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let the aquifiers be managed by core ebos

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also, clean them up a bit:
- do not use the intensive quantities cache directly anymore. (i.e.,
  that code should now work if the IQ cache is disabled)
- do not fiddle with the global Jacobian matrix and residual vector
  directly. Instead, implement the water fluxes to the reservoir as a
  source term like wells.

one thing that did not become fully clear to me is if each aquifer
ought to be assumed to be in contact with the whole reservoir or just
a few cells on the boundary. The current implementation goes down the
former path, while, without any deeper knowledge, I would rather
suppose that the latter applies. maybe my understanding of this is
just too limited, though.
This commit is contained in:
Andreas Lauser
2018-10-31 15:20:56 +01:00
parent 985b1b17f0
commit 7c81dbdaab
5 changed files with 69 additions and 159 deletions
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opm/autodiff/AquiferCarterTracy.hpp
+29 -36
View File
@@ -45,6 +45,7 @@ namespace Opm
typedef typename GET_PROP_TYPE(TypeTag, Simulator) Simulator;
typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
typedef typename GET_PROP_TYPE(TypeTag, Indices) BlackoilIndices;
typedef typename GET_PROP_TYPE(TypeTag, RateVector) RateVector;
typedef typename GET_PROP_TYPE(TypeTag, IntensiveQuantities) IntensiveQuantities;
enum { enableTemperature = GET_PROP_VALUE(TypeTag, EnableTemperature) };
enum { enableEnergy = GET_PROP_VALUE(TypeTag, EnableEnergy) };
@@ -61,8 +62,8 @@ namespace Opm
AquiferCarterTracy( const AquiferCT::AQUCT_data& aquct_data,
const Aquancon::AquanconOutput& connection,
Simulator& ebosSimulator )
const Aquancon::AquanconOutput& connection,
const Simulator& ebosSimulator )
: ebos_simulator_ (ebosSimulator),
aquct_data_ (aquct_data),
gravity_ (ebos_simulator_.problem().gravity()[2])
@@ -70,56 +71,45 @@ namespace Opm
initQuantities(connection);
}
inline void assembleAquiferEq(const SimulatorTimerInterface& timer)
template <class Context>
void addToSource(RateVector& rates, const Context& context, unsigned spaceIdx, unsigned timeIdx)
{
auto& ebosJac = ebos_simulator_.model().linearizer().matrix();
auto& ebosResid = ebos_simulator_.model().linearizer().residual();
unsigned idx = context.globalSpaceIndex(spaceIdx, timeIdx);
size_t cellID;
for ( size_t idx = 0; idx < cell_idx_.size(); ++idx )
{
Eval qinflow = 0.0;
cellID = cell_idx_.at(idx);
// We are dereferencing the value of IntensiveQuantities because cachedIntensiveQuantities return a const pointer to
// IntensiveQuantities of that particular cell_id
const IntensiveQuantities intQuants = *(ebos_simulator_.model().cachedIntensiveQuantities(cellID, /*timeIdx=*/ 0));
// This is the pressure at td + dt
updateCellPressure(pressure_current_,idx,intQuants);
updateCellDensity(idx,intQuants);
calculateInflowRate(idx, timer);
qinflow = Qai_.at(idx);
ebosResid[cellID][waterCompIdx] -= qinflow.value();
// We are dereferencing the value of IntensiveQuantities because cachedIntensiveQuantities return a const pointer to
// IntensiveQuantities of that particular cell_id
const IntensiveQuantities intQuants = context.intensiveQuantities(spaceIdx, timeIdx);
// This is the pressure at td + dt
updateCellPressure(pressure_current_,idx,intQuants);
updateCellDensity(idx,intQuants);
calculateInflowRate(idx, context.simulator());
for (int pvIdx = 0; pvIdx < numEq; ++pvIdx)
{
// also need to consider the efficiency factor when manipulating the jacobians.
ebosJac[cellID][cellID][waterCompIdx][pvIdx] -= qinflow.derivative(pvIdx);
}
}
rates[BlackoilIndices::conti0EqIdx + FluidSystem::waterCompIdx] -=
Qai_.at(idx)/context.dofVolume(spaceIdx, timeIdx);
}
inline void beforeTimeStep(const SimulatorTimerInterface& timer)
inline void beforeTimeStep(const Simulator& simulator)
{
auto cellID = cell_idx_.begin();
size_t idx;
for ( idx = 0; cellID != cell_idx_.end(); ++cellID, ++idx )
{
const auto& intQuants = *(ebos_simulator_.model().cachedIntensiveQuantities(*cellID, /*timeIdx=*/ 0));
const auto& intQuants = *(simulator.model().cachedIntensiveQuantities(*cellID, /*timeIdx=*/ 0));
updateCellPressure(pressure_previous_ ,idx,intQuants);
}
}
inline void afterTimeStep(const SimulatorTimerInterface& timer)
inline void afterTimeStep(const Simulator& simulator)
{
for (auto Qai = Qai_.begin(); Qai != Qai_.end(); ++Qai)
{
W_flux_ += (*Qai)*timer.currentStepLength();
W_flux_ += (*Qai)*simulator.timeStepSize();
}
}
private:
Simulator& ebos_simulator_;
const Simulator& ebos_simulator_;
// Grid variables
std::vector<size_t> cell_idx_;
@@ -133,6 +123,8 @@ namespace Opm
std::vector<Eval> rhow_;
std::vector<Scalar> alphai_;
std::vector<Eval> aquiferWaterInflux_;
// Variables constants
const AquiferCT::AQUCT_data aquct_data_;
@@ -164,6 +156,7 @@ namespace Opm
calculateAquiferConstants();
aquiferWaterInflux_.resize(cell_idx_.size());
pressure_previous_.resize(cell_idx_.size(), 0.);
pressure_current_.resize(cell_idx_.size(), 0.);
Qai_.resize(cell_idx_.size(), 0.0);
@@ -194,10 +187,10 @@ namespace Opm
}
// This function implements Eqs 5.8 and 5.9 of the EclipseTechnicalDescription
inline void calculateEqnConstants(Scalar& a, Scalar& b, const int idx, const SimulatorTimerInterface& timer)
inline void calculateEqnConstants(Scalar& a, Scalar& b, const int idx, const Simulator& simulator)
{
const Scalar td_plus_dt = (timer.currentStepLength() + timer.simulationTimeElapsed()) / Tc_;
const Scalar td = timer.simulationTimeElapsed() / Tc_;
const Scalar td_plus_dt = (simulator.timeStepSize() + simulator.time()) / Tc_;
const Scalar td = simulator.time() / Tc_;
Scalar PItdprime = 0.;
Scalar PItd = 0.;
getInfluenceTableValues(PItd, PItdprime, td_plus_dt);
@@ -206,10 +199,10 @@ namespace Opm
}
// This function implements Eq 5.7 of the EclipseTechnicalDescription
inline void calculateInflowRate(int idx, const SimulatorTimerInterface& timer)
inline void calculateInflowRate(int idx, const Simulator& simulator)
{
Scalar a, b;
calculateEqnConstants(a,b,idx,timer);
calculateEqnConstants(a,b,idx,simulator);
Qai_.at(idx) = alphai_.at(idx)*( a - b * ( pressure_current_.at(idx) - pressure_previous_.at(idx) ) );
}
@@ -365,4 +358,4 @@ namespace Opm
} // namespace Opm
#endif
#endif