mirror of
https://github.com/OPM/opm-simulators.git
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c623fba017
avoid rebuilding this for all simulators when code is only dependent on Scalar. instanced for double
511 lines
24 KiB
C++
511 lines
24 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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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_MULTISEGMENTWELL_HEADER_INCLUDED
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#define OPM_MULTISEGMENTWELL_HEADER_INCLUDED
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#include <opm/simulators/wells/WellInterface.hpp>
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#include <opm/simulators/wells/MultisegmentWellGeneric.hpp>
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#include <opm/parser/eclipse/EclipseState/Runspec.hpp>
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namespace Opm
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{
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class DeferredLogger;
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template<typename TypeTag>
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class MultisegmentWell : public WellInterface<TypeTag>
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, public MultisegmentWellGeneric<GetPropType<TypeTag, Properties::Scalar>>
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{
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public:
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typedef WellInterface<TypeTag> Base;
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using typename Base::Simulator;
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using typename Base::IntensiveQuantities;
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using typename Base::FluidSystem;
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using typename Base::ModelParameters;
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using typename Base::MaterialLaw;
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using typename Base::Indices;
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using typename Base::RateConverterType;
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using typename Base::SparseMatrixAdapter;
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using typename Base::FluidState;
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using typename Base::GasLiftSingleWell;
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using typename Base::GLiftProdWells;
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using typename Base::GLiftOptWells;
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using typename Base::GLiftWellStateMap;
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/// the number of reservior equations
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using Base::numEq;
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using Base::numPhases;
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using Base::has_solvent;
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using Base::has_polymer;
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using Base::Water;
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using Base::Oil;
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using Base::Gas;
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// TODO: for now, not considering the polymer, solvent and so on to simplify the development process.
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// TODO: we need to have order for the primary variables and also the order for the well equations.
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// sometimes, they are similar, while sometimes, they can have very different forms.
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// Table showing the primary variable indices, depending on what phases are present:
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//
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// WOG OG WG WO W/O/G (single phase)
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// GTotal 0 0 0 0 0
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// WFrac 1 -1000 1 1 -1000
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// GFrac 2 1 -1000 -1000 -1000
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// Spres 3 2 2 2 1
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static constexpr bool has_water = (Indices::waterSaturationIdx >= 0);
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static constexpr bool has_gas = (Indices::compositionSwitchIdx >= 0);
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static constexpr bool has_oil = (numPhases - has_gas - has_water) > 0;
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// In the implementation, one should use has_wfrac_variable
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// rather than has_water to check if you should do something
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// with the variable at the WFrac location, similar for GFrac.
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static constexpr bool has_wfrac_variable = has_water && numPhases > 1;
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static constexpr bool has_gfrac_variable = has_gas && has_oil;
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static constexpr int GTotal = 0;
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static constexpr int WFrac = has_wfrac_variable ? 1 : -1000;
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static constexpr int GFrac = has_gfrac_variable ? has_wfrac_variable + 1 : -1000;
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static constexpr int SPres = has_wfrac_variable + has_gfrac_variable + 1;
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// the number of well equations TODO: it should have a more general strategy for it
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static const int numWellEq = numPhases + 1;
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using typename Base::Scalar;
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/// the matrix and vector types for the reservoir
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using typename Base::BVector;
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using typename Base::Eval;
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// sparsity pattern for the matrices
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// [A C^T [x = [ res
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// B D ] x_well] res_well]
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// the vector type for the res_well and x_well
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typedef Dune::FieldVector<Scalar, numWellEq> VectorBlockWellType;
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typedef Dune::BlockVector<VectorBlockWellType> BVectorWell;
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// the matrix type for the diagonal matrix D
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typedef Dune::FieldMatrix<Scalar, numWellEq, numWellEq > DiagMatrixBlockWellType;
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typedef Dune::BCRSMatrix <DiagMatrixBlockWellType> DiagMatWell;
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// the matrix type for the non-diagonal matrix B and C^T
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typedef Dune::FieldMatrix<Scalar, numWellEq, numEq> OffDiagMatrixBlockWellType;
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typedef Dune::BCRSMatrix<OffDiagMatrixBlockWellType> OffDiagMatWell;
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// TODO: for more efficient implementation, we should have EvalReservoir, EvalWell, and EvalRerservoirAndWell
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// EvalR (Eval), EvalW, EvalRW
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// TODO: for now, we only use one type to save some implementation efforts, while improve later.
