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674 lines
32 KiB
C++
674 lines
32 KiB
C++
/*
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Copyright 2014 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_INITSTATEEQUIL_HEADER_INCLUDED
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#define OPM_INITSTATEEQUIL_HEADER_INCLUDED
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#include <opm/core/simulator/EquilibrationHelpers.hpp>
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#include <opm/core/simulator/BlackoilState.hpp>
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#include <opm/core/io/eclipse/EclipseGridParser.hpp>
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#include <opm/core/props/BlackoilPropertiesInterface.hpp>
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/core/utility/RegionMapping.hpp>
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#include <opm/core/utility/Units.hpp>
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#include <opm/parser/eclipse/Utility/EquilWrapper.hpp>
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#include <opm/parser/eclipse/Utility/SimpleTable.hpp>
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#include <array>
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#include <cassert>
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#include <utility>
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#include <vector>
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/**
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* \file
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* Facilities for an ECLIPSE-style equilibration-based
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* initialisation scheme (keyword 'EQUIL').
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*/
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struct UnstructuredGrid;
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namespace Opm
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{
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/**
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* Compute initial state by an equilibration procedure.
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*
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* The following state fields are modified:
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* pressure(),
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* saturation(),
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* surfacevol(),
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* gasoilratio(),
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* rv().
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*
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* \param[in] grid Grid.
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* \param[in] props Property object, pvt and capillary properties are used.
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* \param[in] deck Simulation deck, used to obtain EQUIL and related data.
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* \param[in] gravity Acceleration of gravity, assumed to be in Z direction.
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*/
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void initStateEquil(const UnstructuredGrid& grid,
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const BlackoilPropertiesInterface& props,
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const EclipseGridParser& deck,
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const double gravity,
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BlackoilState& state);
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void initStateEquil(const UnstructuredGrid& grid,
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const BlackoilPropertiesInterface& props,
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const Opm::DeckConstPtr newParserDeck,
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const double gravity,
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BlackoilState& state);
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/**
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* Types and routines that collectively implement a basic
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* ECLIPSE-style equilibration-based initialisation scheme.
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*
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* This namespace is intentionally nested to avoid name clashes
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* with other parts of OPM.
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*/
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namespace Equil {
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/**
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* Compute initial phase pressures by means of equilibration.
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*
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* This function uses the information contained in an
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* equilibration record (i.e., depths and pressurs) as well as
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* a density calculator and related data to vertically
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* integrate the phase pressure ODE
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* \f[
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* \frac{\mathrm{d}p_{\alpha}}{\mathrm{d}z} =
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* \rho_{\alpha}(z,p_{\alpha})\cdot g
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* \f]
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* in which \f$\rho_{\alpha}$ denotes the fluid density of
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* fluid phase \f$\alpha\f$, \f$p_{\alpha}\f$ is the
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* corresponding phase pressure, \f$z\f$ is the depth and
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* \f$g\f$ is the acceleration due to gravity (assumed
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* directed downwords, in the positive \f$z\f$ direction).
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*
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* \tparam Region Type of an equilibration region information
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* base. Typically an instance of the EquilReg
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* class template.
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*
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* \tparam CellRange Type of cell range that demarcates the
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* cells pertaining to the current
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* equilibration region. Must implement
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* methods begin() and end() to bound the range
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* as well as provide an inner type,
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* const_iterator, to traverse the range.
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*
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* \param[in] G Grid.
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* \param[in] reg Current equilibration region.
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* \param[in] cells Range that spans the cells of the current
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* equilibration region.
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* \param[in] grav Acceleration of gravity.
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*
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* \return Phase pressures, one vector for each active phase,
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* of pressure values in each cell in the current
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* equilibration region.
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*/
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template <class Region, class CellRange>
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std::vector< std::vector<double> >
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phasePressures(const UnstructuredGrid& G,
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const Region& reg,
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const CellRange& cells,
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const double grav = unit::gravity);
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/**
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* Compute initial phase saturations by means of equilibration.
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*
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* \tparam Region Type of an equilibration region information
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* base. Typically an instance of the EquilReg
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* class template.
