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MultisegmentWellPrimaryVariables.hpp
1/*
2 Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
3 Copyright 2017 Statoil ASA.
4
5 This file is part of the Open Porous Media project (OPM).
6
7 OPM is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 OPM is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with OPM. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21
22#ifndef OPM_MULTISEGMENTWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
23#define OPM_MULTISEGMENTWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
24
25#include <opm/material/densead/Evaluation.hpp>
26
27#include <opm/simulators/wells/MultisegmentWellEquations.hpp>
28#include <opm/input/eclipse/Schedule/SummaryState.hpp>
29#include <opm/input/eclipse/Units/Units.hpp>
30
31#include <array>
32#include <cstddef>
33#include <vector>
34
35namespace Opm
36{
37
38class DeferredLogger;
39template<class Scalar> class MultisegmentWellGeneric;
40template<class FluidSystem, class Indices> class WellInterfaceIndices;
41template<class Scalar> class WellState;
42
43template<class FluidSystem, class Indices>
45{
46public:
47 // TODO: for now, not considering the polymer, solvent and so on to simplify the development process.
48
49 // TODO: we need to have order for the primary variables and also the order for the well equations.
50 // sometimes, they are similar, while sometimes, they can have very different forms.
51
52 // Table showing the primary variable indices, depending on what phases are present:
53 //
54 // WOG OG WG WO W/O/G (single phase)
55 // WQTotal 0 0 0 0 0
56 // WFrac 1 -1000 1 1 -1000
57 // GFrac 2 1 -1000 -1000 -1000
58 // Spres 3 2 2 2 1
59
60 static constexpr bool has_water = (Indices::waterSwitchIdx >= 0);
61 static constexpr bool has_gas = (Indices::compositionSwitchIdx >= 0);
62 static constexpr bool has_oil = (Indices::numPhases - has_gas - has_water) > 0;
63
64 // In the implementation, one should use has_wfrac_variable
65 // rather than has_water to check if you should do something
66 // with the variable at the WFrac location, similar for GFrac.
67 static constexpr bool has_wfrac_variable = has_water && Indices::numPhases > 1;
68 static constexpr bool has_gfrac_variable = has_gas && has_oil;
69
70 static constexpr int WQTotal = 0;
71 static constexpr int WFrac = has_wfrac_variable ? 1 : -1000;
72 static constexpr int GFrac = has_gfrac_variable ? has_wfrac_variable + 1 : -1000;
73 static constexpr int SPres = has_wfrac_variable + has_gfrac_variable + 1;
74
75 // the number of well equations TODO: it should have a more general strategy for it
76 static constexpr int numWellEq = Indices::numPhases + 1;
77
78 using Scalar = typename FluidSystem::Scalar;
79 using EvalWell = DenseAd::Evaluation<Scalar, /*size=*/Indices::numEq + numWellEq>;
80
82 using BVectorWell = typename Equations::BVectorWell;
83
85 : well_(well)
86 {}
87
89 void resize(const int numSegments);
90
92 void init();
93
95 void update(const WellState<Scalar>& well_state,
96 const bool stop_or_zero_rate_target);
97
99 void updateNewton(const BVectorWell& dwells,
100 const Scalar relaxation_factor,
101 const Scalar DFLimit,
102 const bool stop_or_zero_rate_target,
103 const Scalar max_pressure_change);
104
107 const Scalar rho,
108 WellState<Scalar>& well_state,
109 const SummaryState& summary_state,
110 DeferredLogger& deferred_logger) const;
111
114 EvalWell volumeFractionScaled(const int seg,
115 const int compIdx) const;
116
119 EvalWell surfaceVolumeFraction(const int seg,
120 const int compIdx) const;
121
123 EvalWell getSegmentRateUpwinding(const int seg,
124 const int seg_upwind,
125 const std::size_t comp_idx) const;
126
128 EvalWell getBhp() const;
129
131 EvalWell getSegmentPressure(const int seg) const;
132
134 EvalWell getSegmentRate(const int seg,
135 const int comp_idx) const;
136
138 EvalWell getQs(const int comp_idx) const;
139
141 EvalWell getWQTotal() const;
142
144 const std::array<EvalWell, numWellEq>& eval(const int idx) const
145 { return evaluation_[idx]; }
146
148 const std::array<Scalar, numWellEq>& value(const int idx) const
149 { return value_[idx]; }
150
152 void setValue(const int idx, const std::array<Scalar, numWellEq>& val)
153 { value_[idx] = val; }
154
156 void outputLowLimitPressureSegments(DeferredLogger& deferred_logger) const;
157
158private:
160 void processFractions(const int seg);
161
163 EvalWell volumeFraction(const int seg,
164 const unsigned compIdx) const;
165
168 std::vector<std::array<Scalar, numWellEq>> value_;
169
172 std::vector<std::array<EvalWell, numWellEq>> evaluation_;
173
175
176 static constexpr double bhp_lower_limit = 1. * unit::barsa - 1. * unit::Pascal;
177 static constexpr double seg_pres_lower_limit = 0.;
178};
179
180}
181
182#endif // OPM_MULTISEGMENTWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
Definition DeferredLogger.hpp:57
Definition MultisegmentWellPrimaryVariables.hpp:39
Definition MultisegmentWellPrimaryVariables.hpp:45
void resize(const int numSegments)
Resize values and evaluations.
