, size NP, P values per perforation
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static std::vector<double> computeConnectionDensities(const Wells& wells,
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const WellStateFullyImplicitBlackoilSolvent& wstate,
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const PhaseUsage& phase_usage,
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const std::vector<double>& b_perf,
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const std::vector<double>& rsmax_perf,
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const std::vector<double>& rvmax_perf,
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const std::vector<double>& surf_dens_perf);
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/// Compute pressure deltas.
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/// Notation: N = number of perforations, P = number of phases.
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/// \param[in] wells struct with static well info
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/// \param[in] z_perf depth values for each perforation, size N
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/// \param[in] dens_perf densities for each perforation, size N (typically computed using computeConnectionDensities)
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/// \param[in] gravity gravity acceleration constant
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static std::vector<double> computeConnectionPressureDelta(const Wells& wells,
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const std::vector<double>& z_perf,
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const std::vector<double>& dens_perf,
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const double gravity);
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};
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} // namespace Opm
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#endif // OPM_WELLDENSITYSEGMENTED_HEADER_INCLUDED
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