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typedef DenseAd::Evaluation<double, /*size=*/numEq + numWellEq> EvalWell;
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MultisegmentWell(const Well& well,
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const ParallelWellInfo& pw_info,
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const int time_step,
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const ModelParameters& param,
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const RateConverterType& rate_converter,
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const int pvtRegionIdx,
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const int num_components,
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const int num_phases,
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const int index_of_well,
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const int first_perf_index,
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const std::vector<PerforationData>& perf_data);
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virtual void init(const PhaseUsage* phase_usage_arg,
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const std::vector<double>& depth_arg,
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const double gravity_arg,
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const int num_cells,
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const std::vector< Scalar >& B_avg) override;
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virtual void initPrimaryVariablesEvaluation() const override;
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virtual void gasLiftOptimizationStage1 (
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WellState&,
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const Simulator&,
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DeferredLogger&,
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GLiftProdWells &,
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GLiftOptWells &,
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GLiftWellStateMap &
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) const override {
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// Not implemented yet
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}
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/// updating the well state based the current control mode
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void updateWellStateWithTarget(const Simulator& ebos_simulator,
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WellState& well_state,
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DeferredLogger& deferred_logger) const;
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/// check whether the well equations get converged for this well
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virtual ConvergenceReport getWellConvergence(const WellState& well_state, const std::vector<double>& B_avg, DeferredLogger& deferred_logger, const bool relax_tolerance = false) const override;
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/// Ax = Ax - C D^-1 B x
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virtual void apply(const BVector& x, BVector& Ax) const override;
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/// r = r - C D^-1 Rw
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virtual void apply(BVector& r) const override;
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#if HAVE_CUDA || HAVE_OPENCL
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/// add the contribution (C, D, B matrices) of this Well to the WellContributions object
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void addWellContribution(WellContributions& wellContribs) const;
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#endif
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/// using the solution x to recover the solution xw for wells and applying
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/// xw to update Well State
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virtual void recoverWellSolutionAndUpdateWellState(const BVector& x,
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WellState& well_state,
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DeferredLogger& deferred_logger) const override;
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/// computing the well potentials for group control
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virtual void computeWellPotentials(const Simulator& ebosSimulator,
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const WellState& well_state,
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std::vector<double>& well_potentials,
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DeferredLogger& deferred_logger) override;
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virtual void updatePrimaryVariables(const WellState& well_state, DeferredLogger& deferred_logger) const override;
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virtual void solveEqAndUpdateWellState(WellState& well_state, DeferredLogger& deferred_logger) override; // const?
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virtual void calculateExplicitQuantities(const Simulator& ebosSimulator,
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const WellState& well_state,
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DeferredLogger& deferred_logger) override; // should be const?
