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added: MultisegmentWellSegments

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this is a container class for per-segment properties in MultisegmentWell
This commit is contained in:
Arne Morten Kvarving
2022-12-19 13:05:07 +01:00
parent fe96a7181d
commit aa684a10b8
6 changed files with 191 additions and 69 deletions
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82
opm/simulators/wells/MultisegmentWellEval.cpp
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@@ -57,13 +57,7 @@ MultisegmentWellEval(WellInterfaceIndices<FluidSystem,Indices,Scalar>& baseif)
, baseif_(baseif)
, linSys_(*this)
, primary_variables_(baseif)
, upwinding_segments_(this->numberOfSegments(), 0)
, segment_densities_(this->numberOfSegments(), 0.0)
, segment_mass_rates_(this->numberOfSegments(), 0.0)
, segment_viscosities_(this->numberOfSegments(), 0.0)
, segment_phase_densities_(this->numberOfSegments(), std::vector<EvalWell>(baseif_.numComponents(), 0.0)) // number of phase here?
, segment_phase_fractions_(this->numberOfSegments(), std::vector<EvalWell>(baseif_.numComponents(), 0.0)) // number of phase here?
, segment_phase_viscosities_(this->numberOfSegments(), std::vector<EvalWell>(baseif_.numComponents(), 0.0)) // number of phase here?
, segments_(this->numberOfSegments(), baseif_.numComponents())
, cell_perforation_depth_diffs_(baseif_.numPerfs(), 0.0)
, cell_perforation_pressure_diffs_(baseif_.numPerfs(), 0.0)
{
@@ -211,7 +205,7 @@ computeSegmentFluidProperties(const EvalWell& temperature,
std::vector<EvalWell> b(baseif_.numComponents(), 0.0);
std::vector<EvalWell> visc(baseif_.numComponents(), 0.0);
std::vector<EvalWell>& phase_densities = segment_phase_densities_[seg];
std::vector<EvalWell>& phase_densities = segments_.phase_densities_[seg];
const EvalWell seg_pressure = primary_variables_.getSegmentPressure(seg);
if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
@@ -300,7 +294,7 @@ computeSegmentFluidProperties(const EvalWell& temperature,
}
}
segment_phase_viscosities_[seg] = visc;
segments_.phase_viscosities_[seg] = visc;
std::vector<EvalWell> mix(mix_s);
if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) && FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
@@ -332,29 +326,29 @@ computeSegmentFluidProperties(const EvalWell& temperature,
volrat += mix[comp_idx] / b[comp_idx];
}
this->segment_viscosities_[seg] = 0.;
this->segments_.viscosities_[seg] = 0.;
// calculate the average viscosity
for (int comp_idx = 0; comp_idx < baseif_.numComponents(); ++comp_idx) {
const EvalWell fraction = mix[comp_idx] / b[comp_idx] / volrat;
// TODO: a little more work needs to be done to handle the negative fractions here
this->segment_phase_fractions_[seg][comp_idx] = fraction; // >= 0.0 ? fraction : 0.0;
this->segment_viscosities_[seg] += visc[comp_idx] * this->segment_phase_fractions_[seg][comp_idx];
this->segments_.phase_fractions_[seg][comp_idx] = fraction; // >= 0.0 ? fraction : 0.0;
this->segments_.viscosities_[seg] += visc[comp_idx] * this->segments_.phase_fractions_[seg][comp_idx];
}
EvalWell density(0.0);
for (int comp_idx = 0; comp_idx < baseif_.numComponents(); ++comp_idx) {
density += surf_dens[comp_idx] * mix_s[comp_idx];
}
this->segment_densities_[seg] = density / volrat;
this->segments_.densities_[seg] = density / volrat;
// calculate the mass rates
segment_mass_rates_[seg] = 0.;
segments_.mass_rates_[seg] = 0.;
for (int comp_idx = 0; comp_idx < baseif_.numComponents(); ++comp_idx) {
