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411 lines
18 KiB
C++
411 lines
18 KiB
C++
/*
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Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
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Copyright 2017 Statoil ASA.
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Copyright 2016 - 2017 IRIS AS.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <opm/simulators/wells/MultisegmentWellAssemble.hpp>
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/material/fluidsystems/BlackOilFluidSystem.hpp>
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#include <opm/models/blackoil/blackoilindices.hh>
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#include <opm/models/blackoil/blackoilonephaseindices.hh>
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#include <opm/models/blackoil/blackoiltwophaseindices.hh>
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#include <opm/simulators/wells/MultisegmentWellEquations.hpp>
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#include <opm/simulators/wells/MultisegmentWellPrimaryVariables.hpp>
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#include <opm/simulators/wells/WellAssemble.hpp>
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#include <opm/simulators/wells/WellBhpThpCalculator.hpp>
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#include <opm/simulators/wells/WellHelpers.hpp>
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#include <opm/simulators/wells/WellInterfaceIndices.hpp>
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#include <opm/simulators/wells/WellState.hpp>
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namespace Opm {
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//! \brief Class administering assembler access to equation system.
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template<class Scalar, int numWellEq, int numEq>
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class MultisegmentWellEquationAccess {
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public:
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//! \brief Constructor initializes reference to the equation system.
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MultisegmentWellEquationAccess(MultisegmentWellEquations<Scalar,numWellEq,numEq>& eqns)
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: eqns_(eqns)
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{}
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using BVectorWell = typename MultisegmentWellEquations<Scalar,numWellEq,numEq>::BVectorWell;
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using DiagMatWell = typename MultisegmentWellEquations<Scalar,numWellEq,numEq>::DiagMatWell;
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using OffDiatMatWell = typename MultisegmentWellEquations<Scalar,numWellEq,numEq>::OffDiagMatWell;
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//! \brief Returns a reference to residual vector.
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BVectorWell& residual()
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{
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return eqns_.resWell_;
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}
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//! \brief Returns a reference to B matrix.
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OffDiatMatWell& B()
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{
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return eqns_.duneB_;
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}
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//! \brief Returns a reference to C matrix.
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OffDiatMatWell& C()
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{
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return eqns_.duneC_;
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}
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//! \brief Returns a reference to D matrix.
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DiagMatWell& D()
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{
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return eqns_.duneD_;
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}
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private:
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MultisegmentWellEquations<Scalar,numWellEq,numEq>& eqns_; //!< Reference to equation system
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};
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleControlEq(const WellState<Scalar>& well_state,
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const GroupState<Scalar>& group_state,
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const Schedule& schedule,
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const SummaryState& summaryState,
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const Well::InjectionControls& inj_controls,
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const Well::ProductionControls& prod_controls,
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const double rho,
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const PrimaryVariables& primary_variables,
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Equations& eqns1,
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DeferredLogger& deferred_logger) const
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{
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static constexpr int Gas = BlackoilPhases::Vapour;
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static constexpr int Oil = BlackoilPhases::Liquid;
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static constexpr int Water = BlackoilPhases::Aqua;
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EvalWell control_eq(0.0);
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const auto& well = well_.wellEcl();
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auto getRates = [&]() {
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std::vector<EvalWell> rates(3, 0.0);
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if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
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rates[Water] = primary_variables.getQs(Indices::canonicalToActiveComponentIndex(FluidSystem::waterCompIdx));
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}
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if (FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx)) {
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rates[Oil] = primary_variables.getQs(Indices::canonicalToActiveComponentIndex(FluidSystem::oilCompIdx));
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}
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if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
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rates[Gas] = primary_variables.getQs(Indices::canonicalToActiveComponentIndex(FluidSystem::gasCompIdx));
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}
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return rates;
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};
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if (well_.stopppedOrZeroRateTarget(summaryState, well_state)) {
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control_eq = primary_variables.getWQTotal();
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} else if (well_.isInjector() ) {
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// Find scaling factor to get injection rate,
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const InjectorType injectorType = inj_controls.injector_type;
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double scaling;
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const auto& pu = well_.phaseUsage();
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switch (injectorType) {
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case InjectorType::WATER:
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{
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scaling = well_.scalingFactor(pu.phase_pos[BlackoilPhases::Aqua]);
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break;
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}
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case InjectorType::OIL:
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{
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scaling = well_.scalingFactor(pu.phase_pos[BlackoilPhases::Liquid]);
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break;
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}
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case InjectorType::GAS:
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{
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scaling = well_.scalingFactor(pu.phase_pos[BlackoilPhases::Vapour]);
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break;
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}
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default:
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throw("Expected WATER, OIL or GAS as type for injectors " + well.name());
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}
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const EvalWell injection_rate = primary_variables.getWQTotal() / scaling;
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// Setup function for evaluation of BHP from THP (used only if needed).
