OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2024-12-01 21:39:09 -06:00
Code Issues Packages Projects Releases Wiki Activity

Added corey fluid class.

Browse Source
This commit is contained in:
Xavier Raynaud 2012-06-13 15:48:09 +02:00
parent 9637906a35
commit cab3652c49
1 changed files with 70 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
examples/polymer_reorder.cpp
View File

@ -259,6 +259,66 @@ private:
std::vector<double> smax_;
};
class IncompPropertiesCorey : public Opm::IncompPropertiesBasic {
private:
std::vector<double> exponents_;
int np_;
double corey_kr(double s, int p) const {
return std::pow(s, exponents_[p]);
}
double corey_dkrds(double s, int p) const {
return exponents_[p]*std::pow(s, exponents_[p] - 1.0);
}
public:
IncompPropertiesCorey(const Opm::parameter::ParameterGroup& param,
const int dim,
const int num_cells,
const std::vector<double> exponents
) : IncompPropertiesBasic(param, dim, num_cells) {
exponents_ = exponents;
np_ = numPhases();
}
/// \param[in] n Number of data points.
/// \param[in] s Array of nP saturation values.
/// \param[in] cells Array of n cell indices to be associated with the s values.
/// \param[out] kr Array of nP relperm values, array must be valid before calling.
/// \param[out] dkrds If non-null: array of nP^2 relperm derivative values,
/// array must be valid before calling.
/// The P^2 derivative matrix is
/// m_{ij} = \frac{dkr_i}{ds^j},
/// and is output in Fortran order (m_00 m_10 m_20 m_01 ...)
virtual void relperm(const int n,
const double* s,
const int* /*cells*/,
double* kr,
double* dkrds) const {
if (dkrds == 0) {
// #pragma omp parallel for
for (int i = 0; i < n; ++i) {
for (int p = 0; p < np_; ++p) {
kr[i*np_ + p] = corey_kr(s[i*np_ + p], p);
}
}
return;
}
// #pragma omp parallel for
for (int i = 0; i < n; ++i) {
std::fill(dkrds + i*np_*np_, dkrds + (i+1)*np_*np_, 0.0);
for (int p = 0; p < np_; ++p) {
kr[i*np_ + p] = corey_kr(s[i*np_ + p], p);
// Only diagonal elements in derivative.
dkrds[i*np_*np_ + p*np_ + p] = corey_dkrds(s[i*np_ + p], p);
}
}
}
};
typedef PolymerFluid2pWrappingProps TwophaseFluidPolymer;
typedef Opm::SinglePointUpwindTwoPhasePolymer<TwophaseFluidPolymer> FluxModel;
@ -393,7 +453,16 @@ main(int argc, char** argv)
grid.reset(new Opm::GridManager(nx, ny, nz, dx, dy, dz));
// Rock and fluid init.
// props.reset(new Opm::IncompPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
props.reset(new Opm::IncompPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
bool use_corey = false;
use_corey = param.getDefault("use_corey", false);
if (use_corey) {
std::vector<double> exponents(2, 1.0);
exponents[0] = param.getDefault("n1", 1.0);
exponents[1] = param.getDefault("n2", 1.0);
props.reset(new IncompPropertiesCorey(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells, exponents));
} else {
props.reset(new IncompPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
}
// Wells init.
wells.reset(new Opm::WellsManager());
// Timer init.