Initial work on supporting polymer transport. Work in progress.

This commit is contained in:
Atgeirr Flø Rasmussen 2012-02-03 16:39:55 +01:00
parent e1df60c04d
commit 143861745a
5 changed files with 110 additions and 23 deletions

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@ -38,6 +38,7 @@
#include <opm/core/transport/CSRMatrixUmfpackSolver.hpp>
#include <opm/polymer/polymertransport.hpp>
#include <opm/polymer/polymermodel.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/scoped_ptr.hpp>
@ -67,7 +68,8 @@ public:
: press_ (g->number_of_cells, 0.0),
fpress_(g->number_of_faces, 0.0),
flux_ (g->number_of_faces, 0.0),
sat_ (num_phases * g->number_of_cells, 0.0)
sat_ (num_phases * g->number_of_cells, 0.0),
concentration_(g->number_of_cells, 0.0)
{
for (int cell = 0; cell < g->number_of_cells; ++cell) {
sat_[num_phases*cell + num_phases - 1] = 1.0;
@ -80,17 +82,20 @@ public:
::std::vector<double>& facepressure() { return fpress_; }
::std::vector<double>& faceflux () { return flux_ ; }
::std::vector<double>& saturation () { return sat_ ; }
::std::vector<double>& concentration() { return concentration_; }
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_ ; }
const ::std::vector<double>& concentration() const { return concentration_; }
private:
::std::vector<double> press_ ;
::std::vector<double> fpress_;
::std::vector<double> flux_ ;
::std::vector<double> sat_ ;
::std::vector<double> concentration_ ;
};
@ -142,7 +147,9 @@ main(int argc, char** argv)
bool use_deck = param.has("deck_filename");
boost::scoped_ptr<Opm::Grid> grid;
boost::scoped_ptr<Opm::IncompPropertiesInterface> props;
PolymerData polydata;
if (use_deck) {
THROW("We do not yet read polymer keywords from deck.");
std::string deck_filename = param.get<std::string>("deck_filename");
Opm::EclipseGridParser deck(deck_filename);
// Grid init
@ -159,6 +166,14 @@ main(int argc, char** argv)
grid.reset(new Opm::Grid(nx, ny, nz));
// Rock and fluid init.
props.reset(new Opm::IncompPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
polydata.c_max_limit = param.getDefault("c_max_limit", 1.0);
polydata.omega = param.getDefault("omega", 1.0);
polydata.c_vals.resize(2);
polydata.c_vals[0] = 0.0;
polydata.c_vals[0] = polydata.c_max_limit;
polydata.visc_mult_vals.resize(2);
polydata.visc_mult_vals[0] = 1.0;
polydata.visc_mult_vals[1] = param.getDefault("c_max_viscmult", 30.0);
}
// Extra rock init.
@ -228,8 +243,10 @@ main(int argc, char** argv)
stepsize,
const_cast<UnstructuredGrid*>(grid->c_grid()),
props.get(),
&polydata,
&state.faceflux()[0],
&reorder_sat[0]);
&reorder_sat[0],
&state.concentration()[0]);
Opm::toBothSat(reorder_sat, state.saturation());
current_time += stepsize;

