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Refactor computeMassFlux in the SolventModel

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The computeMassFlux in the solventModel is refactored to allow for
modification of relperms for all phases.
This commit is contained in:
Tor Harald Sandve
2015-12-02 13:54:29 +01:00
parent 3d2b7f23c0
commit bbee43ef7a
1 changed files with 38 additions and 24 deletions
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62
opm/autodiff/BlackoilSolventModel_impl.hpp
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@@ -513,26 +513,33 @@ namespace Opm {
const ADB& phasePressure,
const SolutionState& state)
{
Base::computeMassFlux(actph, transi, kr, phasePressure, state);
if (has_solvent_) {
const int canonicalPhaseIdx = canph_[ actph ];
if (canonicalPhaseIdx == Gas) {
if (has_solvent_) {
const int nc = Opm::UgGridHelpers::numCells(grid_);
const int nc = Opm::UgGridHelpers::numCells(grid_);
const Opm::PhaseUsage& pu = fluid_.phaseUsage();
const ADB zero = ADB::constant(V::Zero(nc));
const ADB& ss = state.solvent_saturation;
const ADB& sg = (active_[ Gas ]
? state.saturation[ pu.phase_pos[ Gas ] ]
: zero);
const Opm::PhaseUsage& pu = fluid_.phaseUsage();
const ADB zero = ADB::constant(V::Zero(nc));
const ADB& ss = state.solvent_saturation;
const ADB& sg = (active_[ Gas ]
? state.saturation[ pu.phase_pos[ Gas ] ]
: zero);
Selector<double> zero_selector(ss.value() + sg.value(), Selector<double>::Zero);
ADB F_solvent = zero_selector.select(ss, ss / (ss + sg));
V ones = V::Constant(nc, 1.0);
const int canonicalPhaseIdx = canph_[ actph ];
switch (canonicalPhaseIdx) {
case Gas: {
Selector<double> zero_selector(ss.value() + sg.value(), Selector<double>::Zero);
ADB F_solvent = zero_selector.select(ss, ss / (ss + sg));
V ones = V::Constant(nc, 1.0);
// gas relperm
const ADB krg = solvent_props_.gasRelPermMultiplier( (ones - F_solvent) , cells_) * kr;
// compute gas mobility and flux
Base::computeMassFlux(actph, transi, krg, phasePressure, state);
// compute solvent mobility and flux
const ADB tr_mult = transMult(state.pressure);
const ADB mu = solvent_props_.muSolvent(phasePressure,cells_);
const ADB mu = solvent_props_.muSolvent(phasePressure,cells_);
rq_[solvent_pos_].mob = solvent_props_.solventRelPermMultiplier(F_solvent, cells_) * tr_mult * kr / mu;
@@ -541,18 +548,25 @@ namespace Opm {
rq_[ solvent_pos_ ].dh = ops_.ngrad * phasePressure - geo_.gravity()[2] * (rhoavg_solvent * (ops_.ngrad * geo_.z().matrix()));
UpwindSelector<double> upwind_solvent(grid_, ops_, rq_[solvent_pos_].dh.value());
// Compute solvent flux.
rq_[solvent_pos_].mflux = upwind_solvent.select(rq_[solvent_pos_].b * rq_[solvent_pos_].mob) * (transi * rq_[solvent_pos_].dh);
// Update gas mobility and flux
rq_[actph].mob = solvent_props_.gasRelPermMultiplier( (ones - F_solvent) , cells_) * rq_[actph].mob;
const ADB& b = rq_[ actph ].b;
const ADB& mob = rq_[ actph ].mob;
const ADB& dh = rq_[ actph ].dh;
UpwindSelector<double> upwind_gas(grid_, ops_, dh.value());
rq_[ actph ].mflux = upwind_gas.select(b * mob) * (transi * dh);
break;
}
case Oil: {
Base::computeMassFlux(actph, transi, kr, phasePressure, state);
break;
}
case Water: {
Base::computeMassFlux(actph, transi, kr, phasePressure, state);
break;
}
default:
OPM_THROW(std::runtime_error, "Unknown phase index " << canonicalPhaseIdx);
}
} else {
Base::computeMassFlux(actph, transi, kr, phasePressure, state);
}
}