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93c368cbfa
This commit switches the approach introduced in commit eeb1b7e36 (PR
#3169) to using a mobility weighted average of cell level densities
for the connection level mixture densities in no-flow producing
wells. We also use the recent stoppedOrZeroRateTarget() predicate
to identify those no-flow producing wells instead of inspecting the
connection flow rates.
The mobility weighted average gives a more monotone pressure buildup
for the stopped wells and this is usually what the engineer wants.
This revised approach furthermore needs fewer cell-level dynamic
properties so simplify the computeProperties() signature by
introducing a structure for the property callback functions and
update the callers accordingly.
171 lines
6.5 KiB
C++
171 lines
6.5 KiB
C++
/*
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Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
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Copyright 2017 Statoil ASA.
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Copyright 2016 - 2017 IRIS AS.
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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_STANDARDWELL_CONNECTIONS_HEADER_INCLUDED
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#define OPM_STANDARDWELL_CONNECTIONS_HEADER_INCLUDED
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#include <opm/simulators/wells/StandardWellPrimaryVariables.hpp>
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#include <array>
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#include <functional>
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#include <tuple>
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#include <variant>
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#include <vector>
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namespace Opm
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{
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class DeferredLogger;
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enum class Phase;
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template<class FluidSystem, class Indices> class WellInterfaceIndices;
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template<class Scalar> class WellState;
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template<class Scalar> class PerfData;
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template<class FluidSystem, class Indices>
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class StandardWellConnections
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{
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public:
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using Scalar = typename FluidSystem::Scalar;
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StandardWellConnections(const WellInterfaceIndices<FluidSystem,Indices>& well);
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struct Properties
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{
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std::vector<Scalar> b_perf{};
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std::vector<Scalar> rsmax_perf{};
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std::vector<Scalar> rvmax_perf{};
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std::vector<Scalar> rvwmax_perf{};
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std::vector<Scalar> rswmax_perf{};
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std::vector<Scalar> surf_dens_perf{};
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};
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struct PressurePropertyFunctions
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{
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std::function<Scalar(int,int)> getTemperature{};
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std::function<Scalar(int)> getSaltConcentration{};
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std::function<int(int)> pvtRegionIdx{};
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std::function<Scalar(int)> solventInverseFormationVolumeFactor{};
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std::function<Scalar(int)> solventRefDensity{};
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};
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struct DensityPropertyFunctions
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{
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std::function<void(int, const std::vector<int>&, std::vector<Scalar>&)> mobility{};
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std::function<void(int, const std::vector<int>&, std::vector<Scalar>&)> densityInCell{};
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};
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Properties
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computePropertiesForPressures(const WellState<Scalar>& well_state,
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const PressurePropertyFunctions& propFunc) const;
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//! \brief Compute connection properties (densities, pressure drop, ...)
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void computeProperties(const bool stop_or_zero_rate_target,
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const WellState<Scalar>& well_state,
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const DensityPropertyFunctions& prop_func,
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const Properties& props,
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DeferredLogger& deferred_logger);
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//! \brief Returns density for first perforation.
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Scalar rho() const
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{
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return this->rho(0);
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}
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//! \brief Returns density for specific perforation/connection.
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//!
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//! \param[in] i Connection index
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//!
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//! \return Mixture density at connection \p i.
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Scalar rho(const typename std::vector<Scalar>::size_type i) const
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{
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return (i < this->perf_densities_.size())
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? this->perf_densities_[i]
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: 0.0;
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}
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//! \brief Returns pressure drop for a given perforation.
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Scalar pressure_diff(const unsigned perf) const
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{ return perf_pressure_diffs_[perf]; }
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using Eval = typename WellInterfaceIndices<FluidSystem,Indices>::Eval;
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using EvalWell = typename StandardWellPrimaryVariables<FluidSystem,Indices>::EvalWell;
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Eval connectionRateBrine(Scalar& rate,
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const Scalar vap_wat_rate,
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const std::vector<EvalWell>& cq_s,
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const std::variant<Scalar,EvalWell>& saltConcentration) const;
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Eval connectionRateFoam(const std::vector<EvalWell>& cq_s,
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const std::variant<Scalar,EvalWell>& foamConcentration,
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const Phase transportPhase,
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DeferredLogger& deferred_logger) const;
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std::tuple<Eval,EvalWell>
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connectionRatePolymer(Scalar& rate,
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const std::vector<EvalWell>& cq_s,
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const std::variant<Scalar,EvalWell>& polymerConcentration) const;
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std::tuple<Eval,Eval,Eval>
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connectionRatesMICP(const std::vector<EvalWell>& cq_s,
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const std::variant<Scalar,EvalWell>& microbialConcentration,
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const std::variant<Scalar,EvalWell>& oxygenConcentration,
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const std::variant<Scalar,EvalWell>& ureaConcentration) const;
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std::tuple<Eval,EvalWell>
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connectionRatezFraction(Scalar& rate,
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const Scalar dis_gas_rate,
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const std::vector<EvalWell>& cq_s,
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const std::variant<Scalar, std::array<EvalWell,2>>& solventConcentration) const;
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private:
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void computePressureDelta();
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// TODO: not total sure whether it is a good idea to put this function here
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// the major reason to put here is to avoid the usage of Wells struct
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void computeDensities(const std::vector<Scalar>& perfComponentRates,
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const Properties& props,
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DeferredLogger& deferred_logger);
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void computeDensitiesForStoppedProducer(const DensityPropertyFunctions& prop_func);
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std::vector<Scalar>
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calculatePerforationOutflow(const std::vector<Scalar>& perfComponentRates) const;
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void initialiseConnectionMixture(const int num_comp,
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const int perf,
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const std::vector<Scalar>& q_out_perf,
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const std::vector<Scalar>& currentMixture,
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std::vector<Scalar>& previousMixture) const;
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std::vector<Scalar>
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copyInPerforationRates(const Properties& props,
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const PerfData<Scalar>& perf_data) const;
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const WellInterfaceIndices<FluidSystem,Indices>& well_; //!< Reference to well interface
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std::vector<Scalar> perf_densities_; //!< densities of the fluid in each perforation
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std::vector<Scalar> perf_pressure_diffs_; //!< // pressure drop between different perforations
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};
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}
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#endif // OPM_STANDARDWELL_CONNECTIONS_HEADER_INCLUDED
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