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Solve well equation for the first iteration

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This commit is contained in:
Tor Harald Sandve 2021-01-07 11:20:50 +01:00
parent fbcd230eb2
commit 27bea2fa4f
6 changed files with 35 additions and 8 deletions
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1
ebos/ebos.hh
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@ -207,6 +207,7 @@ public:
EWOMS_HIDE_PARAM(TypeTag, MaxInnerIterWells);
EWOMS_HIDE_PARAM(TypeTag, MaxSinglePrecisionDays);
EWOMS_HIDE_PARAM(TypeTag, MaxStrictIter);
EWOMS_HIDE_PARAM(TypeTag, SolveWelleqInitially);
EWOMS_HIDE_PARAM(TypeTag, UpdateEquationsScaling);
EWOMS_HIDE_PARAM(TypeTag, UseUpdateStabilization);
EWOMS_HIDE_PARAM(TypeTag, MatrixAddWellContributions);

4
flow/flow_ebos_gasoil.cpp
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@ -38,6 +38,10 @@ struct EclFlowGasOilProblem {
using InheritsFrom = std::tuple<EclFlowProblem>;
};
}
template<class TypeTag>
struct EnableDiffusion<TypeTag, TTag::EclFlowGasOilProblem> {
static constexpr bool value = true;
};
//! The indices required by the model
template<class TypeTag>

13
opm/simulators/flow/BlackoilModelParametersEbos.hpp
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@ -84,6 +84,10 @@ struct MaxStrictIter {
using type = UndefinedProperty;
};
template<class TypeTag, class MyTypeTag>
struct SolveWelleqInitially {
using type = UndefinedProperty;
};
template<class TypeTag, class MyTypeTag>
struct UpdateEquationsScaling {
using type = UndefinedProperty;
};
@ -209,6 +213,10 @@ struct MaxStrictIter<TypeTag, TTag::FlowModelParameters> {
static constexpr int value = 0;
};
template<class TypeTag>
struct SolveWelleqInitially<TypeTag, TTag::FlowModelParameters> {
static constexpr bool value = true;
};
template<class TypeTag>
struct UpdateEquationsScaling<TypeTag, TTag::FlowModelParameters> {
static constexpr bool value = false;
};
@ -353,6 +361,9 @@ namespace Opm
/// Maximum number of Newton iterations before we give up on the CNV convergence criterion
int max_strict_iter_;
/// Solve well equation initially
bool solve_welleq_initially_;
/// Update scaling factors for mass balance equations
bool update_equations_scaling_;
@ -398,6 +409,7 @@ namespace Opm
max_inner_iter_wells_ = EWOMS_GET_PARAM(TypeTag, int, MaxInnerIterWells);
maxSinglePrecisionTimeStep_ = EWOMS_GET_PARAM(TypeTag, Scalar, MaxSinglePrecisionDays) *24*60*60;
max_strict_iter_ = EWOMS_GET_PARAM(TypeTag, int, MaxStrictIter);
solve_welleq_initially_ = EWOMS_GET_PARAM(TypeTag, bool, SolveWelleqInitially);
update_equations_scaling_ = EWOMS_GET_PARAM(TypeTag, bool, UpdateEquationsScaling);
use_update_stabilization_ = EWOMS_GET_PARAM(TypeTag, bool, UseUpdateStabilization);
matrix_add_well_contributions_ = EWOMS_GET_PARAM(TypeTag, bool, MatrixAddWellContributions);
@ -432,6 +444,7 @@ namespace Opm
EWOMS_REGISTER_PARAM(TypeTag, Scalar, RegularizationFactorMsw, "Regularization factor for ms wells");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, MaxSinglePrecisionDays, "Maximum time step size where single precision floating point arithmetic can be used solving for the linear systems of equations");
EWOMS_REGISTER_PARAM(TypeTag, int, MaxStrictIter, "Maximum number of Newton iterations before relaxed tolerances are used for the CNV convergence criterion");
EWOMS_REGISTER_PARAM(TypeTag, bool, SolveWelleqInitially, "Fully solve the well equations before each iteration of the reservoir model");
EWOMS_REGISTER_PARAM(TypeTag, bool, UpdateEquationsScaling, "Update scaling factors for mass balance equations during the run");
EWOMS_REGISTER_PARAM(TypeTag, bool, UseUpdateStabilization, "Try to detect and correct oscillations or stagnation during the Newton method");
EWOMS_REGISTER_PARAM(TypeTag, bool, MatrixAddWellContributions, "Explicitly specify the influences of wells between cells in the Jacobian and preconditioner matrices");

13
opm/simulators/wells/BlackoilWellModel_impl.hpp
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@ -409,11 +409,12 @@ namespace Opm {
updateAndCommunicateGroupData();
// Compute initial well solution for new wells
for (auto& well : well_container_) {
const uint64_t effective_events_mask = ScheduleEvents::WELL_STATUS_CHANGE;
const uint64_t effective_events_mask = ScheduleEvents::WELL_STATUS_CHANGE
+ ScheduleEvents::NEW_WELL;
const bool event = report_step_starts_ && schedule().hasWellGroupEvent(well->name(), effective_events_mask, reportStepIdx);
if (event) {
well->calculateExplicitQuantities(ebosSimulator_, well_state_, local_deferredLogger);
well->solveWellToInitialize(ebosSimulator_, well_state_, local_deferredLogger);
well->solveWellEquation(ebosSimulator_, well_state_, local_deferredLogger);
}
}
@ -962,6 +963,14 @@ namespace Opm {
std::vector< Scalar > B_avg(numComponents(), Scalar() );
computeAverageFormationFactor(B_avg);
if (param_.solve_welleq_initially_ && iterationIdx == 0) {
for (auto& well : well_container_) {
well->solveWellEquation(ebosSimulator_, well_state_, local_deferredLogger);
}
updateWellControls(local_deferredLogger, /* check group controls */ true);
}
gliftDebug("assemble() : running assembleWellEq()..", local_deferredLogger);
well_state_.enableGliftOptimization();
assembleWellEq(B_avg, dt, local_deferredLogger);

6
opm/simulators/wells/WellInterface.hpp
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@ -320,9 +320,9 @@ namespace Opm
void setDynamicThpLimit(const double thp_limit);
void solveWellToInitialize(const Simulator& ebosSimulator,
WellState& well_state,
Opm::DeferredLogger& deferred_logger);
void solveWellEquation(const Simulator& ebosSimulator,
WellState& well_state,
Opm::DeferredLogger& deferred_logger);
protected:

6
opm/simulators/wells/WellInterface_impl.hpp
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@ -1388,9 +1388,9 @@ namespace Opm
template<typename TypeTag>
void
WellInterface<TypeTag>::
solveWellToInitialize(const Simulator& ebosSimulator,
WellState& well_state,
Opm::DeferredLogger& deferred_logger)
solveWellEquation(const Simulator& ebosSimulator,
WellState& well_state,
Opm::DeferredLogger& deferred_logger)
{
// keep a copy of the original well state
const WellState well_state0 = well_state;