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*
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* \tparam CellRange Type of cell range that demarcates the
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* cells pertaining to the current
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* equilibration region. Must implement
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* methods begin() and end() to bound the range
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* as well as provide an inner type,
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* const_iterator, to traverse the range.
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*
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* \param[in] reg Current equilibration region.
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* \param[in] cells Range that spans the cells of the current
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* equilibration region.
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* \param[in] props Property object, needed for capillary functions.
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* \param[in] phase_pressures Phase pressures, one vector for each active phase,
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* of pressure values in each cell in the current
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* equilibration region.
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* \return Phase saturations, one vector for each phase, each containing
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* one saturation value per cell in the region.
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*/
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template <class Region, class CellRange>
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std::vector< std::vector<double> >
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phaseSaturations(const Region& reg,
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const CellRange& cells,
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const BlackoilPropertiesInterface& props,
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const std::vector< std::vector<double> >& phase_pressures);
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/**
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* Compute initial Rs values.
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*
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* \tparam CellRangeType Type of cell range that demarcates the
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* cells pertaining to the current
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* equilibration region. Must implement
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* methods begin() and end() to bound the range
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* as well as provide an inner type,
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* const_iterator, to traverse the range.
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*
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* \param[in] grid Grid.
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* \param[in] cells Range that spans the cells of the current
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* equilibration region.
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* \param[in] oil_pressure Oil pressure for each cell in range.
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* \param[in] rs_func Rs as function of pressure and depth.
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* \return Rs values, one for each cell in the 'cells' range.
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*/
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template <class CellRangeType>
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std::vector<double> computeRs(const UnstructuredGrid& grid,
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const CellRangeType& cells,
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const std::vector<double> oil_pressure,
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const Miscibility::RsFunction& rs_func,
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const std::vector<double> gas_saturation);
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namespace DeckDependent {
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inline
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std::vector<EquilRecord>
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getEquil(const EclipseGridParser& deck)
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{
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if (deck.hasField("EQUIL")) {
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const EQUIL& eql = deck.getEQUIL();
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typedef std::vector<EquilLine>::size_type sz_t;
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const sz_t nrec = eql.equil.size();
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std::vector<EquilRecord> ret;
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ret.reserve(nrec);
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for (sz_t r = 0; r < nrec; ++r) {
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const EquilLine& rec = eql.equil[r];
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EquilRecord record =
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{
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{ rec.datum_depth_ ,
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rec.datum_depth_pressure_ }
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,
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{ rec.water_oil_contact_depth_ ,
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rec.oil_water_cap_pressure_ }
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,
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{ rec.gas_oil_contact_depth_ ,
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rec.gas_oil_cap_pressure_ }
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,
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rec.live_oil_table_index_
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,
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rec.wet_gas_table_index_
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,
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rec.N_
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};
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if (record.N != 0) {
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OPM_THROW(std::domain_error,
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"kw EQUIL, item 9: Only N=0 supported.");
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}
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ret.push_back(record);
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}
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return ret;
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}
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else {
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OPM_THROW(std::domain_error,
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"Deck does not provide equilibration data.");
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}
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}
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inline
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std::vector<EquilRecord>
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getEquil(const Opm::DeckConstPtr newParserDeck)
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{
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if (newParserDeck->hasKeyword("EQUIL")) {
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Opm::EquilWrapper eql(newParserDeck->getKeyword("EQUIL"));
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const int nrec = eql.numRegions();
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std::vector<EquilRecord> ret;
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ret.reserve(nrec);
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for (int r = 0; r < nrec; ++r) {
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EquilRecord record =
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{
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{ eql.datumDepth(r) ,
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eql.datumDepthPressure(r) }
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,
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{ eql.waterOilContactDepth(r) ,
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eql.waterOilContactCapillaryPressure(r) }
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,
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{ eql.gasOilContactDepth(r) ,
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eql.gasOilContactCapillaryPressure(r) }
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,
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eql.liveOilInitProceedure(r)
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,
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eql.wetGasInitProceedure(r)
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,
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eql.initializationTargetAccuracy(r)
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};
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if (record.N != 0) {
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OPM_THROW(std::domain_error,
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"kw EQUIL, item 9: Only N=0 supported.");
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}
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ret.push_back(record);
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}
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return ret;
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}
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else {
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OPM_THROW(std::domain_error,
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"Deck does not provide equilibration data.");
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}
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}
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inline
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std::vector<int>
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equilnum(const EclipseGridParser& deck,
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const UnstructuredGrid& G )
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{
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std::vector<int> eqlnum;
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if (deck.hasField("EQLNUM")) {
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const std::vector<int>& e = deck.getIntegerValue("EQLNUM");
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eqlnum.reserve(e.size());
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std::transform(e.begin(), e.end(), std::back_inserter(eqlnum),
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std::bind2nd(std::minus<int>(), 1));
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}
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else {
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// No explicit equilibration region.
