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move pressureDropAutoICD to MultisegmentWellSegments

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This commit is contained in:
Arne Morten Kvarving 2022-12-19 14:20:55 +01:00
parent 133f2a92bb
commit fb0ec18aba
4 changed files with 92 additions and 87 deletions
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87
opm/simulators/wells/MultisegmentWellEval.cpp
View File

@ -179,91 +179,6 @@ extendEval(const Eval& in) const
return out;
}
template<typename FluidSystem, typename Indices, typename Scalar>
typename MultisegmentWellEval<FluidSystem,Indices,Scalar>::EvalWell
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
pressureDropAutoICD(const int seg,
const UnitSystem& unit_system) const
{
const AutoICD& aicd = this->segmentSet()[seg].autoICD();
const int seg_upwind = segments_.upwinding_segments_[seg];
const std::vector<EvalWell>& phase_fractions = this->segments_.phase_fractions_[seg_upwind];
const std::vector<EvalWell>& phase_viscosities = this->segments_.phase_viscosities_[seg_upwind];
const std::vector<EvalWell>& phase_densities = this->segments_.phase_densities_[seg_upwind];
EvalWell water_fraction = 0.;
EvalWell water_viscosity = 0.;
EvalWell water_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
const int water_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::waterCompIdx);
water_fraction = phase_fractions[water_pos];
water_viscosity = phase_viscosities[water_pos];
water_density = phase_densities[water_pos];
}
EvalWell oil_fraction = 0.;
EvalWell oil_viscosity = 0.;
EvalWell oil_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx)) {
const int oil_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::oilCompIdx);
oil_fraction = phase_fractions[oil_pos];
oil_viscosity = phase_viscosities[oil_pos];
oil_density = phase_densities[oil_pos];
}
EvalWell gas_fraction = 0.;
EvalWell gas_viscosity = 0.;
EvalWell gas_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
const int gas_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx);
gas_fraction = phase_fractions[gas_pos];
gas_viscosity = phase_viscosities[gas_pos];
gas_density = phase_densities[gas_pos];
}
EvalWell density = segments_.densities_[seg_upwind];
// WARNING
// We disregard the derivatives from the upwind density to make sure derivatives
// wrt. to different segments dont get mixed.
if (seg != seg_upwind) {
water_fraction.clearDerivatives();
water_viscosity.clearDerivatives();
water_density.clearDerivatives();
oil_fraction.clearDerivatives();
oil_viscosity.clearDerivatives();
oil_density.clearDerivatives();
gas_fraction.clearDerivatives();
gas_viscosity.clearDerivatives();
gas_density.clearDerivatives();
density.clearDerivatives();
}
using MathTool = MathToolbox<EvalWell>;
const EvalWell mixture_viscosity = MathTool::pow(water_fraction, aicd.waterViscExponent()) * water_viscosity
+ MathTool::pow(oil_fraction, aicd.oilViscExponent()) * oil_viscosity
+ MathTool::pow(gas_fraction, aicd.gasViscExponent()) * gas_viscosity;
const EvalWell mixture_density = MathTool::pow(water_fraction, aicd.waterDensityExponent()) * water_density
+ MathTool::pow(oil_fraction, aicd.oilDensityExponent()) * oil_density
+ MathTool::pow(gas_fraction, aicd.gasDensityExponent()) * gas_density;
const double rho_reference = aicd.densityCalibration();
const double visc_reference = aicd.viscosityCalibration();
const auto volume_rate_icd = this->segments_.mass_rates_[seg] * aicd.scalingFactor() / mixture_density;
const double sign = volume_rate_icd <= 0. ? 1.0 : -1.0;
// convert 1 unit volume rate
using M = UnitSystem::measure;
const double unit_volume_rate = unit_system.to_si(M::geometric_volume_rate, 1.);
// TODO: we did not consider the maximum allowed rate here
const auto result = sign / rho_reference * mixture_density * mixture_density
* MathTool::pow(visc_reference/mixture_viscosity, aicd.viscExponent())
* aicd.strength() * MathTool::pow( -sign * volume_rate_icd, aicd.flowRateExponent())
* std::pow(unit_volume_rate, (2. - aicd.flowRateExponent())) ;
return result;
}
template<typename FluidSystem, typename Indices, typename Scalar>
typename MultisegmentWellEval<FluidSystem,Indices,Scalar>::EvalWell
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
@ -422,7 +337,7 @@ assembleICDPressureEq(const int seg,
icd_pressure_drop = segments_.pressureDropSpiralICD(seg);
break;
case Segment::SegmentType::AICD :
icd_pressure_drop = pressureDropAutoICD(seg, unit_system);
icd_pressure_drop = segments_.pressureDropAutoICD(seg, unit_system);
break;
case Segment::SegmentType::VALVE :
icd_pressure_drop = pressureDropValve(seg);

1
opm/simulators/wells/MultisegmentWellEval.hpp
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@ -121,7 +121,6 @@ protected:
void handleAccelerationPressureLoss(const int seg,
WellState& well_state);
// pressure drop for Autonomous ICD segment (WSEGAICD)
EvalWell pressureDropAutoICD(const int seg,
const UnitSystem& unit_system) const;