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virtual void updateProductivityIndex(const Simulator& ebosSimulator,
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const WellProdIndexCalculator& wellPICalc,
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WellState& well_state,
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DeferredLogger& deferred_logger) const override;
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virtual void addWellContributions(SparseMatrixAdapter& jacobian) const override;
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virtual std::vector<double> computeCurrentWellRates(const Simulator& ebosSimulator,
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DeferredLogger& deferred_logger) const override;
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void computeConnLevelProdInd(const FluidState& fs,
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const std::function<double(const double)>& connPICalc,
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const std::vector<EvalWell>& mobility,
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double* connPI) const;
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void computeConnLevelInjInd(const FluidState& fs,
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const Phase preferred_phase,
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const std::function<double(const double)>& connIICalc,
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const std::vector<EvalWell>& mobility,
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double* connII,
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DeferredLogger& deferred_logger) const;
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virtual bool useInnerIterations() const override {
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return param_.use_inner_iterations_ms_wells_;
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}
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protected:
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int number_segments_;
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// components of the pressure drop to be included
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WellSegments::CompPressureDrop compPressureDrop() const;
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// multi-phase flow model
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WellSegments::MultiPhaseModel multiphaseModel() const;
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// protected member variables from the Base class
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using Base::well_ecl_;
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using Base::vfp_properties_;
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using Base::ref_depth_;
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using Base::number_of_perforations_; // TODO: can use well_ecl_?
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using Base::current_step_;
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using Base::index_of_well_;
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using Base::number_of_phases_;
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// TODO: the current implementation really relies on the order of the
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// perforation does not change from the parser to Wells structure.
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using Base::well_cells_;
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using Base::param_;
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using Base::well_index_;
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using Base::first_perf_;
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using Base::saturation_table_number_;
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using Base::well_efficiency_factor_;
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using Base::gravity_;
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using Base::perf_depth_;
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using Base::num_components_;
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using Base::connectionRates_;
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using Base::ipr_a_;
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using Base::ipr_b_;
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using Base::changed_to_stopped_this_step_;
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// protected functions from the Base class
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using Base::phaseUsage;
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using Base::name;
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using Base::flowPhaseToEbosCompIdx;
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using Base::flowPhaseToEbosPhaseIdx;
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using Base::ebosCompIdxToFlowCompIdx;
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using Base::getAllowCrossFlow;
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using Base::scalingFactor;
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using Base::wellIsStopped;
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using Base::updateWellOperability;
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using Base::checkWellOperability;
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using Base::calculateBhpFromThp;
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using Base::getALQ;
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// TODO, the following should go to a class for computing purpose
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// two off-diagonal matrices
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mutable OffDiagMatWell duneB_;
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mutable OffDiagMatWell duneC_;
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// "diagonal" matrix for the well. It has offdiagonal entries for inlets and outlets.
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mutable DiagMatWell duneD_;
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/// \brief solver for diagonal matrix
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///
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/// This is a shared_ptr as MultisegmentWell is copied in computeWellPotentials...
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mutable std::shared_ptr<Dune::UMFPack<DiagMatWell> > duneDSolver_;
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// residuals of the well equations
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mutable BVectorWell resWell_;
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// the values for the primary varibles
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// based on different solutioin strategies, the wells can have different primary variables
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mutable std::vector<std::array<double, numWellEq> > primary_variables_;
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// the Evaluation for the well primary variables, which contain derivativles and are used in AD calculation
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mutable std::vector<std::array<EvalWell, numWellEq> > primary_variables_evaluation_;
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// depth difference between perforations and the perforated grid cells
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std::vector<double> cell_perforation_depth_diffs_;
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// pressure correction due to the different depth of the perforation and
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// center depth of the grid block
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std::vector<double> cell_perforation_pressure_diffs_;
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// the intial amount of fluids in each segment under surface condition
