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302 lines
12 KiB
C++
302 lines
12 KiB
C++
/*
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Copyright 2013, 2015 SINTEF ICT, Applied Mathematics.
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Copyright 2014, 2015 Statoil ASA.
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Copyright 2014, 2015 Dr. Markus Blatt - HPC-Simulation-Software & Services
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Copyright 2015 NTNU
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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_BLACKOILMULTISEGMENTMODEL_HEADER_INCLUDED
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#define OPM_BLACKOILMULTISEGMENTMODEL_HEADER_INCLUDED
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#include <opm/core/simulator/BlackoilState.hpp>
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#include <opm/autodiff/BlackoilModelBase.hpp>
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#include <opm/autodiff/BlackoilModelParameters.hpp>
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#include <opm/autodiff/WellStateMultiSegment.hpp>
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#include <opm/autodiff/WellMultiSegment.hpp>
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namespace Opm {
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struct BlackoilMultiSegmentSolutionState : public DefaultBlackoilSolutionState
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{
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explicit BlackoilMultiSegmentSolutionState(const int np)
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: DefaultBlackoilSolutionState(np)
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, segp ( ADB::null())
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, segqs ( ADB::null())
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{
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}
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ADB segp; // the segment pressures
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ADB segqs; // the segment phase rate in surface volume
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};
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/// A model implementation for three-phase black oil with support
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/// for multi-segment wells.
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///
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/// It uses automatic differentiation via the class AutoDiffBlock
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/// to simplify assembly of the jacobian matrix.
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/// \tparam Grid UnstructuredGrid or CpGrid.
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/// \tparam Implementation Provides concrete state types.
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template<class Grid>
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class BlackoilMultiSegmentModel : public BlackoilModelBase<Grid, BlackoilMultiSegmentModel<Grid>>
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{
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public:
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typedef BlackoilModelBase<Grid, BlackoilMultiSegmentModel<Grid> > Base; // base class
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typedef typename Base::ReservoirState ReservoirState;
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typedef typename Base::WellState WellState;
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typedef BlackoilMultiSegmentSolutionState SolutionState;
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friend Base;
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// --------- Public methods ---------
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/// Construct the model. It will retain references to the
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/// arguments of this functions, and they are expected to
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/// remain in scope for the lifetime of the solver.
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/// \param[in] param parameters
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/// \param[in] grid grid data structure
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/// \param[in] fluid fluid properties
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/// \param[in] geo rock properties
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/// \param[in] rock_comp_props if non-null, rock compressibility properties
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/// \param[in] wells well structure
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/// \param[in] vfp_properties Vertical flow performance tables
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/// \param[in] linsolver linear solver
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/// \param[in] eclState eclipse state
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/// \param[in] has_disgas turn on dissolved gas
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/// \param[in] has_vapoil turn on vaporized oil feature
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/// \param[in] terminal_output request output to cout/cerr
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BlackoilMultiSegmentModel(const typename Base::ModelParameters& param,
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const Grid& grid ,
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const BlackoilPropsAdInterface& fluid,
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const DerivedGeology& geo ,
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const RockCompressibility* rock_comp_props,
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const Wells* wells,
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const NewtonIterationBlackoilInterface& linsolver,
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Opm::EclipseStateConstPtr eclState,
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const bool has_disgas,
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const bool has_vapoil,
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const bool terminal_output,
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const std::vector<WellMultiSegmentConstPtr>& wells_multisegment);
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/// Called once before each time step.
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/// \param[in] dt time step size
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/// \param[in, out] reservoir_state reservoir state variables
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/// \param[in, out] well_state well state variables
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void prepareStep(const double dt,
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ReservoirState& reservoir_state,
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WellState& well_state);
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/// Assemble the residual and Jacobian of the nonlinear system.
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/// \param[in] reservoir_state reservoir state variables
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/// \param[in, out] well_state well state variables
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/// \param[in] initial_assembly pass true if this is the first call to assemble() in this timestep
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void assemble(const ReservoirState& reservoir_state,
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WellState& well_state,
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const bool initial_assembly);
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/// Apply an update to the primary variables, chopped if appropriate.
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/// \param[in] dx updates to apply to primary variables
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/// \param[in, out] reservoir_state reservoir state variables
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/// \param[in, out] well_state well state variables
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void updateState(const V& dx,
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ReservoirState& reservoir_state,
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WellState& well_state);
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using Base::numPhases;
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using Base::numMaterials;
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using Base::materialName;
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protected:
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/*
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// --------- Types and enums ---------
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// using Base::DataBlock;
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// using Base::ReservoirResidualQuant;
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*/
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// --------- Data members ---------
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// For the non-segmented well, it should be the density with AVG or SEG way.
