opm-simulators/opm/autodiff/BlackoilMultiSegmentModel_impl.hpp

281 lines
11 KiB
C++

/*
Copyright 2013, 2015 SINTEF ICT, Applied Mathematics.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_BLACKOIMULTISEGMENTLMODEL_IMPL_HEADER_INCLUDED
#define OPM_BLACKOIMULTISEGMENTLMODEL_IMPL_HEADER_INCLUDED
#include <opm/autodiff/BlackoilMultiSegmentModel.hpp>
#include <opm/autodiff/AutoDiffBlock.hpp>
#include <opm/autodiff/AutoDiffHelpers.hpp>
#include <opm/autodiff/GridHelpers.hpp>
#include <opm/autodiff/BlackoilPropsAdInterface.hpp>
#include <opm/autodiff/GeoProps.hpp>
#include <opm/autodiff/WellDensitySegmented.hpp>
#include <opm/autodiff/VFPProperties.hpp>
#include <opm/autodiff/VFPProdProperties.hpp>
#include <opm/autodiff/VFPInjProperties.hpp>
#include <opm/core/grid.h>
#include <opm/core/linalg/LinearSolverInterface.hpp>
#include <opm/core/linalg/ParallelIstlInformation.hpp>
#include <opm/core/props/rock/RockCompressibility.hpp>
#include <opm/common/ErrorMacros.hpp>
#include <opm/common/Exceptions.hpp>
#include <opm/core/utility/Units.hpp>
#include <opm/core/well_controls.h>
#include <opm/core/utility/parameters/ParameterGroup.hpp>
#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
#include <cassert>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <limits>
#include <vector>
//#include <fstream>
namespace Opm {
template <class Grid>
BlackoilMultiSegmentModel<Grid>::
BlackoilMultiSegmentModel(const typename Base::ModelParameters& param,
const Grid& grid ,
const BlackoilPropsAdInterface& fluid,
const DerivedGeology& geo ,
const RockCompressibility* rock_comp_props,
const MultisegmentWells& well_model,
const NewtonIterationBlackoilInterface& linsolver,
Opm::EclipseStateConstPtr eclState,
const bool has_disgas,
const bool has_vapoil,
const bool terminal_output)
: Base(param, grid, fluid, geo, rock_comp_props, well_model, linsolver,
eclState, has_disgas, has_vapoil, terminal_output)
{
}
template <class Grid>
void
BlackoilMultiSegmentModel<Grid>::
prepareStep(const double dt,
ReservoirState& reservoir_state,
WellState& well_state)
{
pvdt_ = geo_.poreVolume() / dt;
if (active_[Gas]) {
updatePrimalVariableFromState(reservoir_state);
}
const int nw = wellsMultiSegment().size();
if ( !msWellOps().has_multisegment_wells ) {
wellModel().segVDt() = V::Zero(nw);
return;
}
const int nseg_total = well_state.numSegments();
std::vector<double> segment_volume;
segment_volume.reserve(nseg_total);
for (int w = 0; w < nw; ++w) {
WellMultiSegmentConstPtr well = wellsMultiSegment()[w];
const std::vector<double>& segment_volume_well = well->segmentVolume();
segment_volume.insert(segment_volume.end(), segment_volume_well.begin(), segment_volume_well.end());
}
assert(int(segment_volume.size()) == nseg_total);
wellModel().segVDt() = Eigen::Map<V>(segment_volume.data(), nseg_total) / dt;
}
template <class Grid>
void
BlackoilMultiSegmentModel<Grid>::makeConstantState(SolutionState& state) const
{
Base::makeConstantState(state);
state.segp = ADB::constant(state.segp.value());
state.segqs = ADB::constant(state.segqs.value());
}
template <class Grid>
void
BlackoilMultiSegmentModel<Grid>::
assemble(const ReservoirState& reservoir_state,
WellState& well_state,
const bool initial_assembly)
{
using namespace Opm::AutoDiffGrid;
// TODO: include VFP effect.
// If we have VFP tables, we need the well connection
// pressures for the "simple" hydrostatic correction
// between well depth and vfp table depth.
// if (isVFPActive()) {
// SolutionState state = asImpl().variableState(reservoir_state, well_state);
// SolutionState state0 = state;
// asImpl().makeConstantState(state0);
// asImpl().computeWellConnectionPressures(state0, well_state);
// }
// Possibly switch well controls and updating well state to
// get reasonable initial conditions for the wells
wellModel().updateWellControls(terminal_output_, well_state);
// Create the primary variables.
SolutionState state = asImpl().variableState(reservoir_state, well_state);
if (initial_assembly) {
// Create the (constant, derivativeless) initial state.
