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https://github.com/OPM/opm-simulators.git
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5854b8a7a1
- adapt to interface change in waterPvt() - add gas + water + disgasw simulator Note - MSW is not supported - EQUIL initialization is not supported
425 lines
16 KiB
C++
425 lines
16 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 2017 IRIS
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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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#ifndef OPM_AQUIFERANALYTICAL_HEADER_INCLUDED
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#define OPM_AQUIFERANALYTICAL_HEADER_INCLUDED
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#include <opm/simulators/aquifers/AquiferInterface.hpp>
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#include <opm/common/utility/numeric/linearInterpolation.hpp>
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#include <opm/input/eclipse/EclipseState/Aquifer/Aquancon.hpp>
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#include <opm/output/data/Aquifer.hpp>
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#include <opm/simulators/utils/DeferredLoggingErrorHelpers.hpp>
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#include <opm/material/common/MathToolbox.hpp>
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#include <opm/material/densead/Evaluation.hpp>
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#include <opm/material/densead/Math.hpp>
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#include <opm/material/fluidstates/BlackOilFluidState.hpp>
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#include <algorithm>
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#include <cmath>
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#include <cstddef>
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#include <limits>
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#include <numeric>
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#include <unordered_map>
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#include <vector>
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namespace Opm
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{
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template <typename TypeTag>
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class AquiferAnalytical : public AquiferInterface<TypeTag>
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{
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public:
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using Simulator = GetPropType<TypeTag, Properties::Simulator>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using BlackoilIndices = GetPropType<TypeTag, Properties::Indices>;
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using RateVector = GetPropType<TypeTag, Properties::RateVector>;
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using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
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using ElementMapper = GetPropType<TypeTag, Properties::ElementMapper>;
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enum { enableTemperature = getPropValue<TypeTag, Properties::EnableTemperature>() };
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enum { enableEnergy = getPropValue<TypeTag, Properties::EnableEnergy>() };
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enum { enableBrine = getPropValue<TypeTag, Properties::EnableBrine>() };
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enum { enableEvaporation = getPropValue<TypeTag, Properties::EnableEvaporation>() };
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enum { has_disgas_in_water = getPropValue<TypeTag, Properties::EnableDisgasInWater>() };
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enum { enableSaltPrecipitation = getPropValue<TypeTag, Properties::EnableSaltPrecipitation>() };
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static constexpr int numEq = BlackoilIndices::numEq;
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using Scalar = double;
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using Eval = DenseAd::Evaluation<double, /*size=*/numEq>;
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using FluidState = BlackOilFluidState<Eval,
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FluidSystem,
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enableTemperature,
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enableEnergy,
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BlackoilIndices::gasEnabled,
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enableEvaporation,
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enableBrine,
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enableSaltPrecipitation,
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has_disgas_in_water,
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BlackoilIndices::numPhases>;
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// Constructor
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AquiferAnalytical(int aqID,
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const std::vector<Aquancon::AquancCell>& connections,
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const Simulator& ebosSimulator)
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: AquiferInterface<TypeTag>(aqID, ebosSimulator)
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, connections_(connections)
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{
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}
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// Destructor
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virtual ~AquiferAnalytical()
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{
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}
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void initFromRestart(const data::Aquifers& aquiferSoln) override
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{
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auto xaqPos = aquiferSoln.find(this->aquiferID());
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if (xaqPos == aquiferSoln.end())
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return;
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this->assignRestartData(xaqPos->second);
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this->W_flux_ = xaqPos->second.volume;
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this->pa0_ = xaqPos->second.initPressure;
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this->solution_set_from_restart_ = true;
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}
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void initialSolutionApplied() override
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{
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initQuantities();
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}
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void beginTimeStep() override
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{
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ElementContext elemCtx(this->ebos_simulator_);
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OPM_BEGIN_PARALLEL_TRY_CATCH();
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for (const auto& elem : elements(this->ebos_simulator_.gridView())) {
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elemCtx.updatePrimaryStencil(elem);
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const int cellIdx = elemCtx.globalSpaceIndex(0, 0);
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const int idx = cellToConnectionIdx_[cellIdx];
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if (idx < 0)
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continue;
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elemCtx.updateIntensiveQuantities(0);
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const auto& iq = elemCtx.intensiveQuantities(0, 0);
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pressure_previous_[idx] = getValue(iq.fluidState().pressure(this->phaseIdx_()));
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}
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OPM_END_PARALLEL_TRY_CATCH("AquiferAnalytical::beginTimeStep() failed: ",
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this->ebos_simulator_.vanguard().grid().comm());
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}
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void addToSource(RateVector& rates,
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const unsigned cellIdx,
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const unsigned timeIdx) override
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{
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const auto& model = this->ebos_simulator_.model();
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const int idx = this->cellToConnectionIdx_[cellIdx];
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if (idx < 0)
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return;
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const auto* intQuantsPtr = model.cachedIntensiveQuantities(cellIdx, timeIdx);
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if (intQuantsPtr == nullptr) {
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throw std::logic_error("Invalid intensive quantities cache detected in AquiferAnalytical::addToSource()");
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}
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// This is the pressure at td + dt
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this->updateCellPressure(this->pressure_current_, idx, *intQuantsPtr);
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this->calculateInflowRate(idx, this->ebos_simulator_);
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rates[BlackoilIndices::conti0EqIdx + compIdx_()]
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+= this->Qai_[idx] / model.dofTotalVolume(cellIdx);
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if constexpr (enableEnergy) {
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auto fs = intQuantsPtr->fluidState();
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if (this->Ta0_.has_value() && this->Qai_[idx] > 0)
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{
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fs.setTemperature(this->Ta0_.value());
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typedef typename std::decay<decltype(fs)>::type::Scalar FsScalar;
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typename FluidSystem::template ParameterCache<FsScalar> paramCache;
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const unsigned pvtRegionIdx = intQuantsPtr->pvtRegionIndex();
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paramCache.setRegionIndex(pvtRegionIdx);
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paramCache.setMaxOilSat(this->ebos_simulator_.problem().maxOilSaturation(cellIdx));
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paramCache.updatePhase(fs, this->phaseIdx_());