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// All cells in region zero.
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eqlnum.assign(G.number_of_cells, 0);
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}
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return eqlnum;
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}
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inline
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std::vector<int>
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equilnum(const Opm::DeckConstPtr newParserDeck,
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const UnstructuredGrid& G )
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{
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std::vector<int> eqlnum;
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if (newParserDeck->hasKeyword("EQLNUM")) {
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const std::vector<int>& e = newParserDeck->getKeyword("EQLNUM")->getIntData();
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eqlnum.reserve(e.size());
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std::transform(e.begin(), e.end(), std::back_inserter(eqlnum),
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std::bind2nd(std::minus<int>(), 1));
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}
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else {
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// No explicit equilibration region.
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// All cells in region zero.
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eqlnum.assign(G.number_of_cells, 0);
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}
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return eqlnum;
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}
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template <class InputDeck>
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class InitialStateComputer;
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template <>
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class InitialStateComputer<Opm::EclipseGridParser> {
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public:
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InitialStateComputer(const BlackoilPropertiesInterface& props,
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const EclipseGridParser& deck ,
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const UnstructuredGrid& G ,
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const double grav = unit::gravity)
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: pp_(props.numPhases(),
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std::vector<double>(G.number_of_cells)),
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sat_(props.numPhases(),
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std::vector<double>(G.number_of_cells)),
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rs_(G.number_of_cells),
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rv_(G.number_of_cells)
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{
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// Get the equilibration records.
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const std::vector<EquilRecord> rec = getEquil(deck);
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// Create (inverse) region mapping.
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const RegionMapping<> eqlmap(equilnum(deck, G));
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// Create Rs functions.
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rs_func_.reserve(rec.size());
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if (deck.hasField("DISGAS")) {
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for (size_t i = 0; i < rec.size(); ++i) {
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const int cell = *(eqlmap.cells(i).begin());
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if (rec[i].live_oil_table_index > 0) {
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if (deck.hasField("RSVD")) {
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// TODO When this kw is actually parsed, also check for proper number of available tables
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// For now, just use dummy ...
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std::vector<double> depth; depth.push_back(0.0); depth.push_back(100.0);
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std::vector<double> rs; rs.push_back(0.0); rs.push_back(100.0);
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rs_func_.push_back(std::make_shared<Miscibility::RsVD>(props, cell, depth, rs));
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} else {
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OPM_THROW(std::runtime_error, "Cannot initialise: RSVD table " << (rec[i].live_oil_table_index) << " not available.");
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}
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} else {
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if (rec[i].goc.depth != rec[i].main.depth) {
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OPM_THROW(std::runtime_error,
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"Cannot initialise: when no explicit RSVD table is given, \n"
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"datum depth must be at the gas-oil-contact. "
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"In EQUIL region " << (i + 1) << " (counting from 1), this does not hold.");
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}
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const double p_contact = rec[i].main.press;
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rs_func_.push_back(std::make_shared<Miscibility::RsSatAtContact>(props, cell, p_contact));
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}
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}
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} else {
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for (size_t i = 0; i < rec.size(); ++i) {
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rs_func_.push_back(std::make_shared<Miscibility::NoMixing>());
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}
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}
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rv_func_.reserve(rec.size());
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if (deck.hasField("VAPOIL")) {
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for (size_t i = 0; i < rec.size(); ++i) {
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const int cell = *(eqlmap.cells(i).begin());
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if (rec[i].wet_gas_table_index > 0) {
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if (deck.hasField("RVVD")) {
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// TODO When this kw is actually parsed, also check for proper number of available tables
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// For now, just use dummy ...