const int upwind_seg = upwinding_segments_[seg];
const int upwind_seg = segments_.upwinding_segments_[seg];
const EvalWell rate = primary_variables_.getSegmentRateUpwinding(seg,
upwind_seg,
comp_idx);
this->segment_mass_rates_[seg] += rate * surf_dens[comp_idx];
this->segments_.mass_rates_[seg] += rate * surf_dens[comp_idx];
}
}
}
@@ -364,7 +358,7 @@ typename MultisegmentWellEval<FluidSystem,Indices,Scalar>::EvalWell
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
getHydroPressureLoss(const int seg) const
{
return segment_densities_[seg] * baseif_.gravity() * this->segment_depth_diffs_[seg];
return segments_.densities_[seg] * baseif_.gravity() * this->segment_depth_diffs_[seg];
}
template<typename FluidSystem, typename Indices, typename Scalar>
@@ -372,10 +366,10 @@ typename MultisegmentWellEval<FluidSystem,Indices,Scalar>::EvalWell
MultisegmentWellEval<FluidSystem,Indices,Scalar>::
getFrictionPressureLoss(const int seg) const
{
const EvalWell mass_rate = segment_mass_rates_[seg];
const int seg_upwind = upwinding_segments_[seg];
EvalWell density = segment_densities_[seg_upwind];
EvalWell visc = segment_viscosities_[seg_upwind];
const EvalWell mass_rate = segments_.mass_rates_[seg];
const int seg_upwind = segments_.upwinding_segments_[seg];
EvalWell density = segments_.densities_[seg_upwind];
EvalWell visc = segments_.viscosities_[seg_upwind];
// WARNING
// We disregard the derivatives from the upwind density to make sure derivatives
// wrt. to different segments dont get mixed.
@@ -402,9 +396,9 @@ pressureDropSpiralICD(const int seg) const
{
const SICD& sicd = this->segmentSet()[seg].spiralICD();
const int seg_upwind = upwinding_segments_[seg];
const std::vector<EvalWell>& phase_fractions = segment_phase_fractions_[seg_upwind];
const std::vector<EvalWell>& phase_viscosities = segment_phase_viscosities_[seg_upwind];
const int seg_upwind = segments_.upwinding_segments_[seg];
const std::vector<EvalWell>& phase_fractions = segments_.phase_fractions_[seg_upwind];
const std::vector<EvalWell>& phase_viscosities = segments_.phase_viscosities_[seg_upwind];
EvalWell water_fraction = 0.;
EvalWell water_viscosity = 0.;
@@ -430,7 +424,7 @@ pressureDropSpiralICD(const int seg) const
gas_viscosity = phase_viscosities[gas_pos];
}
EvalWell density = segment_densities_[seg_upwind];
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.
@@ -453,7 +447,7 @@ pressureDropSpiralICD(const int seg) const
const EvalWell mixture_viscosity = liquid_viscosity_fraction + gas_fraction * gas_viscosity;
const EvalWell reservoir_rate = segment_mass_rates_[seg] / density;
const EvalWell reservoir_rate = segments_.mass_rates_[seg] / density;
const EvalWell reservoir_rate_icd = reservoir_rate * sicd.scalingFactor();
@@ -483,10 +477,10 @@ pressureDropAutoICD(const int seg,
{
const AutoICD& aicd = this->segmentSet()[seg].autoICD();
const int seg_upwind = this->upwinding_segments_[seg];
const std::vector<EvalWell>& phase_fractions = this->segment_phase_fractions_[seg_upwind];
const std::vector<EvalWell>& phase_viscosities = this->segment_phase_viscosities_[seg_upwind];
const std::vector<EvalWell>& phase_densities = this->segment_phase_densities_[seg_upwind];
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.;
@@ -518,7 +512,7 @@ pressureDropAutoICD(const int seg,
gas_density = phase_densities[gas_pos];
}
EvalWell density = segment_densities_[seg_upwind];
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.
