mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-25 16:51:00 -06:00
123 lines
5.3 KiB
C++
123 lines
5.3 KiB
C++
/*
|
|
Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
|
|
Copyright 2017 Statoil ASA.
|
|
Copyright 2016 - 2017 IRIS AS.
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#ifndef OPM_STANDARDWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
|
|
#define OPM_STANDARDWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
|
|
|
|
#include <opm/material/densead/DynamicEvaluation.hpp>
|
|
|
|
#include <opm/simulators/wells/StandardWellEquations.hpp>
|
|
|
|
#include <vector>
|
|
|
|
namespace Opm
|
|
{
|
|
|
|
template<class FluidSystem, class Indices, class Scalar> class WellInterfaceIndices;
|
|
|
|
//! \brief Class holding primary variables for StandardWell.
|
|
template<class FluidSystem, class Indices, class Scalar>
|
|
class StandardWellPrimaryVariables {
|
|
protected:
|
|
// the positions of the primary variables for StandardWell
|
|
// the first one is the weighted total rate (WQ_t), the second and the third ones are F_w and F_g,
|
|
// which represent the fraction of Water and Gas based on the weighted total rate, the last one is BHP.
|
|
// correspondingly, we have four well equations for blackoil model, the first three are mass
|
|
// converstation equations, and the last one is the well control equation.
|
|
// primary variables related to other components, will be before the Bhp and after F_g.
|
|
// well control equation is always the last well equation.
|
|
// TODO: in the current implementation, we use the well rate as the first primary variables for injectors,
|
|
// instead of G_t.
|
|
|
|
// Table showing the primary variable indices, depending on what phases are present:
|
|
//
|
|
// WOG OG WG WO W/O/G (single phase)
|
|
// WQTotal 0 0 0 0 0
|
|
// WFrac 1 -1000 -1000 1 -1000
|
|
// GFrac 2 1 1 -1000 -1000
|
|
// Spres 3 2 2 2 1
|
|
|
|
//! \brief Number of the well control equations.
|
|
static constexpr int numWellControlEq = 1;
|
|
|
|
public:
|
|
//! \brief Number of the conservation equations.
|
|
static constexpr int numWellConservationEq = Indices::numPhases + Indices::numSolvents;
|
|
|
|
//! \brief Number of the well equations that will always be used.
|
|
//! \details Based on the solution strategy, there might be other well equations be introduced.
|
|
static constexpr int numStaticWellEq = numWellConservationEq + numWellControlEq;
|
|
|
|
static const int WQTotal = 0; //!< The index for the weights total rate
|
|
|
|
//! \brief The index for Bhp in primary variables and the index of well control equation.
|
|
//! \details They both will be the last one in their respective system.
|
|
//! \todo: We should have indices for the well equations and well primary variables separately.
|
|
static constexpr int Bhp = numStaticWellEq - numWellControlEq;
|
|
|
|
static constexpr bool has_wfrac_variable = Indices::waterEnabled && Indices::oilEnabled;
|
|
static constexpr bool has_gfrac_variable = Indices::gasEnabled && Indices::numPhases > 1;
|
|
static constexpr int WFrac = has_wfrac_variable ? 1 : -1000;
|
|
static constexpr int GFrac = has_gfrac_variable ? has_wfrac_variable + 1 : -1000;
|
|
static constexpr int SFrac = !Indices::enableSolvent ? -1000 : 3;
|
|
|
|
//! \brief Evaluation for the well equations.
|
|
using EvalWell = DenseAd::DynamicEvaluation<Scalar, numStaticWellEq + Indices::numEq + 1>;
|
|
using BVectorWell = typename StandardWellEquations<Scalar,Indices::numEq>::BVectorWell;
|
|
|
|
//! \brief Constructor initializes reference to well interface.
|
|
StandardWellPrimaryVariables(const WellInterfaceIndices<FluidSystem,Indices,Scalar>& well)
|
|
: well_(well)
|
|
{}
|
|
|
|
//! \brief The values for the primary variables.
|
|
//! \details Based on different solution strategies, the wells can have different primary variables.
|
|
std::vector<double> value_;
|
|
|
|
//! \brief The Evaluation for the well primary variables.
|
|
//! \details Contain derivatives and are used in AD calculation
|
|
std::vector<EvalWell> evaluation_;
|
|
|
|
//! \brief Initialize evaluations from values.
|
|
void init();
|
|
|
|
//! \brief Resize values and evaluations.
|
|
void resize(const int numWellEq);
|
|
|
|
//! \brief Returns number of well equations.
|
|
int numWellEq() const { return numWellEq_; }
|
|
|
|
//! \brief Update polymer molecular weight values from solution vector.
|
|
void updatePolyMW(const BVectorWell& dwells);
|
|
|
|
private:
|
|
const WellInterfaceIndices<FluidSystem,Indices,Scalar>& well_; //!< Reference to well interface
|
|
|
|
//! \brief Total number of the well equations and primary variables.
|
|
//! \details There might be extra equations be used, numWellEq will be updated during the initialization
|
|
int numWellEq_ = numStaticWellEq;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // OPM_STANDARDWELL_PRIMARY_VARIABLES_HEADER_INCLUDED
|