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const auto& h = FluidSystem::enthalpy(fs, paramCache, this->phaseIdx_());
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fs.setEnthalpy(this->phaseIdx_(), h);
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}
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rates[BlackoilIndices::contiEnergyEqIdx]
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+= this->Qai_[idx] *fs.enthalpy(this->phaseIdx_()) * FluidSystem::referenceDensity( this->phaseIdx_(), intQuantsPtr->pvtRegionIndex()) / model.dofTotalVolume(cellIdx);
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}
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}
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std::size_t size() const
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{
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return this->connections_.size();
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}
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protected:
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virtual void assignRestartData(const data::AquiferData& xaq) = 0;
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virtual void calculateInflowRate(int idx, const Simulator& simulator) = 0;
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virtual void calculateAquiferCondition() = 0;
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virtual void calculateAquiferConstants() = 0;
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virtual Scalar aquiferDepth() const = 0;
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Scalar gravity_() const
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{
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return this->ebos_simulator_.problem().gravity()[2];
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}
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int compIdx_() const
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{
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if (this->co2store_())
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return FluidSystem::oilCompIdx;
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return FluidSystem::waterCompIdx;
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}
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void initQuantities()
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{
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// We reset the cumulative flux at the start of any simulation, so, W_flux = 0
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if (!this->solution_set_from_restart_) {
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W_flux_ = Scalar{0};
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}
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// We next get our connections to the aquifer and initialize these quantities using the initialize_connections
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// function
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initializeConnections();
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calculateAquiferCondition();
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calculateAquiferConstants();
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pressure_previous_.resize(this->connections_.size(), Scalar{0});
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pressure_current_.resize(this->connections_.size(), Scalar{0});
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Qai_.resize(this->connections_.size(), Scalar{0});
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}
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void updateCellPressure(std::vector<Eval>& pressure_water,
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const int idx,
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const IntensiveQuantities& intQuants)
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{
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const auto& fs = intQuants.fluidState();
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pressure_water.at(idx) = fs.pressure(this->phaseIdx_());
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}
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void updateCellPressure(std::vector<Scalar>& pressure_water,
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const int idx,
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const IntensiveQuantities& intQuants)
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{
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const auto& fs = intQuants.fluidState();
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pressure_water.at(idx) = fs.pressure(this->phaseIdx_()).value();
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}
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void initializeConnections()
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{
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this->cell_depth_.resize(this->size(), this->aquiferDepth());
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this->alphai_.resize(this->size(), 1.0);
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this->faceArea_connected_.resize(this->size(), Scalar{0});
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// Translate the C face tag into the enum used by opm-parser's TransMult class
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FaceDir::DirEnum faceDirection;
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bool has_active_connection_on_proc = false;
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// denom_face_areas is the sum of the areas connected to an aquifer
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Scalar denom_face_areas{0};
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this->cellToConnectionIdx_.resize(this->ebos_simulator_.gridView().size(/*codim=*/0), -1);
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const auto& gridView = this->ebos_simulator_.vanguard().gridView();
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for (std::size_t idx = 0; idx < this->size(); ++idx) {
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const auto global_index = this->connections_[idx].global_index;
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const int cell_index = this->ebos_simulator_.vanguard().compressedIndex(global_index);
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auto elemIt = gridView.template begin</*codim=*/ 0>();
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if (cell_index > 0)
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std::advance(elemIt, cell_index);
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//the global_index is not part of this grid
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if ( cell_index < 0 || elemIt->partitionType() != Dune::InteriorEntity)
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continue;
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has_active_connection_on_proc = true;
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this->cellToConnectionIdx_[cell_index] = idx;
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this->cell_depth_.at(idx) = this->ebos_simulator_.vanguard().cellCenterDepth(cell_index);
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}
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// get areas for all connections
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ElementMapper elemMapper(gridView, Dune::mcmgElementLayout());
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for (const auto& elem : elements(gridView)) {
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unsigned cell_index = elemMapper.index(elem);
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int idx = this->cellToConnectionIdx_[cell_index];
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// only deal with connections given by the aquifer
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if( idx < 0)
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continue;
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for (const auto& intersection : intersections(gridView, elem)) {
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// only deal with grid boundaries
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if (!intersection.boundary())
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continue;
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int insideFaceIdx = intersection.indexInInside();
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switch (insideFaceIdx) {
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case 0:
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faceDirection = FaceDir::XMinus;
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break;
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case 1:
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faceDirection = FaceDir::XPlus;
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break;
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case 2:
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faceDirection = FaceDir::YMinus;
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break;
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case 3:
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faceDirection = FaceDir::YPlus;
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break;
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case 4:
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faceDirection = FaceDir::ZMinus;
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break;
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case 5:
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faceDirection = FaceDir::ZPlus;
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break;
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default:
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OPM_THROW(std::logic_error,
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"Internal error in initialization of aquifer.");
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}
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if (faceDirection == this->connections_[idx].face_dir) {
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this->faceArea_connected_[idx] = this->connections_[idx].influx_coeff;
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break;
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}
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}
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denom_face_areas += this->faceArea_connected_.at(idx);
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}
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const auto& comm = this->ebos_simulator_.vanguard().grid().comm();
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comm.sum(&denom_face_areas, 1);
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const double eps_sqrt = std::sqrt(std::numeric_limits<double>::epsilon());
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for (std::size_t idx = 0; idx < this->size(); ++idx) {
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// Protect against division by zero NaNs.