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@ -1,30 +1,46 @@
/* Copyright 2011 (c) Jostein R. Natvig <Jostein.R.Natvig at sintef.no> */
/* Copyright 2012 (c) SINTEF */
#include <stdlib.h>
#include <stdio.h>
#include <opm/polymer/polymermodel.hpp>
#include <opm/core/grid.h>
#include <opm/core/transport/reorder/nlsolvers.h>
#include <opm/core/fluid/IncompPropertiesInterface.hpp>
#include <cstdlib>
#include <cstdio>
#include <cmath>
/* Parameters used in solution of single-cell boundary-value problem */
struct Parameters
{
double c;
double s0;
double influx; /* sum_j min(v_ij, 0)*f(s_j) */
double outflux; /* sum_j max(v_ij, 0) */
// double c0;
double dtpv; /* dt/pv(i) */
double influx; /* sum_j min(v_ij, 0)*f(s_j) */
// double influx_polymer;
double outflux; /* sum_j max(v_ij, 0) */
// double dps;
// double rhor;
// double phi;
int cell;
const Opm::IncompPropertiesInterface* props;
const PolymerData* polydata;
};
static struct Parameters get_parameters(struct PolymerSolverData *d, int cell);
static double residual(double s, void *data);
static double fluxfun_props(double s, int cell, const Opm::IncompPropertiesInterface* props);
static double residual_s(double s, void *data);
static double residual_c(double c, void *data);
static double fluxfun_props(double s,
double c,
int cell,
const Opm::IncompPropertiesInterface* props,
const PolymerData* polydata);
void
destroy_solverdata(struct PolymerSolverData *d)
@ -39,11 +55,13 @@ destroy_solverdata(struct PolymerSolverData *d)
struct PolymerSolverData *
init_solverdata(struct UnstructuredGrid *grid,
const Opm::IncompPropertiesInterface* props,
const PolymerData* polydata,
const double *darcyflux,
const double *porevolume,
const double *source,
const double dt,
double *saturation)
double *saturation,
double *concentration)
{
int i;
struct PolymerSolverData *d = (struct PolymerSolverData*) malloc(sizeof *d);
@ -52,12 +70,14 @@ init_solverdata(struct UnstructuredGrid *grid,
{
d->grid = grid;
d->props = props;
d->polydata = polydata;
d->darcyflux = darcyflux;
d->porevolume = porevolume;
d->source = source;
d->dt = dt;
d->saturation = saturation;
d->concentration = concentration;
d->fractionalflow = (double*) malloc(grid->number_of_cells *
sizeof *d->fractionalflow);
if (d->fractionalflow == NULL)
@ -78,12 +98,12 @@ void polymer_solvecell(void *data, struct NonlinearSolverCtrl *ctrl, int cell)
{
struct PolymerSolverData *d = (struct PolymerSolverData*) data;
struct Parameters prm = get_parameters(d, cell);
d->saturation[cell] = find_zero(residual, &prm, ctrl);
d->saturation[cell] = find_zero(residual_s, &prm, ctrl);
// double ff1 = fluxfun_props(d->saturation[cell], cell, d->props);
// double ff2 = fluxfun(d->saturation[cell], -999);
// printf("New = %f old = %f\n", ff1, ff2);
d->fractionalflow[cell] = fluxfun_props(d->saturation[cell], cell, d->props);
d->fractionalflow[cell] = fluxfun_props(d->saturation[cell], d->concentration[cell], cell, d->props, d->polydata);
}
@ -96,10 +116,21 @@ void polymer_solvecell(void *data, struct NonlinearSolverCtrl *ctrl, int cell)
*/
/* influx is water influx, outflux is total outflux */
static double
residual(double s, void *data)
residual_s(double s, void *data)
{
struct Parameters *p = (struct Parameters*) data;
return s - p->s0 + p->dtpv*(p->outflux*fluxfun_props(s, p->cell, p->props) + p->influx);
double c = p->c;
return s - p->s0 + p->dtpv*(p->outflux*fluxfun_props(s, c, p->cell, p->props, p->polydata) + p->influx);
}
static double
residual_c(double c, void *data)
{
(void) c;
(void) data;
// struct Parameters *p = (struct Parameters*) data;
// return s - p->s0 + p->dtpv*(p->outflux*fluxfun_props(s, p->cell, p->props) + p->influx);
return 0.0;
}
static struct Parameters
@ -111,6 +142,7 @@ get_parameters(struct PolymerSolverData *d, int cell)
double flux;
int f, other;
p.c = d->concentration[cell];
p.s0 = d->saturation[cell];
p.influx = d->source[cell] > 0 ? -d->source[cell] : 0.0;
p.outflux = d->source[cell] <= 0 ? -d->source[cell] : 0.0;
@ -141,17 +173,31 @@ get_parameters(struct PolymerSolverData *d, int cell)
}
}
}
p.polydata = d->polydata;
return p;
}
static double fluxfun_props(double s, int cell, const Opm::IncompPropertiesInterface* props)
static double fluxfun_props(double s, double c, int cell,
const Opm::IncompPropertiesInterface* props,
const PolymerData* pd)
{
const double* visc = props->viscosity();
double c_max_limit = pd->c_max_limit;
double cbar = c/c_max_limit;
double mu_w = visc[0];
double mu_m = pd->viscMult(c)*mu_w;
double mu_p = pd->viscMult(pd->c_max_limit)*mu_w;
double omega = pd->omega;
double mu_m_omega = std::pow(mu_m, omega);
double mu_w_e = mu_m_omega*std::pow(mu_w, 1.0 - omega);
double mu_p_eff = mu_m_omega*std::pow(mu_p, 1.0 - omega);
double inv_mu_w_eff = (1.0 - cbar)/mu_w_e + cbar/mu_p_eff;
double inv_visc_eff[2] = { inv_mu_w_eff, 1.0/visc[1] };
double sat[2] = { s, 1.0 - s };
double mob[2];
props->relperm(1, sat, &cell, mob, NULL);
mob[0] /= visc[0];
mob[1] /= visc[1];
mob[0] *= inv_visc_eff[0];
mob[1] *= inv_visc_eff[1];
return mob[0]/(mob[0] + mob[1]);
}