Definition MultisegmentWellPrimaryVariables.cpp:49
EvalWell volumeFractionScaled(const int seg, const int compIdx) const
Returns scaled volume fraction for a component in a segment.
Definition MultisegmentWellPrimaryVariables.cpp:522
void outputLowLimitPressureSegments(DeferredLogger &deferred_logger) const
output the segments with pressure close to lower pressure limit for debugging purpose
Definition MultisegmentWellPrimaryVariables.cpp:636
EvalWell getSegmentRate(const int seg, const int comp_idx) const
Get rate for a component in a segment.
Definition MultisegmentWellPrimaryVariables.cpp:611
void init()
Initialize evaluations from values.
Definition MultisegmentWellPrimaryVariables.cpp:57
EvalWell getWQTotal() const
Get WQTotal.
Definition MultisegmentWellPrimaryVariables.cpp:628
void copyToWellState(const MultisegmentWellGeneric< Scalar > &mswell, const Scalar rho, WellState< Scalar > &well_state, const SummaryState &summary_state, DeferredLogger &deferred_logger) const
Copy values to well state.
Definition MultisegmentWellPrimaryVariables.cpp:215
const std::array< EvalWell, numWellEq > & eval(const int idx) const
Returns a const ref to an array of evaluations.
Definition MultisegmentWellPrimaryVariables.hpp:144
EvalWell getBhp() const
Get bottomhole pressure.
Definition MultisegmentWellPrimaryVariables.cpp:603
EvalWell surfaceVolumeFraction(const int seg, const int compIdx) const
Returns surface volume fraction for a component in a segment.
Definition MultisegmentWellPrimaryVariables.cpp:539
void setValue(const int idx, const std::array< Scalar, numWellEq > &val)
Set a value array. Note that this does not also set the corresponding evaluation.
Definition MultisegmentWellPrimaryVariables.hpp:152
EvalWell getQs(const int comp_idx) const
Returns scaled rate for a component.
Definition MultisegmentWellPrimaryVariables.cpp:620
void update(const WellState< Scalar > &well_state, const bool stop_or_zero_rate_target)
Copy values from well state.
Definition MultisegmentWellPrimaryVariables.cpp:70
EvalWell getSegmentPressure(const int seg) const
Get pressure for a segment.
Definition MultisegmentWellPrimaryVariables.cpp:595
void updateNewton(const BVectorWell &dwells, const Scalar relaxation_factor, const Scalar DFLimit, const bool stop_or_zero_rate_target, const Scalar max_pressure_change)
Update values from newton update vector.
Definition MultisegmentWellPrimaryVariables.cpp:159
EvalWell getSegmentRateUpwinding(const int seg, const int seg_upwind, const std::size_t comp_idx) const
Returns upwinding rate for a component in a segment.
Definition MultisegmentWellPrimaryVariables.cpp:555
const std::array< Scalar, numWellEq > & value(const int idx) const
Returns a value array.
Definition MultisegmentWellPrimaryVariables.hpp:148
Definition WellInterfaceIndices.hpp:34
The state of a set of wells, tailored for use by the fully implicit blackoil simulator.
Definition WellState.hpp:62
This file contains a set of helper functions used by VFPProd / VFPInj.
Definition blackoilboundaryratevector.hh:37