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https://github.com/OPM/opm-simulators.git
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338 lines
14 KiB
C++
338 lines
14 KiB
C++
/*
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Copyright 2016 SINTEF ICT, Applied Mathematics.
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Copyright 2016 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_MULTISEGMENTWELLS_HEADER_INCLUDED
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#define OPM_MULTISEGMENTWELLS_HEADER_INCLUDED
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#include <dune/common/parallel/mpihelper.hh>
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#include <opm/common/utility/platform_dependent/disable_warnings.h>
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#include <Eigen/Eigen>
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#include <Eigen/Sparse>
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#include <opm/common/utility/platform_dependent/reenable_warnings.h>
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#include <cassert>
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/core/wells/WellCollection.hpp>
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#include <opm/autodiff/AutoDiffBlock.hpp>
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#include <opm/autodiff/AutoDiffHelpers.hpp>
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#include <opm/autodiff/BlackoilModelEnums.hpp>
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#include <opm/autodiff/BlackoilPropsAdFromDeck.hpp>
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#include <opm/autodiff/LinearisedBlackoilResidual.hpp>
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#include <opm/autodiff/WellHelpers.hpp>
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#include <opm/autodiff/VFPProperties.hpp>
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#include <opm/autodiff/WellMultiSegment.hpp>
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#include <opm/autodiff/WellDensitySegmented.hpp>
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#include <opm/simulators/WellSwitchingLogger.hpp>
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namespace Opm {
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/// Class for handling the multi-segment well model
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class MultisegmentWells {
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public:
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// --------- Types ---------
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using ADB = AutoDiffBlock<double>;
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using Vector = ADB::V;
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// Well operations and data needed.
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struct MultisegmentWellOps {
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explicit MultisegmentWellOps(const std::vector<WellMultiSegmentConstPtr>& wells_ms);
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Eigen::SparseMatrix<double> w2p; // well -> perf (scatter)
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Eigen::SparseMatrix<double> p2w; // perf -> well (gather)
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Eigen::SparseMatrix<double> w2s; // well -> segment (scatter)
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Eigen::SparseMatrix<double> s2w; // segment -> well (gather)
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Eigen::SparseMatrix<double> s2p; // segment -> perf (scatter)
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Eigen::SparseMatrix<double> p2s; // perf -> segment (gather)
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Eigen::SparseMatrix<double> s2s_inlets; // segment -> its inlet segments
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Eigen::SparseMatrix<double> s2s_outlet; // segment -> its outlet segment
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Eigen::SparseMatrix<double> topseg2w; // top segment -> well
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AutoDiffMatrix eliminate_topseg; // change the top segment related to be zero
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std::vector<int> well_cells; // the set of perforated cells
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Vector conn_trans_factors; // connection transmissibility factors
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bool has_multisegment_wells; // flag indicating whether there is any muli-segment well
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};
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// copied from BlackoilModelBase
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// should put to somewhere better
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using DataBlock = Eigen::Array<double,
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Eigen::Dynamic,
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Eigen::Dynamic,
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Eigen::RowMajor>;
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using Communication =
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Dune::CollectiveCommunication<typename Dune::MPIHelper
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::MPICommunicator>;
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// --------- Public methods ---------
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// TODO: using a vector of WellMultiSegmentConstPtr for now
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// TODO: it should use const Wells or something else later.