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std::vector<double> depth; depth.push_back(0.0); depth.push_back(100.0);
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std::vector<double> rv; rv.push_back(0.0); rv.push_back(0.0001);
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rv_func_.push_back(std::make_shared<Miscibility::RvVD>(props, cell, depth, rv));
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} else {
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OPM_THROW(std::runtime_error, "Cannot initialise: RVVD table " << (rec[i].wet_gas_table_index) << " not available.");
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}
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} else {
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if (rec[i].goc.depth != rec[i].main.depth) {
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OPM_THROW(std::runtime_error,
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"Cannot initialise: when no explicit RVVD table is given, \n"
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"datum depth must be at the gas-oil-contact. "
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"In EQUIL region " << (i + 1) << " (counting from 1), this does not hold.");
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}
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const double p_contact = rec[i].main.press + rec[i].goc.press;
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rv_func_.push_back(std::make_shared<Miscibility::RvSatAtContact>(props, cell, p_contact));
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}
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}
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} else {
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for (size_t i = 0; i < rec.size(); ++i) {
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rv_func_.push_back(std::make_shared<Miscibility::NoMixing>());
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}
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}
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// Compute pressures, saturations, rs and rv factors.
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calcPressSatRsRv(eqlmap, rec, props, G, grav);
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// Modify oil pressure in no-oil regions so that the pressures of present phases can
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// be recovered from the oil pressure and capillary relations.
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}
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typedef std::vector<double> Vec;
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typedef std::vector<Vec> PVec; // One per phase.
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const PVec& press() const { return pp_; }
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const PVec& saturation() const { return sat_; }
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const Vec& rs() const { return rs_; }
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const Vec& rv() const { return rv_; }
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private:
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typedef DensityCalculator<BlackoilPropertiesInterface> RhoCalc;
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typedef EquilReg<RhoCalc> EqReg;
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std::vector< std::shared_ptr<Miscibility::RsFunction> > rs_func_;
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std::vector< std::shared_ptr<Miscibility::RsFunction> > rv_func_;
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PVec pp_;
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PVec sat_;
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Vec rs_;
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Vec rv_;
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template <class RMap>
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void
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calcPressSatRsRv(const RMap& reg ,
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const std::vector< EquilRecord >& rec ,
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const Opm::BlackoilPropertiesInterface& props,
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const UnstructuredGrid& G ,
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const double grav)
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{
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typedef Miscibility::NoMixing NoMix;
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for (typename RMap::RegionId
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r = 0, nr = reg.numRegions();
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r < nr; ++r)
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{
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const typename RMap::CellRange cells = reg.cells(r);
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const int repcell = *cells.begin();
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const RhoCalc calc(props, repcell);
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const EqReg eqreg(rec[r], calc,
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rs_func_[r], rv_func_[r],
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props.phaseUsage());
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PVec press = phasePressures(G, eqreg, cells, grav);
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const PVec sat = phaseSaturations(eqreg, cells, props, press);
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const int np = props.numPhases();
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for (int p = 0; p < np; ++p) {
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copyFromRegion(press[p], cells, pp_[p]);
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copyFromRegion(sat[p], cells, sat_[p]);
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}
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if (props.phaseUsage().phase_used[BlackoilPhases::Liquid]
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&& props.phaseUsage().phase_used[BlackoilPhases::Vapour]) {
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const int oilpos = props.phaseUsage().phase_pos[BlackoilPhases::Liquid];
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const int gaspos = props.phaseUsage().phase_pos[BlackoilPhases::Vapour];
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const Vec rs = computeRs(G, cells, press[oilpos], *(rs_func_[r]), sat[gaspos]);
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const Vec rv = computeRs(G, cells, press[gaspos], *(rv_func_[r]), sat[oilpos]);
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copyFromRegion(rs, cells, rs_);
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copyFromRegion(rv, cells, rv_);
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}
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}
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}
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template <class CellRangeType>
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void copyFromRegion(const Vec& source,
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const CellRangeType& cells,
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Vec& destination)
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{
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auto s = source.begin();
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auto c = cells.begin();
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const auto e = cells.end();
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for (; c != e; ++c, ++s) {
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destination[*c] = *s;
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}
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}
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};
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template <>
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class InitialStateComputer<Opm::DeckConstPtr> {
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public:
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InitialStateComputer(const BlackoilPropertiesInterface& props,
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const Opm::DeckConstPtr newParserDeck,
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const UnstructuredGrid& G ,
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const double grav = unit::gravity)
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: pp_(props.numPhases(),
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std::vector<double>(G.number_of_cells)),
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sat_(props.numPhases(),
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std::vector<double>(G.number_of_cells)),
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rs_(G.number_of_cells),
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rv_(G.number_of_cells)
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{
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// Get the equilibration records.
