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45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
#ifndef INITHYDROCARBONSTATE_HPP
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#define INITHYDROCARBONSTATE_HPP
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#include "opm/core/simulator/BlackoilState.hpp"
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namespace Opm
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{
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void initHydroCarbonState(BlackoilState& state, const PhaseUsage& pu, const int num_cells, const bool has_disgas, const bool has_vapoil) {
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enum { Oil = BlackoilPhases::Liquid, Gas = BlackoilPhases::Vapour, Water = BlackoilPhases::Aqua };
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// hydrocarbonstate is only used when gas and oil is present
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assert(pu.phase_used[Oil]);
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std::vector<HydroCarbonState>& hydroCarbonState = state.hydroCarbonState();
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hydroCarbonState.resize(num_cells);
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if (!pu.phase_used[Gas]) {
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// hydroCarbonState should only be used when oil and gas is present. Return OilOnly to avoid potential trouble.
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std::fill(hydroCarbonState.begin(), hydroCarbonState.end(), HydroCarbonState::OilOnly);
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return;
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}
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const int np = pu.num_phases;
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std::fill(hydroCarbonState.begin(), hydroCarbonState.end(), HydroCarbonState::GasAndOil);
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// set hydrocarbon state
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const double epsilon = std::sqrt(std::numeric_limits<double>::epsilon());
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const std::vector<double>& saturation = state.saturation();
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for (int c = 0; c < num_cells; ++c) {
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if (pu.phase_used[Water]) {
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if ( saturation[c*np + pu.phase_pos[ Water ]] > (1.0 - epsilon)) {
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continue; // cases (almost) filled with water is treated as GasAndOil case;
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}
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}
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if ( saturation[c*np + pu.phase_pos[ Gas ]] == 0.0 && has_disgas) {
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hydroCarbonState[c] = HydroCarbonState::OilOnly;
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continue;
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}
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if ( saturation[c*np + pu.phase_pos[ Oil ]] == 0.0 && has_vapoil) {
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hydroCarbonState[c] = HydroCarbonState::GasOnly;
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}
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}
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}
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} // namespace Opm
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#endif // INITHYDROCARBONSTATE_HPP
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