@@ -546,7 +540,7 @@ pressureDropAutoICD(const int seg,
const double rho_reference = aicd.densityCalibration();
const double visc_reference = aicd.viscosityCalibration();
const auto volume_rate_icd = this->segment_mass_rates_[seg] * aicd.scalingFactor() / mixture_density;
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;
@@ -567,10 +561,10 @@ pressureDropValve(const int seg) const
{
const Valve& valve = this->segmentSet()[seg].valve();
const EvalWell& mass_rate = segment_mass_rates_[seg];
const int seg_upwind = upwinding_segments_[seg];
EvalWell visc = segment_viscosities_[seg_upwind];
EvalWell density = segment_densities_[seg_upwind];
const EvalWell& mass_rate = segments_.mass_rates_[seg];
const int seg_upwind = segments_.upwinding_segments_[seg];
EvalWell visc = segments_.viscosities_[seg_upwind];
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.
@@ -748,9 +742,9 @@ handleAccelerationPressureLoss(const int seg,
WellState& well_state)
{
const double area = this->segmentSet()[seg].crossArea();
const EvalWell mass_rate = segment_mass_rates_[seg];
const int seg_upwind = upwinding_segments_[seg];
EvalWell density = segment_densities_[seg_upwind];
const EvalWell mass_rate = segments_.mass_rates_[seg];
const int seg_upwind = segments_.upwinding_segments_[seg];
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.
@@ -761,16 +755,16 @@ handleAccelerationPressureLoss(const int seg,
EvalWell accelerationPressureLoss = mswellhelpers::velocityHead(area, mass_rate, density);
// handling the velocity head of intlet segments
for (const int inlet : this->segment_inlets_[seg]) {
const int seg_upwind_inlet = upwinding_segments_[inlet];
const int seg_upwind_inlet = segments_.upwinding_segments_[inlet];
const double inlet_area = this->segmentSet()[inlet].crossArea();
EvalWell inlet_density = this->segment_densities_[seg_upwind_inlet];
EvalWell inlet_density = this->segments_.densities_[seg_upwind_inlet];
// WARNING
// We disregard the derivatives from the upwind density to make sure derivatives
// wrt. to different segments dont get mixed.
if (inlet != seg_upwind_inlet) {
inlet_density.clearDerivatives();
}
const EvalWell inlet_mass_rate = segment_mass_rates_[inlet];
const EvalWell inlet_mass_rate = segments_.mass_rates_[inlet];
accelerationPressureLoss -= mswellhelpers::velocityHead(std::max(inlet_area, area), inlet_mass_rate, inlet_density);
}
@@ -817,7 +811,7 @@ assembleDefaultPressureEq(const int seg,
const int outlet_segment_index = this->segmentNumberToIndex(this->segmentSet()[seg].outletSegment());
const EvalWell outlet_pressure = primary_variables_.getSegmentPressure(outlet_segment_index);
const int seg_upwind = upwinding_segments_[seg];
const int seg_upwind = segments_.upwinding_segments_[seg];
MultisegmentWellAssemble<FluidSystem,Indices,Scalar>(baseif_).
assemblePressureEq(seg, seg_upwind, outlet_segment_index,
pressure_equation, outlet_pressure, linSys_);
@@ -880,7 +874,7 @@ assembleICDPressureEq(const int seg,
const int outlet_segment_index = this->segmentNumberToIndex(this->segmentSet()[seg].outletSegment());
const EvalWell outlet_pressure = primary_variables_.getSegmentPressure(outlet_segment_index);
const int seg_upwind = upwinding_segments_[seg];
const int seg_upwind = segments_.upwinding_segments_[seg];
MultisegmentWellAssemble<FluidSystem,Indices,Scalar>(baseif_).
assemblePressureEq(seg, seg_upwind, outlet_segment_index,
pressure_equation, outlet_pressure,