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// while usually SEG way
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using Base::well_perforation_densities_; //Density of each well perforation
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using Base::pvdt_;
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using Base::geo_;
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using Base::active_;
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using Base::rq_;
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using Base::fluid_;
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using Base::terminal_output_;
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using Base::grid_;
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using Base::canph_;
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using Base::residual_;
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using Base::isSg_;
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using Base::isRs_;
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using Base::isRv_;
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using Base::has_disgas_;
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using Base::has_vapoil_;
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using Base::primalVariable_;
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using Base::cells_;
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using Base::param_;
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using Base::linsolver_;
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// Diff to the pressure of the related segment.
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// When the well is a usual well, the bhp will be the pressure of the top segment
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// For mutlti-segmented wells, only AVG is allowed.
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// For non-segmented wells, typically SEG is used. AVG way might not have been
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// implemented yet.
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// Diff to bhp for each well perforation. only for usual wells.
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// For segmented wells, they are zeros.
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using Base::well_perforation_pressure_diffs_; // Diff to bhp for each well perforation.
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// ADB version of the densities, when using AVG way, the calculation of the density and hydrostatic head
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// is implicit
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ADB well_perforation_densities_adb_; // TODO: NOT NEEDED
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// ADB version. Eventually, only ADB version will be kept.
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ADB well_perforation_pressure_diffs_adb_; // TODO: NOT NEEDED
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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 should only apply to the mutli-segmented wells.
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V well_perforation_pressure_cell_diffs_;
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ADB well_perforation_pressure_cell_diffs_adb_; // TODO: NOT NEEDED
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// Pressure correction due to the depth differennce between segment depth and perforation depth.
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// TODO: It should be able to be merge as a part of the perforation_pressure_diffs_.
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ADB well_perforations_segment_pressure_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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V well_perforation_cell_densities_;
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ADB well_perforation_cell_densities_adb_; // TODO: NOT NEEDED
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V well_perforatoin_cell_pressure_diffs_;
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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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const std::vector<WellMultiSegmentConstPtr> wells_multisegment_;
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std::vector<int> top_well_segments_;
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// return wells object
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// TODO: remove this wells structure
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using Base::wells;
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using Base::updatePrimalVariableFromState;
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using Base::wellsActive;
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using Base::phaseCondition;
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using Base::fluidRvSat;
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using Base::fluidRsSat;
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using Base::fluidDensity;
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using Base::updatePhaseCondFromPrimalVariable;
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using Base::computeGasPressure;
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using Base::dpMaxRel;
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using Base::dsMax;
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using Base::drMaxRel;
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using Base::convergenceReduction;
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using Base::maxResidualAllowed;
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using Base::variableState;
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using Base::asImpl;
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const std::vector<WellMultiSegmentConstPtr>& wellsMultiSegment() const { return wells_multisegment_; }
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void updateWellControls(WellState& xw) const;
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void updateWellState(const V& dwells,
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WellState& well_state);
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void
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variableWellStateInitials(const WellState& xw,
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std::vector<V>& vars0) const;
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void computeWellConnectionPressures(const SolutionState& state,
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const WellState& xw);
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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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V& aliveWells,
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std::vector<ADB>& cq_s);
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void
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updatePerfPhaseRatesAndPressures(const std::vector<ADB>& cq_s,
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const SolutionState& state,
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WellState& xw);
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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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void
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addWellContributionToMassBalanceEq(const std::vector<ADB>& cq_s,
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const SolutionState& state,
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const WellState& xw);
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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 V& aliveWells);
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void
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makeConstantState(SolutionState& state) const;
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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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void
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computeSegmentDensities(const SolutionState& state,
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const std::vector<ADB>& cq_s,
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const std::vector<ADB>& b_perfcells,
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const WellState& xw);
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void
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computeSegmentDensities(const SolutionState& state,
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const WellState& xw,
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const std::vector<ADB>& b_seg,
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const ADB& rsmax_seg,
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const ADB& rvmax_seg);
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};
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/// Providing types by template specialisation of ModelTraits for BlackoilMultiSegmentModel.
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template <class GridT>
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struct ModelTraits< BlackoilMultiSegmentModel<GridT> >
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{
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typedef BlackoilState ReservoirState;
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typedef WellStateMultiSegment WellState;
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typedef BlackoilModelParameters ModelParameters;
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typedef BlackoilMultiSegmentSolutionState SolutionState;
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};
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} // namespace Opm
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#include "BlackoilMultiSegmentModel_impl.hpp"
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#endif // OPM_BLACKOILMULTISEGMENTMODEL_HEADER_INCLUDED
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