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std::vector<std::vector<double> > segment_fluid_initial_;
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// the densities of segment fluids
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// we should not have this member variable
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std::vector<EvalWell> segment_densities_;
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// the viscosity of the segments
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std::vector<EvalWell> segment_viscosities_;
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// the mass rate of the segments
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std::vector<EvalWell> segment_mass_rates_;
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// the upwinding segment for each segment based on the flow direction
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std::vector<int> upwinding_segments_;
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mutable int debug_cost_counter_ = 0;
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std::vector<std::vector<EvalWell>> segment_phase_fractions_;
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std::vector<std::vector<EvalWell>> segment_phase_viscosities_;
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std::vector<std::vector<EvalWell>> segment_phase_densities_;
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void initMatrixAndVectors(const int num_cells) const;
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EvalWell getBhp() const;
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EvalWell getQs(const int comp_idx) const;
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EvalWell getWQTotal() const;
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// xw = inv(D)*(rw - C*x)
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void recoverSolutionWell(const BVector& x, BVectorWell& xw) const;
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// updating the well_state based on well solution dwells
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void updateWellState(const BVectorWell& dwells,
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WellState& well_state,
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DeferredLogger& deferred_logger,
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const double relaxation_factor=1.0) const;
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// computing the accumulation term for later use in well mass equations
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void computeInitialSegmentFluids(const Simulator& ebos_simulator);
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// compute the pressure difference between the perforation and cell center
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void computePerfCellPressDiffs(const Simulator& ebosSimulator);
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// fraction value of the primary variables
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// should we just use member variables to store them instead of calculating them again and again
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EvalWell volumeFraction(const int seg, const unsigned comp_idx) const;
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// F_p / g_p, the basic usage of this value is because Q_p = G_t * F_p / G_p
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EvalWell volumeFractionScaled(const int seg, const int comp_idx) const;
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// basically Q_p / \sigma_p Q_p
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EvalWell surfaceVolumeFraction(const int seg, const int comp_idx) const;
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void computePerfRatePressure(const IntensiveQuantities& int_quants,
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const std::vector<EvalWell>& mob_perfcells,
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const double Tw,
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const int seg,
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const int perf,
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const EvalWell& segment_pressure,
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const bool& allow_cf,
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std::vector<EvalWell>& cq_s,
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EvalWell& perf_press,
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double& perf_dis_gas_rate,
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double& perf_vap_oil_rate,
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DeferredLogger& deferred_logger) const;
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// convert a Eval from reservoir to contain the derivative related to wells
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EvalWell extendEval(const Eval& in) const;
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void updateThp(WellState& well_state, DeferredLogger& deferred_logger) const;
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// compute the fluid properties, such as densities, viscosities, and so on, in the segments
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// They will be treated implicitly, so they need to be of Evaluation type
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void computeSegmentFluidProperties(const Simulator& ebosSimulator);
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EvalWell getSegmentPressure(const int seg) const;
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EvalWell getSegmentRate(const int seg, const int comp_idx) const;
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EvalWell getSegmentRateUpwinding(const int seg, const size_t comp_idx) const;
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EvalWell getSegmentGTotal(const int seg) const;
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// get the mobility for specific perforation
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void getMobility(const Simulator& ebosSimulator,
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const int perf,
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std::vector<EvalWell>& mob) const;
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void computeWellRatesAtBhpLimit(const Simulator& ebosSimulator,
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std::vector<double>& well_flux,
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DeferredLogger& deferred_logger) const;
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void computeWellRatesWithBhp(const Simulator& ebosSimulator,
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const Scalar bhp,
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std::vector<double>& well_flux,
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DeferredLogger& deferred_logger) const;
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std::vector<double>
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computeWellPotentialWithTHP(const Simulator& ebos_simulator,
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DeferredLogger& deferred_logger) const;
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void assembleControlEq(const WellState& well_state,
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const GroupState& group_state,
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const Schedule& schedule,
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const SummaryState& summaryState,
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const Well::InjectionControls& inj_controls,
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const Well::ProductionControls& prod_controls,
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DeferredLogger& deferred_logger);
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void assemblePressureEq(const int seg, const UnitSystem& unit_system,