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this->alphai_.at(idx) = (denom_face_areas < eps_sqrt)
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? Scalar{0}
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: this->faceArea_connected_.at(idx) / denom_face_areas;
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}
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if (this->solution_set_from_restart_) {
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this->rescaleProducedVolume(has_active_connection_on_proc);
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}
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}
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void rescaleProducedVolume(const bool has_active_connection_on_proc)
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{
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// Needed in parallel restart to approximate influence of aquifer
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// being "owned" by a subset of the parallel processes. If the
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// aquifer is fully owned by a single process--i.e., if all cells
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// connecting to the aquifer are on a single process--then this_area
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// is tot_area on that process and zero elsewhere.
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const auto this_area = has_active_connection_on_proc
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? std::accumulate(this->alphai_.begin(),
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this->alphai_.end(),
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Scalar{0})
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: Scalar{0};
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const auto tot_area = this->ebos_simulator_.vanguard()
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.grid().comm().sum(this_area);
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this->W_flux_ *= this_area / tot_area;
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}
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// This function is for calculating the aquifer properties from equilibrium state with the reservoir
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Scalar calculateReservoirEquilibrium()
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{
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// Since the global_indices are the reservoir index, we just need to extract the fluidstate at those indices
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std::vector<Scalar> pw_aquifer;
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Scalar water_pressure_reservoir;
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ElementContext elemCtx(this->ebos_simulator_);
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const auto& gridView = this->ebos_simulator_.gridView();
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for (const auto& elem : elements(gridView)) {
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elemCtx.updatePrimaryStencil(elem);
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const auto cellIdx = elemCtx.globalSpaceIndex(/*spaceIdx=*/0, /*timeIdx=*/0);
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const auto idx = this->cellToConnectionIdx_[cellIdx];
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if (idx < 0)
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continue;
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elemCtx.updatePrimaryIntensiveQuantities(/*timeIdx=*/0);
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const auto& iq0 = elemCtx.intensiveQuantities(/*spaceIdx=*/0, /*timeIdx=*/0);
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const auto& fs = iq0.fluidState();
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water_pressure_reservoir = fs.pressure(this->phaseIdx_()).value();
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const auto water_density = fs.density(this->phaseIdx_());
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const auto gdz =
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this->gravity_() * (this->cell_depth_[idx] - this->aquiferDepth());
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pw_aquifer.push_back(this->alphai_[idx] *
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(water_pressure_reservoir - water_density.value()*gdz));
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}
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// We take the average of the calculated equilibrium pressures.
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const auto& comm = this->ebos_simulator_.vanguard().grid().comm();
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Scalar vals[2];
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vals[0] = std::accumulate(this->alphai_.begin(), this->alphai_.end(), Scalar{0});
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vals[1] = std::accumulate(pw_aquifer.begin(), pw_aquifer.end(), Scalar{0});
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comm.sum(vals, 2);
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return vals[1] / vals[0];
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}
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const std::vector<Aquancon::AquancCell> connections_;
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// Grid variables
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std::vector<Scalar> faceArea_connected_;
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std::vector<int> cellToConnectionIdx_;
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// Quantities at each grid id
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std::vector<Scalar> cell_depth_;
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std::vector<Scalar> pressure_previous_;
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std::vector<Eval> pressure_current_;
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std::vector<Eval> Qai_;
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std::vector<Scalar> alphai_;
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Scalar Tc_{}; // Time constant
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Scalar pa0_{}; // initial aquifer pressure
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std::optional<Scalar> Ta0_{}; // initial aquifer temperature
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Scalar rhow_{};
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Eval W_flux_;
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bool solution_set_from_restart_ {false};
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};
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} // namespace Opm
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#endif
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