This commit is contained in:
Kjetil Olsen Lye
2012-04-10 14:48:35 +02:00
7 changed files with 254 additions and 232 deletions

View File

@@ -45,6 +45,7 @@
#include <opm/core/newwells.h>
#include <opm/core/WellsManager.hpp>
#include <opm/core/utility/ErrorMacros.hpp>
#include <opm/core/utility/initState.hpp>
#include <opm/core/utility/SimulatorTimer.hpp>
#include <opm/core/utility/StopWatch.hpp>
#include <opm/core/utility/Units.hpp>
@@ -73,6 +74,7 @@
#include <opm/core/transport/SinglePointUpwindTwoPhase.hpp>
#include <opm/core/ColumnExtract.hpp>
#include <opm/core/TwophaseState.hpp>
#include <opm/core/transport/GravityColumnSolver.hpp>
#include <opm/core/transport/reorder/TransportModelTwophase.hpp>
@@ -96,104 +98,8 @@
class ReservoirState
{
public:
ReservoirState(const UnstructuredGrid* g, const double init_sat, const double init_p)
: press_ (g->number_of_cells, 0.0),
fpress_(g->number_of_faces, 0.0),
flux_ (g->number_of_faces, 0.0),
sat_ (2 * g->number_of_cells, 0.0)
{
for (int cell = 0; cell < g->number_of_cells; ++cell) {
sat_[2*cell] = init_sat;
sat_[2*cell + 1] = 1.0 - init_sat;
press_[cell] = init_p;
}
}
enum ExtremalSat { MinSat, MaxSat };
void setToMinimumWaterSat(const Opm::IncompPropertiesInterface& props)
{
const int n = props.numCells();
std::vector<int> cells(n);
for (int i = 0; i < n; ++i) {
cells[i] = i;
}
setWaterSat(cells, props, MinSat);
}
void setWaterSat(const std::vector<int>& cells,
const Opm::IncompPropertiesInterface& props,
ExtremalSat es)
{
const int n = cells.size();
std::vector<double> smin(2*n);
std::vector<double> smax(2*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_[2*cell] = svals[2*ci];
sat_[2*cell + 1] = 1.0 - sat_[2*cell];
}
}
// Initialize saturations so that there is water below woc,
// and oil above.
// TODO: add 'anitialiasing', obtaining a more precise woc
// by f. ex. subdividing cells cut by the woc.
void initWaterOilContact(const UnstructuredGrid& grid,
const Opm::IncompPropertiesInterface& props,
const double woc)
{
// Find out which cells should have water and which should have oil.
std::vector<int> oil;
std::vector<int> water;
const int num_cells = grid.number_of_cells;
oil.reserve(num_cells);
water.reserve(num_cells);
const int dim = grid.dimensions;
for (int c = 0; c < num_cells; ++c) {
const double z = grid.cell_centroids[dim*c + dim - 1];
if (z > woc) {
// Z is depth, we put water in the deepest parts
// (even if oil is heavier...).
water.push_back(c);
} else {
oil.push_back(c);
}
}
// Set saturations.
setWaterSat(oil, props, MinSat);
setWaterSat(water, props, MaxSat);
}
int numPhases() const { return sat_.size()/press_.size(); }
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:
std::vector<double> press_ ;
std::vector<double> fpress_;
std::vector<double> flux_ ;
std::vector<double> sat_ ;
};
static void outputState(const UnstructuredGrid& grid,
const ReservoirState& state,
const Opm::TwophaseState& state,
const int step,
const std::string& output_dir)
{
@@ -374,8 +280,8 @@ main(int argc, char** argv)
boost::scoped_ptr<Opm::WellsManager> wells;
boost::scoped_ptr<Opm::RockCompressibility> rock_comp;
Opm::SimulatorTimer simtimer;
double water_oil_contact = 0.0;
bool woc_set = false;
Opm::TwophaseState state;
double gravity[3] = { 0.0 };
if (use_deck) {
std::string deck_filename = param.get<std::string>("deck_filename");
Opm::EclipseGridParser deck(deck_filename);
@@ -393,16 +299,12 @@ main(int argc, char** argv)
} else {
simtimer.init(param);
}
// Water-oil contact.
if (deck.hasField("EQUIL")) {
water_oil_contact = deck.getEQUIL().equil[0].water_oil_contact_depth_;
woc_set = true;
} else if (param.has("water_oil_contact")) {
water_oil_contact = param.get<double>("water_oil_contact");
woc_set = true;
}
// Rock compressibility.
rock_comp.reset(new Opm::RockCompressibility(deck));
// Gravity.
gravity[2] = deck.hasField("NOGRAV") ? 0.0 : Opm::unit::gravity;
// Init state variables (saturation and pressure).
initStateTwophaseFromDeck(*grid->c_grid(), *props, deck, gravity[2], state);
} else {
// Grid init.
const int nx = param.getDefault("nx", 100);
@@ -418,23 +320,20 @@ main(int argc, char** argv)
wells.reset(new Opm::WellsManager());
// Timer init.
simtimer.init(param);
if (param.has("water_oil_contact")) {
water_oil_contact = param.get<double>("water_oil_contact");
woc_set = true;
}
// Rock compressibility.
rock_comp.reset(new Opm::RockCompressibility(param));
// Gravity.
gravity[2] = param.getDefault("gravity", 0.0);
// Init state variables (saturation and pressure).
initStateTwophaseBasic(*grid->c_grid(), *props, param, gravity[2], state);
}
// Extra fluid init for transport solver.
