opm-simulators/opm/core/simulator/TwophaseState.hpp
2012-06-05 15:42:49 +02:00

97 lines
3.4 KiB
C++

/*
Copyright 2012 SINTEF ICT, Applied Mathematics.
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_TWOPHASESTATE_HEADER_INCLUDED
#define OPM_TWOPHASESTATE_HEADER_INCLUDED
#include <opm/core/grid.h>
#include <opm/core/fluid/IncompPropertiesInterface.hpp>
#include <vector>
namespace Opm
{
/// Simulator state for a two-phase simulator.
class TwophaseState
{
public:
void init(const UnstructuredGrid& g, int num_phases)
{
num_phases_ = num_phases;
press_.resize(g.number_of_cells, 0.0);
fpress_.resize(g.number_of_faces, 0.0);
flux_.resize(g.number_of_faces, 0.0);
sat_.resize(num_phases_ * g.number_of_cells, 0.0);
for (int cell = 0; cell < g.number_of_cells; ++cell) {
// Defaulting the second saturation to 1.0.
// This will usually be oil in a water-oil case,
// gas in an oil-gas case.
// For proper initialization, one should not rely on this,
// but use available phase information instead.
sat_[num_phases_*cell + 1] = 1.0;
}
}
enum ExtremalSat { MinSat, MaxSat };
void setFirstSat(const std::vector<int>& cells,
const Opm::IncompPropertiesInterface& props,
ExtremalSat es)
{
const int n = cells.size();
std::vector<double> smin(num_phases_*n);
std::vector<double> smax(num_phases_*n);
props.satRange(n, &cells[0], &smin[0], &smax[0]);
const double* svals = (es == MinSat) ? &smin[0] : &smax[0];
for (int ci = 0; ci < n; ++ci) {
const int cell = cells[ci];
sat_[num_phases_*cell] = svals[num_phases_*ci];
sat_[num_phases_*cell + 1] = 1.0 - sat_[num_phases_*cell];
}
}
int numPhases() const
{
return num_phases_;
}
std::vector<double>& pressure () { return press_ ; }
std::vector<double>& facepressure() { return fpress_; }
std::vector<double>& faceflux () { return flux_ ; }
std::vector<double>& saturation () { return sat_ ; }
const std::vector<double>& pressure () const { return press_ ; }
const std::vector<double>& facepressure() const { return fpress_; }
const std::vector<double>& faceflux () const { return flux_ ; }
const std::vector<double>& saturation () const { return sat_ ; }
private:
int num_phases_;
std::vector<double> press_ ;
std::vector<double> fpress_;
std::vector<double> flux_ ;
std::vector<double> sat_ ;
};
} // namespace Opm
#endif // OPM_TWOPHASESTATE_HEADER_INCLUDED