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@ -4,7 +4,7 @@
#ifndef POLYMER_HPP_INCLUDED
#define POLYMER_HPP_INCLUDED
#include <opm/core/utility/linearInterpolation.hpp>
struct UnstructuredGrid;
namespace Opm
@ -12,14 +12,30 @@ namespace Opm
class IncompPropertiesInterface;
}
struct PolymerData
{
double c_max_limit;
double omega;
double viscMult(double c) const
{
return Opm::linearInterpolation(c_vals, visc_mult_vals, c);
}
std::vector<double> c_vals;
std::vector<double> visc_mult_vals;
};
struct PolymerSolverData {
struct UnstructuredGrid *grid;
const Opm::IncompPropertiesInterface* props;
const PolymerData* polydata;
const double *darcyflux; /* one flux per face in cdata::grid*/
const double *porevolume; /* one volume per cell */
const double *source; /* one source per cell */
double dt;
double *saturation; /* one per cell */
double *concentration; /* one per cell */
double *fractionalflow; /* one per cell */
};
@ -35,11 +51,13 @@ destroy_solverdata(struct PolymerSolverData *d);
struct PolymerSolverData *
init_solverdata(struct UnstructuredGrid *grid,
const Opm::IncompPropertiesInterface* props,
const PolymerData* polydata,
const double *darcyflux,
const double *porevolume,
const double *source,
const double dt,
double *saturation);
double *saturation,
double *concentration);
#endif /* POLYMER_H_INCLUDED */

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@ -20,8 +20,10 @@ void polymertransport(
double dt,
struct UnstructuredGrid *grid,
const Opm::IncompPropertiesInterface* props,
const PolymerData* polydata,
const double *darcyflux,
double *saturation)
double *saturation,
double *concentration)
{
int i;
@ -29,8 +31,9 @@ void polymertransport(
int *sequence;
int *components;
struct PolymerSolverData *data = init_solverdata(grid, props, darcyflux,
porevolume, source, dt, saturation);
PolymerSolverData *data = init_solverdata(grid, props, polydata, darcyflux,
porevolume, source, dt, saturation,
concentration);
struct NonlinearSolverCtrl ctrl;

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@ -10,6 +10,7 @@ namespace Opm
}
struct UnstructuredGrid;
struct PolymerData;
void polymertransport(
const double *porevolume,
@ -17,8 +18,10 @@ void polymertransport(
double dt,
struct UnstructuredGrid *grid,
const Opm::IncompPropertiesInterface* props,
const PolymerData* polydata,
const double *darcyflux,
double *saturation);
double *saturation,
double *concentration);
#endif /* POLYMERTRANSPORT_HPP_INCLUDED */