mirror of
https://github.com/OPM/opm-simulators.git
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166 lines
7.3 KiB
C++
166 lines
7.3 KiB
C++
/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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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_COMPRESSIBLETPFA_HEADER_INCLUDED
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#define OPM_COMPRESSIBLETPFA_HEADER_INCLUDED
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#include <vector>
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struct UnstructuredGrid;
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struct cfs_tpfa_res_data;
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struct Wells;
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struct FlowBoundaryConditions;
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namespace Opm
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{
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class BlackoilState;
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class BlackoilPropertiesInterface;
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class RockCompressibility;
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class LinearSolverInterface;
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class WellState;
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/// Encapsulating a tpfa pressure solver for the compressible-fluid case.
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/// Supports gravity, wells and simple sources as driving forces.
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/// Below we use the shortcuts D for the number of dimensions, N
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/// for the number of cells and F for the number of faces.
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class CompressibleTpfa
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{
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public:
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/// Construct solver.
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/// \param[in] grid A 2d or 3d grid.
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/// \param[in] props Rock and fluid properties.
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/// \param[in] rock_comp_props Rock compressibility properties. May be null.
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/// \param[in] linsolver Linear solver to use.
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/// \param[in] residual_tol Solution accepted if inf-norm of residual is smaller.
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/// \param[in] change_tol Solution accepted if inf-norm of change in pressure is smaller.
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/// \param[in] maxiter Maximum acceptable number of iterations.
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/// \param[in] gravity Gravity vector. If non-null, the array should
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/// have D elements.
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/// \param[in] wells The wells argument. Will be used in solution,
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/// is ignored if NULL.
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/// Note: this class observes the well object, and
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/// makes the assumption that the well topology
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/// and completions does not change during the
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/// run. However, controls (only) are allowed
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/// to change.
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CompressibleTpfa(const UnstructuredGrid& grid,
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const BlackoilPropertiesInterface& props,
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const RockCompressibility* rock_comp_props,
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const LinearSolverInterface& linsolver,
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const double residual_tol,
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const double change_tol,
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const int maxiter,
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const double* gravity,
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const Wells* wells);
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/// Destructor.
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virtual ~CompressibleTpfa();
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/// Solve the pressure equation by Newton-Raphson scheme.
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/// May throw an exception if the number of iterations
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/// exceed maxiter (set in constructor).
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void solve(const double dt,
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BlackoilState& state,
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WellState& well_state);
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/// @brief After solve(), was the resulting pressure singular.
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/// Returns true if the pressure is singular in the following
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/// sense: if everything is incompressible and there are no
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/// pressure conditions, the absolute values of the pressure
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/// solution are arbitrary. (But the differences in pressure
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/// are significant.)
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bool singularPressure() const;
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private:
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virtual void computePerSolveDynamicData(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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void computePerIterationDynamicData(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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virtual void computeCellDynamicData(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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void computeFaceDynamicData(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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void computeWellDynamicData(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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void assemble(const double dt,
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const BlackoilState& state,
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const WellState& well_state);
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void solveIncrement();
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double residualNorm() const;
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double incrementNorm() const;
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void computeResults(BlackoilState& state,
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WellState& well_state) const;
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protected:
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void computeWellPotentials(const BlackoilState& state);
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// ------ Data that will remain unmodified after construction. ------
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const UnstructuredGrid& grid_;
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const BlackoilPropertiesInterface& props_;
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const RockCompressibility* rock_comp_props_;
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const LinearSolverInterface& linsolver_;
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const double residual_tol_;
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const double change_tol_;
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const int maxiter_;
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const double* gravity_; // May be NULL
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const Wells* wells_; // May be NULL, outside may modify controls (only) between calls to solve().
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std::vector<double> htrans_;
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std::vector<double> trans_ ;
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std::vector<int> allcells_;
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// ------ Internal data for the cfs_tpfa_res solver. ------
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struct cfs_tpfa_res_data* h_;
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// ------ Data that will be modified for every solve. ------
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std::vector<double> wellperf_wdp_;
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std::vector<double> initial_porevol_;
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// ------ Data that will be modified for every solver iteration. ------
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std::vector<double> cell_A_;
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std::vector<double> cell_dA_;
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std::vector<double> cell_viscosity_;
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std::vector<double> cell_phasemob_;
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std::vector<double> cell_voldisc_;
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std::vector<double> face_A_;
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std::vector<double> face_phasemob_;
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std::vector<double> face_gravcap_;
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std::vector<double> wellperf_A_;
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std::vector<double> wellperf_phasemob_;
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std::vector<double> porevol_; // Only modified if rock_comp_props_ is non-null.
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std::vector<double> rock_comp_; // Empty unless rock_comp_props_ is non-null.
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// The update to be applied to the pressures (cell and bhp).
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std::vector<double> pressure_increment_;
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// True if the matrix assembled would be singular but for the
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// adjustment made in the cfs_*_assemble() calls. This happens
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// if everything is incompressible and there are no pressure
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// conditions.
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bool singular_;
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};
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} // namespace Opm
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#endif // OPM_COMPRESSIBLETPFA_HEADER_INCLUDED
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