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284 lines
11 KiB
C++
284 lines
11 KiB
C++
/*
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Copyright 2013, 2015 SINTEF ICT, Applied Mathematics.
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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_BLACKOIMULTISEGMENTLMODEL_IMPL_HEADER_INCLUDED
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#define OPM_BLACKOIMULTISEGMENTLMODEL_IMPL_HEADER_INCLUDED
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#include <opm/autodiff/BlackoilMultiSegmentModel.hpp>
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#include <opm/autodiff/AutoDiffBlock.hpp>
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#include <opm/autodiff/AutoDiffHelpers.hpp>
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#include <opm/autodiff/GridHelpers.hpp>
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#include <opm/autodiff/BlackoilPropsAdInterface.hpp>
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#include <opm/autodiff/GeoProps.hpp>
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#include <opm/autodiff/WellDensitySegmented.hpp>
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#include <opm/autodiff/VFPProperties.hpp>
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#include <opm/autodiff/VFPProdProperties.hpp>
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#include <opm/autodiff/VFPInjProperties.hpp>
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#include <opm/core/grid.h>
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#include <opm/core/linalg/LinearSolverInterface.hpp>
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#include <opm/core/linalg/ParallelIstlInformation.hpp>
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#include <opm/core/props/rock/RockCompressibility.hpp>
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#include <opm/common/ErrorMacros.hpp>
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#include <opm/common/Exceptions.hpp>
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#include <opm/core/utility/Units.hpp>
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#include <opm/core/well_controls.h>
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#include <opm/core/utility/parameters/ParameterGroup.hpp>
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#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
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#include <cassert>
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#include <cmath>
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#include <iostream>
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#include <iomanip>
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#include <limits>
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#include <vector>
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//#include <fstream>
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namespace Opm {
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template <class Grid>
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BlackoilMultiSegmentModel<Grid>::
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BlackoilMultiSegmentModel(const typename Base::ModelParameters& param,
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const Grid& grid ,
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const BlackoilPropsAdInterface& fluid,
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const DerivedGeology& geo ,
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const RockCompressibility* rock_comp_props,
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const MultisegmentWells& well_model,
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const NewtonIterationBlackoilInterface& linsolver,
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Opm::EclipseStateConstPtr eclState,
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const bool has_disgas,
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const bool has_vapoil,
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const bool terminal_output)
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: Base(param, grid, fluid, geo, rock_comp_props, well_model, linsolver,
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eclState, has_disgas, has_vapoil, terminal_output)
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{
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}
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template <class Grid>
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void
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BlackoilMultiSegmentModel<Grid>::
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prepareStep(const SimulatorTimerInterface& timer,
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const ReservoirState& reservoir_state,
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const WellState& well_state)
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{
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const double dt = timer.currentStepLength();
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pvdt_ = geo_.poreVolume() / dt;
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if (active_[Gas]) {
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updatePrimalVariableFromState(reservoir_state);
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}
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const int nw = wellsMultiSegment().size();
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if ( !msWellOps().has_multisegment_wells ) {
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wellModel().segVDt() = V::Zero(nw);
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return;
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}
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const int nseg_total = well_state.numSegments();
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std::vector<double> segment_volume;
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segment_volume.reserve(nseg_total);
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for (int w = 0; w < nw; ++w) {
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WellMultiSegmentConstPtr well = wellsMultiSegment()[w];
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const std::vector<double>& segment_volume_well = well->segmentVolume();
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segment_volume.insert(segment_volume.end(), segment_volume_well.begin(), segment_volume_well.end());
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}
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assert(int(segment_volume.size()) == nseg_total);
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wellModel().segVDt() = Eigen::Map<V>(segment_volume.data(), nseg_total) / dt;
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}
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template <class Grid>
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void
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BlackoilMultiSegmentModel<Grid>::makeConstantState(SolutionState& state) const
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{
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Base::makeConstantState(state);
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state.segp = ADB::constant(state.segp.value());
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state.segqs = ADB::constant(state.segqs.value());
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}
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template <class Grid>
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IterationReport
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BlackoilMultiSegmentModel<Grid>::
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assemble(const ReservoirState& reservoir_state,
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WellState& well_state,
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const bool initial_assembly)
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{
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using namespace Opm::AutoDiffGrid;
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// TODO: include VFP effect.
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// If we have VFP tables, we need the well connection
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// pressures for the "simple" hydrostatic correction
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// between well depth and vfp table depth.
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// if (isVFPActive()) {
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// SolutionState state = asImpl().variableState(reservoir_state, well_state);
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// SolutionState state0 = state;
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// asImpl().makeConstantState(state0);
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// asImpl().computeWellConnectionPressures(state0, well_state);
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// }
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// Possibly switch well controls and updating well state to
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// get reasonable initial conditions for the wells
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wellModel().updateWellControls(well_state);
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// Create the primary variables.
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SolutionState state = asImpl().variableState(reservoir_state, well_state);
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if (initial_assembly) {
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// Create the (constant, derivativeless) initial state.
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SolutionState state0 = state;
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asImpl().makeConstantState(state0);
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// Compute initial accumulation contributions
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// and well connection pressures.