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WellState& well_state, DeferredLogger& deferred_logger) const;
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void assembleDefaultPressureEq(const int seg, WellState& well_state) const;
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// hytrostatic pressure loss
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EvalWell getHydroPressureLoss(const int seg) const;
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// frictinal pressure loss
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EvalWell getFrictionPressureLoss(const int seg) const;
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void handleAccelerationPressureLoss(const int seg, WellState& well_state) const;
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// handling the overshooting and undershooting of the fractions
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void processFractions(const int seg) const;
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void updateWellStateFromPrimaryVariables(WellState& well_state, DeferredLogger& deferred_logger) const;
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virtual double getRefDensity() const override;
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virtual bool iterateWellEqWithControl(const Simulator& ebosSimulator,
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const double dt,
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const Well::InjectionControls& inj_controls,
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const Well::ProductionControls& prod_controls,
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WellState& well_state,
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const GroupState& group_state,
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DeferredLogger& deferred_logger) override;
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virtual void assembleWellEqWithoutIteration(const Simulator& ebosSimulator,
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const double dt,
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const Well::InjectionControls& inj_controls,
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const Well::ProductionControls& prod_controls,
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WellState& well_state,
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const GroupState& group_state,
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DeferredLogger& deferred_logger) override;
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virtual void updateWaterThroughput(const double dt, WellState& well_state) const override;
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EvalWell getSegmentSurfaceVolume(const Simulator& ebos_simulator, const int seg_idx) const;
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std::vector<Scalar> getWellResiduals(const std::vector<Scalar>& B_avg,
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DeferredLogger& deferred_logger) const;
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double getResidualMeasureValue(const WellState& well_state,
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const std::vector<double>& residuals,
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DeferredLogger& deferred_logger) const;
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double getControlTolerance(const WellState& well_state, DeferredLogger& deferred_logger) const;
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void checkConvergenceControlEq(const WellState& well_state,
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ConvergenceReport& report,
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DeferredLogger& deferred_logger) const;
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void updateUpwindingSegments();
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// turn on crossflow to avoid singular well equations
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// when the well is banned from cross-flow and the BHP is not properly initialized,
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// we turn on crossflow to avoid singular well equations. It can result in wrong-signed
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// well rates, it can cause problem for THP calculation
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// TODO: looking for better alternative to avoid wrong-signed well rates
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bool openCrossFlowAvoidSingularity(const Simulator& ebos_simulator) const;
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// for a well, when all drawdown are in the wrong direction, then this well will not
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// be able to produce/inject .
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bool allDrawDownWrongDirection(const Simulator& ebos_simulator) const;
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std::optional<double> computeBhpAtThpLimitProd(const Simulator& ebos_simulator,
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const SummaryState& summary_state,
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DeferredLogger& deferred_logger) const;
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std::optional<double> computeBhpAtThpLimitInj(const Simulator& ebos_simulator,
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const SummaryState& summary_state,
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DeferredLogger& deferred_logger) const;
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double maxPerfPress(const Simulator& ebos_simulator) const;
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// pressure drop for Spiral ICD segment (WSEGSICD)
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EvalWell pressureDropSpiralICD(const int seg) const;
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// pressure drop for Autonomous ICD segment (WSEGAICD)
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EvalWell pressureDropAutoICD(const int seg, const UnitSystem& unit_system) const;
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// pressure drop for sub-critical valve (WSEGVALV)
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EvalWell pressureDropValve(const int seg) const;
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// assemble pressure equation for ICD segments
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void assembleICDPressureEq(const int seg, const UnitSystem& unit_system,
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WellState& well_state, DeferredLogger& deferred_logger) const;
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// check whether the well is operable under BHP limit with current reservoir condition
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virtual void checkOperabilityUnderBHPLimitProducer(const WellState& well_state, const Simulator& ebos_simulator, DeferredLogger& deferred_logger) override;
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// check whether the well is operable under THP limit with current reservoir condition
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virtual void checkOperabilityUnderTHPLimitProducer(const Simulator& ebos_simulator, const WellState& well_state, DeferredLogger& deferred_logger) override;
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// updating the inflow based on the current reservoir condition
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virtual void updateIPR(const Simulator& ebos_simulator, DeferredLogger& deferred_logger) const override;
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};
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}
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#include "MultisegmentWell_impl.hpp"
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#endif // OPM_MULTISEGMENTWELL_HEADER_INCLUDED
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