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106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
/*
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Copyright 2020 Equinor ASA.
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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_WELLPRODINDEXCALCULATOR_HEADER_INCLUDED
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#define OPM_WELLPRODINDEXCALCULATOR_HEADER_INCLUDED
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#include <cstddef>
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#include <vector>
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namespace Opm {
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class Well;
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} // namespace Opm
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namespace Opm {
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/// Collect per-connection static information to enable calculating
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/// connection-level or well-level productivity index values when
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/// incorporating dynamic phase mobilities.
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class WellProdIndexCalculator
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{
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public:
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/// Constructor
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///
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/// \param[in] well Individual well for which to collect
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/// per-connection static data.
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explicit WellProdIndexCalculator(const Well& well);
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/// Compute connection-level steady-state productivity index value
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/// using dynamic phase mobility.
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///
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/// \param[in] connIdx Linear connection index. Must be in the
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/// range 0..numConnections() - 1.
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///
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/// \param[in] connMobility Phase mobility at connection \p connIdx.
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/// Typically derived from dynamic flow state conditions in cell
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/// intersected by well's connection \p connIdx.
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///
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/// \return Connection-level steady-state productivity index.
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double connectionProdIndStandard(const std::size_t connIdx,
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const double connMobility) const;
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/// Number of connections in this well.
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///
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/// Used primarily for consistency checks.
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std::size_t numConnections() const
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{
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return this->standardConnFactors_.size();
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}
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private:
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/// Static, per-connection multiplicative PI factors.
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///
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/// Corresponds to the well's connection transmissibility factors,
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/// multiplied by a ratio of logarithms if the well has an explicit,
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/// positive drainage radius.
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std::vector<double> standardConnFactors_{};
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};
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/// Compute connection-level productivity index values for all
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/// connections in a well.
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///
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/// \param[in] wellPICalc Productivity index calculator.
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///
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/// \param[in] connMobility Phase mobility for each connection.
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/// Typically derived from dynamic flow state conditions in cells
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/// intersected by well's connections. Must have one value for each
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/// \code wellPICalc.numConnections() \endcode well connection.
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///
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/// \return Connection-level steady-state productivity index values for
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/// all connections.
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std::vector<double>
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connectionProdIndStandard(const WellProdIndexCalculator& wellPICalc,
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const std::vector<double>& connMobility);
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/// Compute well-level productivity index value.
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///
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/// \param[in] wellPICalc Productivity index calculator.
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///
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/// \param[in] connMobility Phase mobility for each connection.
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/// Typically derived from dynamic flow state conditions in cells
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/// intersected by well's connections. Must have one value for each
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/// \code wellPICalc.numConnections() \endcode well connection.
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///
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/// \return Well-level steady-state productivity index value.
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double wellProdIndStandard(const WellProdIndexCalculator& wellPICalc,
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const std::vector<double>& connMobility);
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} // namespace Opm
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#endif // OPM_WELLPRODINDEXCALCULATOR_HEADER_INCLUDED
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