86
opm/simulators/wells/MultisegmentWellSegments.cpp
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@ -549,6 +549,92 @@ pressureDropSpiralICD(const int seg) const
return sign * temp_value1 * temp_value2 * strength * reservoir_rate_icd * reservoir_rate_icd;
}
template<class FluidSystem, class Indices, class Scalar>
typename MultisegmentWellSegments<FluidSystem,Indices,Scalar>::EvalWell
MultisegmentWellSegments<FluidSystem,Indices,Scalar>::
pressureDropAutoICD(const int seg,
const UnitSystem& unit_system) const
{
const auto& segment_set = well_.wellEcl().getSegments();
const AutoICD& aicd = segment_set[seg].autoICD();
const int seg_upwind = upwinding_segments_[seg];
const std::vector<EvalWell>& phase_fractions = phase_fractions_[seg_upwind];
const std::vector<EvalWell>& phase_viscosities = phase_viscosities_[seg_upwind];
const std::vector<EvalWell>& phase_densities = phase_densities_[seg_upwind];
EvalWell water_fraction = 0.;
EvalWell water_viscosity = 0.;
EvalWell water_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
const int water_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::waterCompIdx);
water_fraction = phase_fractions[water_pos];
water_viscosity = phase_viscosities[water_pos];
water_density = phase_densities[water_pos];
}
EvalWell oil_fraction = 0.;
EvalWell oil_viscosity = 0.;
EvalWell oil_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx)) {
const int oil_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::oilCompIdx);
oil_fraction = phase_fractions[oil_pos];
oil_viscosity = phase_viscosities[oil_pos];
oil_density = phase_densities[oil_pos];
}
EvalWell gas_fraction = 0.;
EvalWell gas_viscosity = 0.;
EvalWell gas_density = 0.;
if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
const int gas_pos = Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx);
gas_fraction = phase_fractions[gas_pos];
gas_viscosity = phase_viscosities[gas_pos];
gas_density = phase_densities[gas_pos];
}
EvalWell density = densities_[seg_upwind];
// WARNING
// We disregard the derivatives from the upwind density to make sure derivatives
// wrt. to different segments dont get mixed.
if (seg != seg_upwind) {
water_fraction.clearDerivatives();
water_viscosity.clearDerivatives();
water_density.clearDerivatives();
oil_fraction.clearDerivatives();
oil_viscosity.clearDerivatives();
oil_density.clearDerivatives();
gas_fraction.clearDerivatives();
gas_viscosity.clearDerivatives();
gas_density.clearDerivatives();
density.clearDerivatives();
}
using MathTool = MathToolbox<EvalWell>;
const EvalWell mixture_viscosity = MathTool::pow(water_fraction, aicd.waterViscExponent()) * water_viscosity
+ MathTool::pow(oil_fraction, aicd.oilViscExponent()) * oil_viscosity
+ MathTool::pow(gas_fraction, aicd.gasViscExponent()) * gas_viscosity;
const EvalWell mixture_density = MathTool::pow(water_fraction, aicd.waterDensityExponent()) * water_density
+ MathTool::pow(oil_fraction, aicd.oilDensityExponent()) * oil_density
+ MathTool::pow(gas_fraction, aicd.gasDensityExponent()) * gas_density;
const double rho_reference = aicd.densityCalibration();
const double visc_reference = aicd.viscosityCalibration();
const auto volume_rate_icd = mass_rates_[seg] * aicd.scalingFactor() / mixture_density;
const double sign = volume_rate_icd <= 0. ? 1.0 : -1.0;
// convert 1 unit volume rate
using M = UnitSystem::measure;
const double unit_volume_rate = unit_system.to_si(M::geometric_volume_rate, 1.);
// TODO: we did not consider the maximum allowed rate here
const auto result = sign / rho_reference * mixture_density * mixture_density
* MathTool::pow(visc_reference/mixture_viscosity, aicd.viscExponent())
* aicd.strength() * MathTool::pow( -sign * volume_rate_icd, aicd.flowRateExponent())
* std::pow(unit_volume_rate, (2. - aicd.flowRateExponent())) ;
return result;
}
#define INSTANCE(...) \
template class MultisegmentWellSegments<BlackOilFluidSystem<double,BlackOilDefaultIndexTraits>,__VA_ARGS__,double>;

5
opm/simulators/wells/MultisegmentWellSegments.hpp
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@ -29,6 +29,7 @@
namespace Opm
{
class UnitSystem;
class WellInterfaceGeneric;
template<typename FluidSystem, typename Indices, typename Scalar>
@ -60,6 +61,10 @@ public:
// pressure drop for Spiral ICD segment (WSEGSICD)
EvalWell pressureDropSpiralICD(const int seg) const;
// pressure drop for Autonomous ICD segment (WSEGAICD)
EvalWell pressureDropAutoICD(const int seg,
const UnitSystem& unit_system) const;
// TODO: trying to use the information from the Well opm-parser as much
// as possible, it will possibly be re-implemented later for efficiency reason.