OilfieldToolsNet/opm-core
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Made initialization from SWAT/SGAS etc. more robust and general.

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This commit is contained in:
Atgeirr Flø Rasmussen 2012-09-14 10:40:36 +02:00
parent b90b803b80
commit a6fccb6790
1 changed files with 51 additions and 15 deletions
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62
opm/core/utility/initState_impl.hpp
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@ -29,6 +29,7 @@
#include <opm/core/utility/Units.hpp>
#include <opm/core/fluid/IncompPropertiesInterface.hpp>
#include <opm/core/fluid/BlackoilPropertiesInterface.hpp>
#include <opm/core/fluid/blackoil/phaseUsageFromDeck.hpp>
#include <cmath>
namespace Opm
@ -512,15 +513,23 @@ namespace Opm
State& state)
{
const int num_phases = props.numPhases();
const PhaseUsage pu = phaseUsageFromDeck(deck);
if (num_phases != pu.num_phases) {
THROW("initStateFromDeck(): Uuser specified property object with " << num_phases << " phases, "
"found " << pu.num_phases << " phases in deck.");
}
state.init(grid, num_phases);
if (deck.hasField("EQUIL")) {
if (num_phases != 2) {
THROW("initStateFromDeck(): EQUIL-based init currently handling only two-phase scenarios.");
}
if (pu.phase_used[BlackoilPhases::Vapour]) {
THROW("initStateFromDeck(): EQUIL-based init currently handling only oil-water scenario (no gas).");
}
// Set saturations depending on oil-water contact.
const EQUIL& equil= deck.getEQUIL();
if (equil.equil.size() != 1) {
THROW("No region support yet.");
THROW("initStateFromDeck(): No region support yet.");
}
const double woc = equil.equil[0].water_oil_contact_depth_;
initWaterOilContact(grid, props, woc, WaterBelow, state);
@ -528,37 +537,64 @@ namespace Opm
const double datum_z = equil.equil[0].datum_depth_;
const double datum_p = equil.equil[0].datum_depth_pressure_;
initHydrostaticPressure(grid, props, woc, gravity, datum_z, datum_p, state);
} else if (deck.hasField("SWAT") && deck.hasField("PRESSURE")) {
// Set saturations from SWAT, pressure from PRESSURE.
} else if (deck.hasField("PRESSURE")) {
// Set saturations from SWAT/SGAS, pressure from PRESSURE.
std::vector<double>& s = state.saturation();
std::vector<double>& p = state.pressure();
const std::vector<double>& sw_deck = deck.getFloatingPointValue("SWAT");
const std::vector<double>& p_deck = deck.getFloatingPointValue("PRESSURE");
const int num_cells = grid.number_of_cells;
if (num_phases == 2) {
if (!pu.phase_used[BlackoilPhases::Aqua]) {
// oil-gas: we require SGAS
if (!deck.hasField("SGAS")) {
THROW("initStateFromDeck(): missing SGAS keyword in 2-phase init");
}
const std::vector<double>& sg_deck = deck.getFloatingPointValue("SGAS");
const int gpos = pu.phase_pos[BlackoilPhases::Vapour];
const int opos = pu.phase_pos[BlackoilPhases::Liquid];
for (int c = 0; c < num_cells; ++c) {
int c_deck = (grid.global_cell == NULL) ? c : grid.global_cell[c];
s[2*c] = sw_deck[c_deck];
s[2*c + 1] = 1.0 - s[2*c];
s[2*c + gpos] = sg_deck[c_deck];
s[2*c + opos] = 1.0 - sg_deck[c_deck];
p[c] = p_deck[c_deck];
}
} else if (num_phases == 3) {
if (!deck.hasField("SGAS")) {
THROW("initStateFromDeck(): missing SGAS keyword in 3-phase init (only SWAT and PRESSURE found).");
} else {
// water-oil or water-gas: we require SWAT
if (!deck.hasField("SWAT")) {
THROW("initStateFromDeck(): missing SWAT keyword in 2-phase init");
}
const std::vector<double>& sw_deck = deck.getFloatingPointValue("SWAT");
const int wpos = pu.phase_pos[BlackoilPhases::Aqua];
const int nwpos = (wpos + 1) % 2;
for (int c = 0; c < num_cells; ++c) {
int c_deck = (grid.global_cell == NULL) ? c : grid.global_cell[c];
s[2*c + wpos] = sw_deck[c_deck];
s[2*c + nwpos] = 1.0 - sw_deck[c_deck];
p[c] = p_deck[c_deck];
}
}
} else if (num_phases == 3) {
const bool has_swat_sgas = deck.hasField("SWAT") && deck.hasField("SGAS");
if (!has_swat_sgas) {
THROW("initStateFromDeck(): missing SGAS or SWAT keyword in 3-phase init.");
}
const int wpos = pu.phase_pos[BlackoilPhases::Aqua];
const int gpos = pu.phase_pos[BlackoilPhases::Vapour];
const int opos = pu.phase_pos[BlackoilPhases::Liquid];
const std::vector<double>& sw_deck = deck.getFloatingPointValue("SWAT");
const std::vector<double>& sg_deck = deck.getFloatingPointValue("SGAS");
for (int c = 0; c < num_cells; ++c) {
int c_deck = (grid.global_cell == NULL) ? c : grid.global_cell[c];
s[3*c] = sw_deck[c_deck];
s[3*c + 1] = 1.0 - (sw_deck[c_deck] + sg_deck[c_deck]);
s[3*c + 2] = sg_deck[c_deck];
s[3*c + wpos] = sw_deck[c_deck];
s[3*c + opos] = 1.0 - (sw_deck[c_deck] + sg_deck[c_deck]);
s[3*c + gpos] = sg_deck[c_deck];
p[c] = p_deck[c_deck];
}
} else {
THROW("initStateFromDeck(): init with SWAT etc. only available with 2 or 3 phases.");
}
} else {
THROW("initStateFromDeck(): we must either have EQUIL, or both SWAT and PRESSURE.");
THROW("initStateFromDeck(): we must either have EQUIL, or PRESSURE and SWAT/SOIL/SGAS.");
}
// Finally, init face pressures.