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Move adjustment of water mobility caused by polymer to getMobility()

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This commit is contained in:
Tor Harald Sandve 2017-06-23 08:22:30 +02:00
parent 17ada607eb
commit 8088347c96
2 changed files with 49 additions and 44 deletions
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1
opm/autodiff/StandardWellsDense.hpp
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@ -151,6 +151,7 @@ enum WellVariablePositions {
void
getMobility(const Simulator& ebosSimulator,
const int w,
const int perf,
const int cell_idx,
std::vector<EvalWell>& mob) const;

92
opm/autodiff/StandardWellsDense_impl.hpp
View File

@ -204,50 +204,9 @@ namespace Opm {
const auto& intQuants = *(ebosSimulator.model().cachedIntensiveQuantities(cell_idx, /*timeIdx=*/0));
std::vector<EvalWell> cq_s(numComp,0.0);
std::vector<EvalWell> mob(numComp, 0.0);
getMobility(ebosSimulator, perf, cell_idx, mob);
if (has_polymer_) {
// assume fully mixture for wells.
EvalWell polymerConcentration = extendEval(intQuants.polymerConcentration());
if (wells().type[w] == INJECTOR) {
const auto& viscosityMultiplier = PolymerModule::plyviscViscosityMultiplierTable(intQuants.pvtRegionIndex());
mob[ Water ] /= (extendEval(intQuants.waterViscosityCorrection()) * viscosityMultiplier.eval(polymerConcentration, /*extrapolate=*/true) );
}
}
getMobility(ebosSimulator, w, perf, cell_idx, mob);
computeWellFlux(w, wells().WI[perf], intQuants, mob, bhp, wellPerforationPressureDiffs()[perf], allow_cf, cq_s);
if (has_polymer_) {
if (PolymerModule::hasPlyshlog()) {
// compute the well water velocity based on the perforation rates.
double area = 2 * M_PI * wells_rep_radius_[perf] * wells_perf_length_[perf];
const auto& materialLawManager = ebosSimulator.problem().materialLawManager();
const auto& scaledDrainageInfo =
materialLawManager->oilWaterScaledEpsInfoDrainage(cell_idx);
const Scalar& Swcr = scaledDrainageInfo.Swcr;
const EvalWell poro = extendEval(intQuants.porosity());
const EvalWell Sw = extendEval(intQuants.fluidState().saturation(flowPhaseToEbosPhaseIdx(Water)));
// guard against zero porosity and no water
const EvalWell denom = Opm::max( (area * poro * (Sw - Swcr)), 1e-12);
EvalWell waterVelocity = cq_s[ Water ] / denom * extendEval(intQuants.fluidState().invB(flowPhaseToEbosPhaseIdx(Water)));
if (PolymerModule::hasShrate()) {
// TODO Use the same conversion as for the reservoar equations.
// Need the "permeability" of the well?
// For now use the same formula as in legacy.
waterVelocity *= PolymerModule::shrate( intQuants.pvtRegionIndex() ) / wells_bore_diameter_[perf];
}
EvalWell polymerConcentration = extendEval(intQuants.polymerConcentration());
EvalWell shearFactor = PolymerModule::computeShearFactor(polymerConcentration,
intQuants.pvtRegionIndex(),
waterVelocity);
// modify the mobility with the shear factor and recompute the well fluxes.
mob[ Water ] /= shearFactor;
computeWellFlux(w, wells().WI[perf], intQuants, mob, bhp, wellPerforationPressureDiffs()[perf], allow_cf, cq_s);
}
}
for (int componentIdx = 0; componentIdx < numComp; ++componentIdx) {
// the cq_s entering mass balance equations need to consider the efficiency factors.
@ -309,7 +268,7 @@ namespace Opm {
template<typename TypeTag>
void
StandardWellsDense<TypeTag >::
getMobility(const Simulator& ebosSimulator, const int perf, const int cell_idx, std::vector<EvalWell>& mob) const
getMobility(const Simulator& ebosSimulator, const int w, const int perf, const int cell_idx, std::vector<EvalWell>& mob) const
{
const int np = wells().number_of_phases;
@ -350,6 +309,51 @@ namespace Opm {
OPM_THROW(std::runtime_error, "individual mobility for wells does not work in combination with solvent");
}
}
// modify the water mobility if polymer is present
if (has_polymer_) {
// assume fully mixture for wells.
EvalWell polymerConcentration = extendEval(intQuants.polymerConcentration());
if (wells().type[w] == INJECTOR) {
const auto& viscosityMultiplier = PolymerModule::plyviscViscosityMultiplierTable(intQuants.pvtRegionIndex());
mob[ Water ] /= (extendEval(intQuants.waterViscosityCorrection()) * viscosityMultiplier.eval(polymerConcentration, /*extrapolate=*/true) );
}
if (PolymerModule::hasPlyshlog()) {
// compute the well water velocity with out shear effects.
const int numComp = numComponents();
bool allow_cf = allow_cross_flow(w, ebosSimulator);
const EvalWell& bhp = getBhp(w);
std::vector<EvalWell> cq_s(numComp,0.0);
computeWellFlux(w, wells().WI[perf], intQuants, mob, bhp, wellPerforationPressureDiffs()[perf], allow_cf, cq_s);
double area = 2 * M_PI * wells_rep_radius_[perf] * wells_perf_length_[perf];
const auto& materialLawManager = ebosSimulator.problem().materialLawManager();
const auto& scaledDrainageInfo =
materialLawManager->oilWaterScaledEpsInfoDrainage(cell_idx);
const Scalar& Swcr = scaledDrainageInfo.Swcr;
const EvalWell poro = extendEval(intQuants.porosity());
const EvalWell Sw = extendEval(intQuants.fluidState().saturation(flowPhaseToEbosPhaseIdx(Water)));
// guard against zero porosity and no water
const EvalWell denom = Opm::max( (area * poro * (Sw - Swcr)), 1e-12);
EvalWell waterVelocity = cq_s[ Water ] / denom * extendEval(intQuants.fluidState().invB(flowPhaseToEbosPhaseIdx(Water)));
if (PolymerModule::hasShrate()) {
// TODO Use the same conversion as for the reservoar equations.
// Need the "permeability" of the well?
// For now use the same formula as in legacy.
waterVelocity *= PolymerModule::shrate( intQuants.pvtRegionIndex() ) / wells_bore_diameter_[perf];
}
EvalWell polymerConcentration = extendEval(intQuants.polymerConcentration());
EvalWell shearFactor = PolymerModule::computeShearFactor(polymerConcentration,
intQuants.pvtRegionIndex(),
waterVelocity);
// modify the mobility with the shear factor and recompute the well fluxes.
mob[ Water ] /= shearFactor;
}
}
}
@ -2844,7 +2848,7 @@ namespace Opm {
// flux for each perforation
std::vector<EvalWell> cq_s(numComp, 0.0);
std::vector<EvalWell> mob(numComp, 0.0);
getMobility(ebosSimulator, perf, cell_index, mob);
getMobility(ebosSimulator, well_index, perf, cell_index, mob);
computeWellFlux(well_index, wells().WI[perf], intQuants, mob, bhp,
wellPerforationPressureDiffs()[perf], allow_cf, cq_s);