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const std::vector<EquilRecord> rec = getEquil(newParserDeck);
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// Create (inverse) region mapping.
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const RegionMapping<> eqlmap(equilnum(newParserDeck, G));
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// Create Rs functions.
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rs_func_.reserve(rec.size());
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if (newParserDeck->hasKeyword("DISGAS")) {
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for (size_t i = 0; i < rec.size(); ++i) {
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const int cell = *(eqlmap.cells(i).begin());
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if (rec[i].live_oil_table_index > 0) {
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if (newParserDeck->hasKeyword("RSVD") && rec[i].live_oil_table_index <= newParserDeck->getKeyword("RSVD")->size()) {
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Opm::SimpleTable rsvd(newParserDeck->getKeyword("RSVD"),std::vector<std::string>{"vd", "rs"},rec[i].live_oil_table_index-1);
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std::vector<double> vd(rsvd.getColumn("vd"));
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std::vector<double> rs(rsvd.getColumn("rs"));
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rs_func_.push_back(std::make_shared<Miscibility::RsVD>(props, cell, vd, rs));
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} else {
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OPM_THROW(std::runtime_error, "Cannot initialise: RSVD table " << (rec[i].live_oil_table_index) << " not available.");
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}
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} else {
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if (rec[i].goc.depth != rec[i].main.depth) {
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OPM_THROW(std::runtime_error,
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"Cannot initialise: when no explicit RSVD table is given, \n"
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"datum depth must be at the gas-oil-contact. "
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"In EQUIL region " << (i + 1) << " (counting from 1), this does not hold.");
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}
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const double p_contact = rec[i].main.press;
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rs_func_.push_back(std::make_shared<Miscibility::RsSatAtContact>(props, cell, p_contact));
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}
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}
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} else {
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for (size_t i = 0; i < rec.size(); ++i) {
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rs_func_.push_back(std::make_shared<Miscibility::NoMixing>());
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}
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}
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rv_func_.reserve(rec.size());
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if (newParserDeck->hasKeyword("VAPOIL")) {
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for (size_t i = 0; i < rec.size(); ++i) {
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const int cell = *(eqlmap.cells(i).begin());
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if (rec[i].wet_gas_table_index > 0) {
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if (newParserDeck->hasKeyword("RVVD") && rec[i].wet_gas_table_index <= newParserDeck->getKeyword("RVVD")->size()) {
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Opm::SimpleTable rvvd(newParserDeck->getKeyword("RVVD"),std::vector<std::string>{"vd", "rv"},rec[i].wet_gas_table_index-1);
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std::vector<double> vd(rvvd.getColumn("vd"));
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std::vector<double> rv(rvvd.getColumn("rv"));
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rv_func_.push_back(std::make_shared<Miscibility::RvVD>(props, cell, vd, rv));
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} else {
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OPM_THROW(std::runtime_error, "Cannot initialise: RVVD table " << (rec[i].wet_gas_table_index) << " not available.");
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}
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} else {
|
|
if (rec[i].goc.depth != rec[i].main.depth) {
|
|
OPM_THROW(std::runtime_error,
|
|
"Cannot initialise: when no explicit RVVD table is given, \n"
|
|
"datum depth must be at the gas-oil-contact. "
|
|
"In EQUIL region " << (i + 1) << " (counting from 1), this does not hold.");
|
|
}
|
|
const double p_contact = rec[i].main.press + rec[i].goc.press;
|
|
rv_func_.push_back(std::make_shared<Miscibility::RvSatAtContact>(props, cell, p_contact));
|
|
}
|
|
}
|
|
} else {
|
|
for (size_t i = 0; i < rec.size(); ++i) {
|
|
rv_func_.push_back(std::make_shared<Miscibility::NoMixing>());
|
|
}
|
|
}
|
|
|
|
// Compute pressures, saturations, rs and rv factors.