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asImpl().computeAccum(state0, 0);
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wellModel().computeSegmentFluidProperties(state0);
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const int np = numPhases();
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assert(np == int(wellModel().segmentCompSurfVolumeInitial().size()));
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for (int phase = 0; phase < np; ++phase) {
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wellModel().segmentCompSurfVolumeInitial()[phase] = wellModel().segmentCompSurfVolumeCurrent()[phase].value();
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}
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asImpl().computeWellConnectionPressures(state0, well_state);
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}
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// OPM_AD_DISKVAL(state.pressure);
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// OPM_AD_DISKVAL(state.saturation[0]);
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// OPM_AD_DISKVAL(state.saturation[1]);
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// OPM_AD_DISKVAL(state.saturation[2]);
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// OPM_AD_DISKVAL(state.rs);
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// OPM_AD_DISKVAL(state.rv);
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// OPM_AD_DISKVAL(state.qs);
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// OPM_AD_DISKVAL(state.bhp);
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// -------- Mass balance equations --------
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asImpl().assembleMassBalanceEq(state);
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// -------- Well equations ----------
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IterationReport iter_report = {false, false, 0, 0};
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if ( ! wellsActive() ) {
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return iter_report;
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}
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wellModel().computeSegmentFluidProperties(state);
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const double gravity = detail::getGravity(geo_.gravity(), UgGridHelpers::dimensions(grid_));
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wellModel().computeSegmentPressuresDelta(gravity);
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std::vector<ADB> mob_perfcells;
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std::vector<ADB> b_perfcells;
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wellModel().extractWellPerfProperties(state, sd_.rq, mob_perfcells, b_perfcells);
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if (param_.solve_welleq_initially_ && initial_assembly) {
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// solve the well equations as a pre-processing step
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iter_report = asImpl().solveWellEq(mob_perfcells, b_perfcells, state, well_state);
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}
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// the perforation flux here are different
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// it is related to the segment location
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V aliveWells;
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std::vector<ADB> cq_s;
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wellModel().computeWellFlux(state, mob_perfcells, b_perfcells, aliveWells, cq_s);
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wellModel().updatePerfPhaseRatesAndPressures(cq_s, state, well_state);
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wellModel().addWellFluxEq(cq_s, state, residual_);
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asImpl().addWellContributionToMassBalanceEq(cq_s, state, well_state);
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wellModel().addWellControlEq(state, well_state, aliveWells, residual_);
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return iter_report;
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}
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template <class Grid>
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IterationReport
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BlackoilMultiSegmentModel<Grid>::solveWellEq(const std::vector<ADB>& mob_perfcells,
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const std::vector<ADB>& b_perfcells,
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SolutionState& state,
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WellState& well_state)
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{
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IterationReport iter_report = Base::solveWellEq(mob_perfcells, b_perfcells, state, well_state);
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if (iter_report.converged) {
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// We must now update the state.segp and state.segqs members,
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// that the base version does not know about.
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const int np = numPhases();
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const int nseg_total =well_state.numSegments();
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{
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// We will set the segp primary variable to the new ones,
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// but we do not change the derivatives here.
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ADB::V new_segp = Eigen::Map<ADB::V>(well_state.segPress().data(), nseg_total);
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// Avoiding the copy below would require a value setter method
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// in AutoDiffBlock.
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std::vector<ADB::M> old_segp_derivs = state.segp.derivative();
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state.segp = ADB::function(std::move(new_segp), std::move(old_segp_derivs));
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}
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{
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// Need to reshuffle well rates, from phase running fastest
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// to wells running fastest.
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// The transpose() below switches the ordering.
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const DataBlock segrates = Eigen::Map<const DataBlock>(well_state.segPhaseRates().data(), nseg_total, np).transpose();
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ADB::V new_segqs = Eigen::Map<const V>(segrates.data(), nseg_total * np);
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std::vector<ADB::M> old_segqs_derivs = state.segqs.derivative();
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state.segqs = ADB::function(std::move(new_segqs), std::move(old_segqs_derivs));
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}
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// This is also called by the base version, but since we have updated
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// state.segp we must call it again.
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asImpl().computeWellConnectionPressures(state, well_state);
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}
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return iter_report;
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}
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template <class Grid>
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void
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BlackoilMultiSegmentModel<Grid>::
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computeWellConnectionPressures(const SolutionState& state,
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const WellState& well_state)
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{
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const int np = numPhases();
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const std::vector<ADB> kr_adb = Base::computeRelPerm(state);
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std::vector<ADB> fluid_density(np, ADB::null());
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// TODO: make sure the order of the density and the order of the kr are the same.
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for (int phaseIdx = 0; phaseIdx < np; ++phaseIdx) {
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const int canonicalPhaseIdx = canph_[phaseIdx];
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fluid_density[phaseIdx] = fluidDensity(canonicalPhaseIdx, sd_.rq[phaseIdx].b, state.rs, state.rv);
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}
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wellModel().computeWellConnectionPressures(state, well_state, kr_adb, fluid_density);
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}
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} // namespace Opm
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#endif // OPM_BLACKOILMODELBASE_IMPL_HEADER_INCLUDED
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