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Restrict convective mass flux by Psi

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Tor Harald Sandve 2024-08-09 10:40:58 +02:00
parent 46462dd845
commit b0d6f9ee92
1 changed files with 7 additions and 2 deletions
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9
opm/models/blackoil/blackoilconvectivemixingmodule.hh
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@ -333,15 +333,20 @@ public:
}
const auto& up = (upIdx == interiorDofIdx) ? intQuantsIn : intQuantsEx;
const auto& rssat_up = (upIdx == interiorDofIdx) ? rssat_in : rssat_ex;
unsigned globalUpIndex = (upIdx == interiorDofIdx) ? globalIndexIn : globalIndexEx;
const auto& Rsup = (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) ?
up.fluidState().Rsw() :
up.fluidState().Rs();
const Evaluation& transMult = up.rockCompTransMultiplier();
const auto& invB = up.fluidState().invB(liquidPhaseIdx);
const auto& visc = up.fluidState().viscosity(liquidPhaseIdx);
// what will be the flux when muliplied with trans_mob
const auto convectiveFlux = -trans*transMult*info.Xhi_[up.pvtRegionIndex()]*invB*pressure_difference_convective_mixing*Rsup/(visc*faceArea);
// We restrict the convective mixing mass flux to rssat * Psi.
const Evaluation RsupRestricted = Opm::min(Rsup, rssat_up*info.Psi_[up.pvtRegionIndex()]);
const auto convectiveFlux = -trans*transMult*info.Xhi_[up.pvtRegionIndex()]*invB*pressure_difference_convective_mixing*RsupRestricted/(visc*faceArea);
unsigned activeGasCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx);
if (globalUpIndex == globalIndexIn)
flux[conti0EqIdx + activeGasCompIdx] += convectiveFlux;