|
|
calcPressSatRsRv(eqlmap, rec, props, G, grav);
|
|
|
|
// Modify oil pressure in no-oil regions so that the pressures of present phases can
|
|
// be recovered from the oil pressure and capillary relations.
|
|
}
|
|
|
|
typedef std::vector<double> Vec;
|
|
typedef std::vector<Vec> PVec; // One per phase.
|
|
|
|
const PVec& press() const { return pp_; }
|
|
const PVec& saturation() const { return sat_; }
|
|
const Vec& rs() const { return rs_; }
|
|
const Vec& rv() const { return rv_; }
|
|
|
|
private:
|
|
typedef DensityCalculator<BlackoilPropertiesInterface> RhoCalc;
|
|
typedef EquilReg<RhoCalc> EqReg;
|
|
|
|
std::vector< std::shared_ptr<Miscibility::RsFunction> > rs_func_;
|
|
std::vector< std::shared_ptr<Miscibility::RsFunction> > rv_func_;
|
|
|
|
PVec pp_;
|
|
PVec sat_;
|
|
Vec rs_;
|
|
Vec rv_;
|
|
|
|
template <class RMap>
|
|
void
|
|
calcPressSatRsRv(const RMap& reg ,
|
|
const std::vector< EquilRecord >& rec ,
|
|
const Opm::BlackoilPropertiesInterface& props,
|
|
const UnstructuredGrid& G ,
|
|
const double grav)
|
|
{
|
|
typedef Miscibility::NoMixing NoMix;
|
|
|
|
for (typename RMap::RegionId
|
|
r = 0, nr = reg.numRegions();
|
|
r < nr; ++r)
|
|
{
|
|
const typename RMap::CellRange cells = reg.cells(r);
|
|
|
|
const int repcell = *cells.begin();
|
|
const RhoCalc calc(props, repcell);
|
|
const EqReg eqreg(rec[r], calc,
|
|
rs_func_[r], rv_func_[r],
|
|
props.phaseUsage());
|
|
|
|
PVec press = phasePressures(G, eqreg, cells, grav);
|
|
|
|
const PVec sat = phaseSaturations(eqreg, cells, props, press);
|
|
|
|
const int np = props.numPhases();
|
|
for (int p = 0; p < np; ++p) {
|
|
copyFromRegion(press[p], cells, pp_[p]);
|
|
copyFromRegion(sat[p], cells, sat_[p]);
|
|
}
|
|
if (props.phaseUsage().phase_used[BlackoilPhases::Liquid]
|
|
&& props.phaseUsage().phase_used[BlackoilPhases::Vapour]) {
|
|
const int oilpos = props.phaseUsage().phase_pos[BlackoilPhases::Liquid];
|
|
const int gaspos = props.phaseUsage().phase_pos[BlackoilPhases::Vapour];
|
|
const Vec rs = computeRs(G, cells, press[oilpos], *(rs_func_[r]), sat[gaspos]);
|
|
const Vec rv = computeRs(G, cells, press[gaspos], *(rv_func_[r]), sat[oilpos]);
|
|
copyFromRegion(rs, cells, rs_);
|
|
copyFromRegion(rv, cells, rv_);
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class CellRangeType>
|
|
void copyFromRegion(const Vec& source,
|
|
const CellRangeType& cells,
|
|
Vec& destination)
|
|
{
|
|
auto s = source.begin();
|
|
auto c = cells.begin();
|
|
const auto e = cells.end();
|
|
for (; c != e; ++c, ++s) {
|
|
destination[*c] = *s;
|
|
}
|
|
}
|
|
|
|
};
|
|
} // namespace DeckDependent
|
|
} // namespace Equil
|
|
} // namespace Opm
|
|
|
|
#include <opm/core/simulator/initStateEquil_impl.hpp>
|
|
|
|
#endif // OPM_INITSTATEEQUIL_HEADER_INCLUDED
|