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MultisegmentWells(const Wells* wells_arg,
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WellCollection* well_collection,
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const std::vector< const Well* >& wells_ecl,
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const int time_step);
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std::vector<WellMultiSegmentConstPtr> createMSWellVector(const Wells* wells_arg,
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const std::vector< const Well* >& wells_ecl,
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const int time_step);
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void init(const BlackoilPropsAdFromDeck* fluid_arg,
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const std::vector<bool>* active_arg,
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const std::vector<PhasePresence>* pc_arg,
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const VFPProperties* vfp_properties_arg,
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const double gravity_arg,
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const Vector& depth_arg);
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const std::vector<WellMultiSegmentConstPtr>& msWells() const;
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const MultisegmentWellOps& wellOps() const;
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const Wells& wells() const;
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const Wells* wellsPointer() const;
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int numPhases() const { return num_phases_; };
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int numWells() const { return wells_multisegment_.size(); }
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int numSegment() const { return nseg_total_; };
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int numPerf() const { return nperf_total_; };
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bool wellsActive() const { return wells_active_; };
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void setWellsActive(const bool wells_active) { wells_active_ = wells_active; };
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bool localWellsActive() const { return ! wells_multisegment_.empty(); };
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int numWellVars() const { return (num_phases_ + 1) * nseg_total_; };
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template <class ReservoirResidualQuant, class SolutionState>
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void extractWellPerfProperties(const SolutionState& state,
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const std::vector<ReservoirResidualQuant>& rq,
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std::vector<ADB>& mob_perfcells,
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std::vector<ADB>& b_perfcells) const;
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Vector& wellPerforationCellPressureDiffs() { return well_perforation_cell_pressure_diffs_; };
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Vector& wellSegmentPerforationDepthDiffs() { return well_segment_perforation_depth_diffs_; };
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const Vector& wellPerforationCellDensities() const { return well_perforation_cell_densities_; };
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Vector& wellPerforationCellDensities() { return well_perforation_cell_densities_; };
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const std::vector<Vector>& segmentCompSurfVolumeInitial() const { return segment_comp_surf_volume_initial_; };
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std::vector<Vector>& segmentCompSurfVolumeInitial() { return segment_comp_surf_volume_initial_; };
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const std::vector<ADB>& segmentCompSurfVolumeCurrent() const { return segment_comp_surf_volume_current_; };
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const std::vector<int>& topWellSegments() const { return top_well_segments_; };
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std::vector<int>& topWellSegments() { return top_well_segments_; };
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Vector& segVDt() { return segvdt_; };
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const Vector& wellPerforationDensities() const { return well_perforation_densities_; };
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Vector& wellPerforationDensities() { return well_perforation_densities_; };
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const Vector& wellPerforationPressureDiffs() const { return well_perforation_pressure_diffs_; };
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Vector& wellPerforationPressureDiffs() { return well_perforation_pressure_diffs_; };
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template <class WellState>
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void
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updateWellState(const Vector& dwells,
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const double dpmaxrel,
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WellState& well_state) const;
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// TODO: some arguments can be removed later
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// TODO: compi will be required in the multisegment wells
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template <class SolutionState>
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void
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computeWellFlux(const SolutionState& state,
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const std::vector<ADB>& mob_perfcells,
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const std::vector<ADB>& b_perfcells,
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Vector& aliveWells,
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std::vector<ADB>& cq_s) const;
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template <class SolutionState, class WellState>
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void updatePerfPhaseRatesAndPressures(const std::vector<ADB>& cq_s,
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const SolutionState& state,
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WellState& xw) const;
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// Calculate the density of the mixture in the segments
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// And the surface volume of the components in the segments by dt
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template <class SolutionState>
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void
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computeSegmentFluidProperties(const SolutionState& state);
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void
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computeSegmentPressuresDelta(const double grav);
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template <class SolutionState>
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void
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addWellFluxEq(const std::vector<ADB>& cq_s,
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const SolutionState& state,
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LinearisedBlackoilResidual& residual);
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template <class SolutionState, class WellState>
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void
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addWellControlEq(const SolutionState& state,
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const WellState& xw,
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const Vector& aliveWells,
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LinearisedBlackoilResidual& residual);
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template <class WellState>
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void
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updateWellControls(WellState& xw) const;
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// TODO: these code are same with the StandardWells
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// to find a better solution later.