TwophaseFluid fluid(*props);
// Gravity init.
double gravity[3] = { 0.0 };
double g = param.getDefault("gravity", 0.0);
bool use_gravity = g != 0.0;
// Warn if gravity but no density difference.
bool use_gravity = (gravity[0] != 0.0 || gravity[1] != 0.0 || gravity[2] != 0.0);
if (use_gravity) {
gravity[grid->c_grid()->dimensions - 1] = g;
if (props->density()[0] == props->density()[1]) {
std::cout << "**** Warning: nonzero gravity, but zero density difference." << std::endl;
}
@@ -468,17 +367,11 @@ main(int argc, char** argv)
nl_pressure_tolerance = param.getDefault("nl_pressure_tolerance", 1.0); // in Pascal
}
// State-related and source-related variables init.
// Source-related variables init.
int num_cells = grid->c_grid()->number_of_cells;
std::vector<double> totmob;
std::vector<double> omega; // Will remain empty if no gravity.
std::vector<double> rc; // Will remain empty if no rock compressibility.
double init_sat = param.getDefault("init_sat", 0.0);
double init_p = param.getDefault("init_p_bar", 235)*Opm::unit::barsa;
ReservoirState state(grid->c_grid(), init_sat, init_p);
if (!param.has("init_sat")) {
state.setToMinimumWaterSat(*props);
}
// Extra rock init.
std::vector<double> porevol;
@@ -493,106 +386,18 @@ main(int argc, char** argv)
// code expects a scalar sw, not both sw and so.
std::vector<double> reorder_sat(num_cells);
std::vector<double> src(num_cells, 0.0);
int scenario = param.getDefault("scenario", woc_set ? 4 : 0);
switch (scenario) {
case 0:
{
std::cout << "==== Scenario 0: simple wells or single-cell source and sink.\n";
if (wells->c_wells()) {
Opm::wellsToSrc(*wells->c_wells(), num_cells, src);
} else {
double flow_per_sec = 0.1*tot_porevol_init/Opm::unit::day;
if (param.has("injection_rate_per_day")) {
flow_per_sec = param.get<double>("injection_rate_per_day")/Opm::unit::day;
}
src[0] = flow_per_sec;
src[num_cells - 1] = -flow_per_sec;
}
break;
}
case 1:
{
std::cout << "==== Scenario 1: half source, half sink.\n";
double flow_per_sec = 0.1*porevol[0]/Opm::unit::day;
std::fill(src.begin(), src.begin() + src.size()/2, flow_per_sec);
std::fill(src.begin() + src.size()/2, src.end(), -flow_per_sec);
break;
}
case 2:
{
std::cout << "==== Scenario 2: gravity convection.\n";
if (!use_gravity) {
std::cout << "**** Warning: running gravity convection scenario, but gravity is zero." << std::endl;
}
if (use_deck) {
std::cout << "**** Warning: running gravity convection scenario, which expects a cartesian grid."
<< std::endl;
}
if (grid->c_grid()->cartdims[2] <= 1) {
std::cout << "**** Warning: running gravity convection scenario, which expects nz > 1." << std::endl;
}
std::vector<int> left_cells;
left_cells.reserve(num_cells/2);
const int *glob_cell = grid->c_grid()->global_cell;
for (int cell = 0; cell < num_cells; ++cell) {
const int* cd = grid->c_grid()->cartdims;
const int gc = glob_cell == 0 ? cell : glob_cell[cell];
bool left = (gc % cd[0]) < cd[0]/2;
if (left) {
left_cells.push_back(cell);
}
}
state.setWaterSat(left_cells, *props, ReservoirState::MaxSat);
break;
}
case 3:
{
std::cout << "==== Scenario 3: gravity segregation.\n";
if (!use_gravity) {
std::cout << "**** Warning: running gravity segregation scenario, but gravity is zero." << std::endl;
}
if (use_deck) {
std::cout << "**** Warning: running gravity segregation scenario, which expects a cartesian grid."
<< std::endl;
}
if (grid->c_grid()->cartdims[2] <= 1) {
std::cout << "**** Warning: running gravity segregation scenario, which expects nz > 1." << std::endl;
}
std::vector<int> top_cells;
const int *glob_cell = grid->c_grid()->global_cell;
// Water on top
for (int cell = 0; cell < num_cells; ++cell) {
const int* cd = grid->c_grid()->cartdims;
const int gc = glob_cell == 0 ? cell : glob_cell[cell];
bool top = (gc / cd[0] / cd[1]) < cd[2]/2;
if (top) {
top_cells.push_back(cell);
}
}
state.setWaterSat(top_cells, *props, ReservoirState::MaxSat);
break;
}
case 4:
{
std::cout << "==== Scenario 4: water-oil contact and simple wells or sources\n";
if (!use_gravity) {
std::cout << "**** Warning: initializing segregated water and oil zones, but gravity is zero." << std::endl;
}
state.initWaterOilContact(*grid->c_grid(), *props, water_oil_contact);
if (wells->c_wells()) {
Opm::wellsToSrc(*wells->c_wells(), num_cells, src);
} else {
double flow_per_sec = 0.01*tot_porevol_init/Opm::unit::day;
src[0] = flow_per_sec;
src[grid->c_grid()->number_of_cells - 1] = -flow_per_sec;
}
break;
}
default:
{
THROW("==== Scenario " << scenario << " is unknown.");
}
// Initialising src
if (wells->c_wells()) {
Opm::wellsToSrc(*wells->c_wells(), num_cells, src);
} else {
const double default_injection = use_gravity ? 0.0 : 0.1;
const double flow_per_sec = param.getDefault<double>("injected_porevolumes_per_day", default_injection)
*tot_porevol_init/Opm::unit::day;
src[0] = flow_per_sec;
src[num_cells - 1] = -flow_per_sec;
}
TransportSource* tsrc = create_transport_source(2, 2);
double ssrc[] = { 1.0, 0.0 };
double ssink[] = { 0.0, 1.0 };