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MultisegmentWell: move processFractions to MultisegmentWellPrimaryVariables

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This commit is contained in:
Arne Morten Kvarving 2022-12-19 09:52:48 +01:00
parent 5212e9c100
commit 6404d69201
4 changed files with 73 additions and 74 deletions
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72
opm/simulators/wells/MultisegmentWellEval.cpp
View File

@ -171,76 +171,6 @@ getWellConvergence(const WellState& well_state,
return report;
}
template<typename FluidSystem, typename Indices, typename Scalar>
void
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
processFractions(const int seg)
{
static constexpr int Water = BlackoilPhases::Aqua;
static constexpr int Oil = BlackoilPhases::Liquid;
static constexpr int Gas = BlackoilPhases::Vapour;
const PhaseUsage& pu = baseif_.phaseUsage();
std::vector<double> fractions(baseif_.numPhases(), 0.0);
assert( FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) );
const int oil_pos = pu.phase_pos[Oil];
fractions[oil_pos] = 1.0;
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
const int water_pos = pu.phase_pos[Water];
fractions[water_pos] = primary_variables_.value_[seg][WFrac];
fractions[oil_pos] -= fractions[water_pos];
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
const int gas_pos = pu.phase_pos[Gas];
fractions[gas_pos] = primary_variables_.value_[seg][GFrac];
fractions[oil_pos] -= fractions[gas_pos];
}
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
const int water_pos = pu.phase_pos[Water];
if (fractions[water_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
fractions[pu.phase_pos[Gas]] /= (1.0 - fractions[water_pos]);
}
fractions[oil_pos] /= (1.0 - fractions[water_pos]);
fractions[water_pos] = 0.0;
}
}
if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
const int gas_pos = pu.phase_pos[Gas];
if (fractions[gas_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
fractions[pu.phase_pos[Water]] /= (1.0 - fractions[gas_pos]);
}
fractions[oil_pos] /= (1.0 - fractions[gas_pos]);
fractions[gas_pos] = 0.0;
}
}
if (fractions[oil_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
fractions[pu.phase_pos[Water]] /= (1.0 - fractions[oil_pos]);
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
fractions[pu.phase_pos[Gas]] /= (1.0 - fractions[oil_pos]);
}
fractions[oil_pos] = 0.0;
}
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
primary_variables_.value_[seg][WFrac] = fractions[pu.phase_pos[Water]];
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
primary_variables_.value_[seg][GFrac] = fractions[pu.phase_pos[Gas]];
}
}
template<typename FluidSystem, typename Indices, typename Scalar>
void
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
@ -265,7 +195,7 @@ updatePrimaryVariablesNewton(const BVectorWell& dwells,
}
// handling the overshooting or undershooting of the fractions
processFractions(seg);
primary_variables_.processFractions(seg);
// update the segment pressure
{

3
opm/simulators/wells/MultisegmentWellEval.hpp
View File

@ -131,9 +131,6 @@ protected:
const double relaxed_inner_tolerance_pressure_ms_well,
const bool relax_tolerance) const;
// handling the overshooting and undershooting of the fractions
void processFractions(const int seg);
void updateUpwindingSegments();
// updating the well_state based on well solution dwells

69
opm/simulators/wells/MultisegmentWellPrimaryVariables.cpp
View File

@ -142,6 +142,75 @@ update(const WellState& well_state)
}
}
template<class FluidSystem, class Indices, class Scalar>
void MultisegmentWellPrimaryVariables<FluidSystem,Indices,Scalar>::
processFractions(const int seg)
{
static constexpr int Water = BlackoilPhases::Aqua;
static constexpr int Oil = BlackoilPhases::Liquid;
static constexpr int Gas = BlackoilPhases::Vapour;
const PhaseUsage& pu = well_.phaseUsage();
std::vector<double> fractions(well_.numPhases(), 0.0);
assert(FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx));
const int oil_pos = pu.phase_pos[Oil];
fractions[oil_pos] = 1.0;
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
const int water_pos = pu.phase_pos[Water];
fractions[water_pos] = value_[seg][WFrac];
fractions[oil_pos] -= fractions[water_pos];
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
const int gas_pos = pu.phase_pos[Gas];
fractions[gas_pos] = value_[seg][GFrac];
fractions[oil_pos] -= fractions[gas_pos];
}
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
const int water_pos = pu.phase_pos[Water];
if (fractions[water_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
fractions[pu.phase_pos[Gas]] /= (1.0 - fractions[water_pos]);
}
fractions[oil_pos] /= (1.0 - fractions[water_pos]);
fractions[water_pos] = 0.0;
}
}
if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
const int gas_pos = pu.phase_pos[Gas];
if (fractions[gas_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
fractions[pu.phase_pos[Water]] /= (1.0 - fractions[gas_pos]);
}
fractions[oil_pos] /= (1.0 - fractions[gas_pos]);
fractions[gas_pos] = 0.0;
}
}
if (fractions[oil_pos] < 0.0) {
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
fractions[pu.phase_pos[Water]] /= (1.0 - fractions[oil_pos]);
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
fractions[pu.phase_pos[Gas]] /= (1.0 - fractions[oil_pos]);
}
fractions[oil_pos] = 0.0;
}
if ( FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx) ) {
value_[seg][WFrac] = fractions[pu.phase_pos[Water]];
}
if ( FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) ) {
value_[seg][GFrac] = fractions[pu.phase_pos[Gas]];
}
}
#define INSTANCE(...) \
template class MultisegmentWellPrimaryVariables<BlackOilFluidSystem<double,BlackOilDefaultIndexTraits>,__VA_ARGS__,double>;

3
opm/simulators/wells/MultisegmentWellPrimaryVariables.hpp
View File

@ -90,6 +90,9 @@ public:
// the Evaluation for the well primary variables, which contain derivativles and are used in AD calculation
std::vector<std::array<EvalWell, numWellEq> > evaluation_;
//! \brief Handle non-reasonable fractions due to numerical overshoot.
void processFractions(const int seg);
private:
const WellInterfaceIndices<FluidSystem,Indices,Scalar>& well_; //!< Reference to well interface
};