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std::function<EvalWell()> bhp_from_thp = [&]() {
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const auto rates = getRates();
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return WellBhpThpCalculator(well_).calculateBhpFromThp(well_state,
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rates,
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well,
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summaryState,
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rho,
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deferred_logger);
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};
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// Call generic implementation.
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WellAssemble(well_).assembleControlEqInj(well_state,
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group_state,
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schedule,
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summaryState,
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inj_controls,
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primary_variables.getBhp(),
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injection_rate,
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bhp_from_thp,
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control_eq,
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deferred_logger);
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} else {
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// Find rates.
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const auto rates = getRates();
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// Setup function for evaluation of BHP from THP (used only if needed).
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std::function<EvalWell()> bhp_from_thp = [&]() {
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return WellBhpThpCalculator(well_).calculateBhpFromThp(well_state,
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rates,
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well,
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summaryState,
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rho,
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deferred_logger);
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};
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// Call generic implementation.
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WellAssemble(well_).assembleControlEqProd(well_state,
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group_state,
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schedule,
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summaryState,
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prod_controls,
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primary_variables.getBhp(),
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rates,
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bhp_from_thp,
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control_eq,
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deferred_logger);
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}
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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// using control_eq to update the matrix and residuals
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eqns.residual()[0][SPres] = control_eq.value();
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for (int pv_idx = 0; pv_idx < numWellEq; ++pv_idx) {
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eqns.D()[0][0][SPres][pv_idx] = control_eq.derivative(pv_idx + Indices::numEq);
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}
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleAccelerationTerm(const int seg_target,
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const int seg,
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const int seg_upwind,
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const EvalWell& accelerationTerm,
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Equations& eqns1) const
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{ // seg_target: segment for which we are assembling the acc term
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// seg: segment for wich we have computed the term
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// seg_upwind: upwind segment to seg
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// acceleration term shold be
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// * velocity head for seg_target if seg = seg_target
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// * negative velocity head for seg if seg != seg_target
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg_target][SPres] -= accelerationTerm.value();
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eqns.D()[seg_target][seg][SPres][SPres] -= accelerationTerm.derivative(SPres + Indices::numEq);
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eqns.D()[seg_target][seg][SPres][WQTotal] -= accelerationTerm.derivative(WQTotal + Indices::numEq);
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if constexpr (has_wfrac_variable) {
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eqns.D()[seg_target][seg_upwind][SPres][WFrac] -= accelerationTerm.derivative(WFrac + Indices::numEq);
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}
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if constexpr (has_gfrac_variable) {
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eqns.D()[seg_target][seg_upwind][SPres][GFrac] -= accelerationTerm.derivative(GFrac + Indices::numEq);
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}
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleHydroPressureLoss(const int seg,
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const int seg_density,
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const EvalWell& hydro_pressure_drop_seg,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][SPres] -= hydro_pressure_drop_seg.value();
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for (int pv_idx = 0; pv_idx < numWellEq; ++pv_idx) {
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eqns.D()[seg][seg_density][SPres][pv_idx] -= hydro_pressure_drop_seg.derivative(pv_idx + Indices::numEq);
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}
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assemblePressureEqExtraDerivatives(const int seg,
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const int seg_upwind,
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const EvalWell& extra_derivatives,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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// disregard residual
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// Frac - derivatives are zero (they belong to upwind^2)
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eqns.D()[seg][seg_upwind][SPres][SPres] += extra_derivatives.derivative(SPres + Indices::numEq);
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eqns.D()[seg][seg_upwind][SPres][WQTotal] += extra_derivatives.derivative(WQTotal + Indices::numEq);
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assemblePressureEq(const int seg,
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const int seg_upwind,
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const int outlet_segment_index,
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const EvalWell& pressure_equation,
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const EvalWell& outlet_pressure,
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Equations& eqns1,
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bool wfrac,
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bool gfrac) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][SPres] += pressure_equation.value();
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eqns.D()[seg][seg][SPres][SPres] += pressure_equation.derivative(SPres + Indices::numEq);
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eqns.D()[seg][seg][SPres][WQTotal] += pressure_equation.derivative(WQTotal + Indices::numEq);
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if (wfrac) {
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eqns.D()[seg][seg_upwind][SPres][WFrac] += pressure_equation.derivative(WFrac + Indices::numEq);
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}
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if (gfrac) {
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eqns.D()[seg][seg_upwind][SPres][GFrac] += pressure_equation.derivative(GFrac + Indices::numEq);
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}
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// contribution from the outlet segment
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eqns.residual()[seg][SPres] -= outlet_pressure.value();