SolutionState state0 = state;
asImpl().makeConstantState(state0);
// Compute initial accumulation contributions
// and well connection pressures.
asImpl().computeAccum(state0, 0);
wellModel().computeSegmentFluidProperties(state0);
const int np = numPhases();
assert(np == int(wellModel().segmentCompSurfVolumeInitial().size()));
for (int phase = 0; phase < np; ++phase) {
wellModel().segmentCompSurfVolumeInitial()[phase] = wellModel().segmentCompSurfVolumeCurrent()[phase].value();
}
asImpl().computeWellConnectionPressures(state0, well_state);
}
// OPM_AD_DISKVAL(state.pressure);
// OPM_AD_DISKVAL(state.saturation[0]);
// OPM_AD_DISKVAL(state.saturation[1]);
// OPM_AD_DISKVAL(state.saturation[2]);
// OPM_AD_DISKVAL(state.rs);
// OPM_AD_DISKVAL(state.rv);
// OPM_AD_DISKVAL(state.qs);
// OPM_AD_DISKVAL(state.bhp);
// -------- Mass balance equations --------
asImpl().assembleMassBalanceEq(state);
// -------- Well equations ----------
if ( ! wellsActive() ) {
return;
}
wellModel().computeSegmentFluidProperties(state);
const double gravity = detail::getGravity(geo_.gravity(), UgGridHelpers::dimensions(grid_));
wellModel().computeSegmentPressuresDelta(gravity);
std::vector<ADB> mob_perfcells;
std::vector<ADB> b_perfcells;
wellModel().extractWellPerfProperties(state, rq_, mob_perfcells, b_perfcells);
if (param_.solve_welleq_initially_ && initial_assembly) {
// solve the well equations as a pre-processing step
asImpl().solveWellEq(mob_perfcells, b_perfcells, state, well_state);
}
// the perforation flux here are different
// it is related to the segment location
V aliveWells;
std::vector<ADB> cq_s;
wellModel().computeWellFlux(state, mob_perfcells, b_perfcells, aliveWells, cq_s);
wellModel().updatePerfPhaseRatesAndPressures(cq_s, state, well_state);
wellModel().addWellFluxEq(cq_s, state, residual_);
asImpl().addWellContributionToMassBalanceEq(cq_s, state, well_state);
wellModel().addWellControlEq(state, well_state, aliveWells, residual_);
}
template <class Grid>
bool BlackoilMultiSegmentModel<Grid>::solveWellEq(const std::vector<ADB>& mob_perfcells,
const std::vector<ADB>& b_perfcells,
SolutionState& state,
WellState& well_state)
{
const bool converged = Base::solveWellEq(mob_perfcells, b_perfcells, state, well_state);
if (converged) {
// We must now update the state.segp and state.segqs members,
// that the base version does not know about.
const int np = numPhases();
const int nseg_total =well_state.numSegments();
{
// We will set the segp primary variable to the new ones,
// but we do not change the derivatives here.
ADB::V new_segp = Eigen::Map<ADB::V>(well_state.segPress().data(), nseg_total);
// Avoiding the copy below would require a value setter method
// in AutoDiffBlock.
std::vector<ADB::M> old_segp_derivs = state.segp.derivative();
state.segp = ADB::function(std::move(new_segp), std::move(old_segp_derivs));
}
{
// Need to reshuffle well rates, from phase running fastest
// to wells running fastest.
// The transpose() below switches the ordering.
const DataBlock segrates = Eigen::Map<const DataBlock>(well_state.segPhaseRates().data(), nseg_total, np).transpose();
ADB::V new_segqs = Eigen::Map<const V>(segrates.data(), nseg_total * np);
std::vector<ADB::M> old_segqs_derivs = state.segqs.derivative();
state.segqs = ADB::function(std::move(new_segqs), std::move(old_segqs_derivs));
}
// This is also called by the base version, but since we have updated
// state.segp we must call it again.
asImpl().computeWellConnectionPressures(state, well_state);
}
return converged;
}
template <class Grid>
void
BlackoilMultiSegmentModel<Grid>::
computeWellConnectionPressures(const SolutionState& state,
const WellState& well_state)
{
const int np = numPhases();
const std::vector<ADB> kr_adb = Base::computeRelPerm(state);
std::vector<ADB> fluid_density(np, ADB::null());
// TODO: make sure the order of the density and the order of the kr are the same.
for (int phaseIdx = 0; phaseIdx < np; ++phaseIdx) {
const int canonicalPhaseIdx = canph_[phaseIdx];
fluid_density[phaseIdx] = fluidDensity(canonicalPhaseIdx, rq_[phaseIdx].b, state.rs, state.rv);
}
wellModel().computeWellConnectionPressures(state, well_state, kr_adb, fluid_density);
}
} // namespace Opm
#endif // OPM_BLACKOILMODELBASE_IMPL_HEADER_INCLUDED