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void
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variableStateWellIndices(std::vector<int>& indices,
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int& next) const;
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template <class SolutionState>
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void
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variableStateExtractWellsVars(const std::vector<int>& indices,
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std::vector<ADB>& vars,
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SolutionState& state) const;
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std::vector<int>
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variableWellStateIndices() const;
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template <class WellState>
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void
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variableWellStateInitials(const WellState& xw,
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std::vector<Vector>& vars0) const;
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template <class SolutionState, class WellState>
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void computeWellConnectionPressures(const SolutionState& state,
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const WellState& xw,
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const std::vector<ADB>& kr_adb,
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const std::vector<ADB>& fluid_density);
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WellCollection* wellCollection() const;
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void calculateEfficiencyFactors();
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const Vector& wellPerfEfficiencyFactors() const;
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protected:
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// TODO: probably a wells_active_ will be required here.
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bool wells_active_;
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std::vector<WellMultiSegmentConstPtr> wells_multisegment_;
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MultisegmentWellOps wops_ms_;
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// It will probably need to be updated during running time.
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WellCollection* well_collection_;
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// The efficiency factor for each connection
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// It is specified based on wells and groups
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// By default, they should all be one.
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Vector well_perforation_efficiency_factors_;
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const int num_phases_;
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int nseg_total_;
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int nperf_total_;
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// TODO: put the Wells here to simplify the interface
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// TODO: at the moment, both wells_ and wells_multisegment_
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// TODO: acutally contain all the wells
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// TODO: they should be split eventually.
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const Wells* wells_;
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const BlackoilPropsAdFromDeck* fluid_;
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const std::vector<bool>* active_;
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const std::vector<PhasePresence>* phase_condition_;
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const VFPProperties* vfp_properties_;
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double gravity_;
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// The depth of the all the cell centers
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// It is different from the perforation depth in MultisegmentWells
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Vector perf_cell_depth_;
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// Pressure correction due to the different depth of the perforation
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// and the cell center of the grid block
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// For the non-segmented wells, since the perforation are forced to be
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// at the center of the grid cell, it should be ZERO.
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// It only applies to the mutli-segmented wells.
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Vector well_perforation_cell_pressure_diffs_;
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// Pressure correction due to the depth differennce between segment depth and perforation depth.
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ADB well_segment_perforation_pressure_diffs_;
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// The depth difference between segment nodes and perforations
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Vector well_segment_perforation_depth_diffs_;
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// The depth difference between the perforations and the perforation cells.
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Vector perf_cell_depth_diffs_;
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// the average of the fluid densities in the grid block
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// which is used to calculate the hydrostatic head correction due to the depth difference of the perforation
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// and the cell center of the grid block
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Vector well_perforation_cell_densities_;
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// the density of the fluid mixture in the segments
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// which is calculated in an implicit way
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ADB well_segment_densities_;
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// the hydrostatic pressure drop between segment nodes
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// calculated with the above density of fluid mixtures
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// for the top segment, they should always be zero for the moment.
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ADB well_segment_pressures_delta_;
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// the surface volume of components in the segments
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// the initial value at the beginning of the time step
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std::vector<Vector> segment_comp_surf_volume_initial_;
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// the value within the current iteration.
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std::vector<ADB> segment_comp_surf_volume_current_;
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// the mass flow rate in the segments
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ADB segment_mass_flow_rates_;
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// the viscosity of the fluid mixture in the segments
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// TODO: it is only used to calculate the Reynolds number as we know
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// maybe it is not better just to store the Reynolds number?
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ADB segment_viscosities_;
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std::vector<int> top_well_segments_;
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// segment volume by dt (time step)
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// to handle the volume effects of the segment
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Vector segvdt_;
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// technically, they are only useful for standard wells
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// since at the moment, we are handling both the standard
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// wells and the multi-segment wells under the MultisegmentWells
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// we need them to remove the dependency on StandardWells
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Vector well_perforation_densities_;
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Vector well_perforation_pressure_diffs_;
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};
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} // namespace Opm
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#include "MultisegmentWells_impl.hpp"
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#endif // OPM_MULTISEGMENTWELLS_HEADER_INCLUDED
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