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for (int pv_idx = 0; pv_idx < numWellEq; ++pv_idx) {
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eqns.D()[seg][outlet_segment_index][SPres][pv_idx] -= outlet_pressure.derivative(pv_idx + Indices::numEq);
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}
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleTrivialEq(const int seg,
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const Scalar value,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][SPres] = value;
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eqns.D()[seg][seg][SPres][WQTotal] = 1.;
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleAccumulationTerm(const int seg,
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const int comp_idx,
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const EvalWell& accumulation_term,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][comp_idx] += accumulation_term.value();
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for (int pv_idx = 0; pv_idx < numWellEq; ++pv_idx) {
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eqns.D()[seg][seg][comp_idx][pv_idx] += accumulation_term.derivative(pv_idx + Indices::numEq);
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}
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleOutflowTerm(const int seg,
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const int seg_upwind,
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const int comp_idx,
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const EvalWell& segment_rate,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][comp_idx] -= segment_rate.value();
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eqns.D()[seg][seg][comp_idx][WQTotal] -= segment_rate.derivative(WQTotal + Indices::numEq);
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if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
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eqns.D()[seg][seg_upwind][comp_idx][WFrac] -= segment_rate.derivative(WFrac + Indices::numEq);
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}
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if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
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eqns.D()[seg][seg_upwind][comp_idx][GFrac] -= segment_rate.derivative(GFrac + Indices::numEq);
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}
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// pressure derivative should be zero
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assembleInflowTerm(const int seg,
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const int inlet,
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const int inlet_upwind,
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const int comp_idx,
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const EvalWell& inlet_rate,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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eqns.residual()[seg][comp_idx] += inlet_rate.value();
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eqns.D()[seg][inlet][comp_idx][WQTotal] += inlet_rate.derivative(WQTotal + Indices::numEq);
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if (FluidSystem::phaseIsActive(FluidSystem::waterPhaseIdx)) {
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eqns.D()[seg][inlet_upwind][comp_idx][WFrac] += inlet_rate.derivative(WFrac + Indices::numEq);
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}
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if (FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx)) {
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eqns.D()[seg][inlet_upwind][comp_idx][GFrac] += inlet_rate.derivative(GFrac + Indices::numEq);
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}
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// pressure derivative should be zero
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}
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template<class FluidSystem, class Indices>
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void MultisegmentWellAssemble<FluidSystem,Indices>::
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assemblePerforationEq(const int seg,
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const int cell_idx,
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const int comp_idx,
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const EvalWell& cq_s_effective,
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Equations& eqns1) const
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{
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MultisegmentWellEquationAccess<Scalar,numWellEq,Indices::numEq> eqns(eqns1);
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// subtract sum of phase fluxes in the well equations.
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eqns.residual()[seg][comp_idx] += cq_s_effective.value();
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// assemble the jacobians
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for (int pv_idx = 0; pv_idx < numWellEq; ++pv_idx) {
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// also need to consider the efficiency factor when manipulating the jacobians.
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eqns.C()[seg][cell_idx][pv_idx][comp_idx] -= cq_s_effective.derivative(pv_idx + Indices::numEq); // input in transformed matrix
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// the index name for the D should be eq_idx / pv_idx
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eqns.D()[seg][seg][comp_idx][pv_idx] += cq_s_effective.derivative(pv_idx + Indices::numEq);
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}
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for (int pv_idx = 0; pv_idx < Indices::numEq; ++pv_idx) {
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// also need to consider the efficiency factor when manipulating the jacobians.
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eqns.B()[seg][cell_idx][comp_idx][pv_idx] += cq_s_effective.derivative(pv_idx);
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}
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}
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#define INSTANCE(...) \
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template class MultisegmentWellAssemble<BlackOilFluidSystem<double,BlackOilDefaultIndexTraits>,__VA_ARGS__>;
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// One phase
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INSTANCE(BlackOilOnePhaseIndices<0u,0u,0u,0u,false,false,0u,1u,0u>)
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INSTANCE(BlackOilOnePhaseIndices<0u,0u,0u,1u,false,false,0u,1u,0u>)
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INSTANCE(BlackOilOnePhaseIndices<0u,0u,0u,0u,false,false,0u,1u,5u>)
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// Two phase
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,0u,false,false,0u,0u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,0u,false,false,0u,2u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,1u,0u,false,false,0u,2u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,2u,0u,false,false,0u,2u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,0u,false,true,0u,2u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,0u,false,true,0u,0u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,0u,false,false,0u,1u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,1u,false,false,0u,1u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,1u,false,false,0u,0u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<0u,0u,0u,1u,false,true,0u,0u,0u>)
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INSTANCE(BlackOilTwoPhaseIndices<1u,0u,0u,0u,false,false,0u,0u,0u>)
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// Blackoil
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INSTANCE(BlackOilIndices<0u,0u,0u,0u,false,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,0u,false,false,1u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,0u,true,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,0u,false,true,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,0u,false,true,2u,0u>)
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INSTANCE(BlackOilIndices<1u,0u,0u,0u,false,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,1u,0u,0u,false,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,1u,0u,false,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,1u,false,false,0u,0u>)
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INSTANCE(BlackOilIndices<0u,0u,0u,1u,false,true,0u,0u>)
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INSTANCE(BlackOilIndices<1u,0u,0u,0u,true,false,0u,0u>)
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}
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