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106 lines
3.5 KiB
C++
106 lines
3.5 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 LinearSolverInterface;
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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] g A 2d or 3d grid.
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/// \param[in] permeability Array of permeability tensors, the array
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/// should have size N*D^2, if D == g.dimensions
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/// and N == g.number_of_cells.
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/// \param[in] gravity Gravity vector. If nonzero, 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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/// \param[in] num_phases Must be 2 or 3.
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CompressibleTpfa(const UnstructuredGrid& g,
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const double* permeability,
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const double* gravity,
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const LinearSolverInterface& linsolver,
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const struct Wells* wells,
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const int num_phases);
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/// Destructor.
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~CompressibleTpfa();
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void solve(const double dt,
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BlackoilState& state);
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private:
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void computeDynamicData();
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void assemble(const double dt,
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const BlackoilState& state);
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void solveIncrement();
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void computeResults(std::vector<double>& pressure,
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std::vector<double>& faceflux,
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std::vector<double>& well_bhp,
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std::vector<double>& well_rate);
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// ------ Data that will remain unmodified after construction. ------
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const UnstructuredGrid& grid_;
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const LinearSolverInterface& linsolver_;
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std::vector<double> htrans_;
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std::vector<double> trans_ ;
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const Wells* wells_; // Outside may modify controls (only) between calls to solve().
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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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// ------ Data that will be modified for every solver iteration. ------
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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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// Gravity and capillary contributions (per face).
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std::vector<double> gravcapf_;
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};
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} // namespace Opm
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#endif // OPM_COMPRESSIBLETPFA_HEADER_INCLUDED
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