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774 lines
28 KiB
C++
774 lines
28 KiB
C++
/*
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Copyright 2014, 2015 SINTEF ICT, Applied Mathematics.
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Copyright 2014, 2015 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_RATECONVERTER_HPP_HEADER_INCLUDED
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#define OPM_RATECONVERTER_HPP_HEADER_INCLUDED
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/core/simulator/BlackoilState.hpp>
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#include <opm/core/utility/RegionMapping.hpp>
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#include <opm/core/linalg/ParallelIstlInformation.hpp>
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#include <dune/grid/common/gridenums.hh>
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#include <algorithm>
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#include <cmath>
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#include <memory>
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#include <stdexcept>
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#include <type_traits>
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#include <unordered_map>
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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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* Facility for converting component rates at surface conditions to
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* phase (voidage) rates at reservoir conditions.
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*
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* This uses the average hydrocarbon pressure to define fluid
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* properties. The facility is intended to support Reservoir Voidage
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* rates only ('RESV').
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*/
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namespace Opm {
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namespace RateConverter {
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/**
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* Convenience tools for implementing the rate conversion
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* facility.
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*/
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namespace Details {
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namespace Select {
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template <class RegionID, bool>
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struct RegionIDParameter
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{
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using type =
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typename std::remove_reference<RegionID>::type &;
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};
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template <class RegionID>
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struct RegionIDParameter<RegionID, true>
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{
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using type = RegionID;
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};
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} // Select
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/**
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* \brief Computes the temperature, pressure, and counter increment.
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*
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* In a parallel run only cells owned contribute to the cell average.
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* \tparam is_parallel Whether this is a parallel run.
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*/
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template<bool is_parallel>
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struct AverageIncrementCalculator
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{
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/**
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* \brief Computes the temperature, pressure, and counter increment.
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* \param pressure The pressure.
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* \param temperature The temperature.
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* \param rs The rs.
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* \param rv The rv.
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* \param cell The current cell index.
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* \param ownership A vector indicating whether a cell is owned
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* by this process (value 1), or not (value 0).
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* \param cell The cell index.
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*/
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std::tuple<double, double, double, double, int>
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operator()(const std::vector<double>& pressure,
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const std::vector<double>& temperature,
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const std::vector<double>& rs,
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const std::vector<double>& rv,
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const std::vector<double>& ownership,
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std::size_t cell){
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if ( ownership[cell] )
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{
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return std::make_tuple(pressure[cell],
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temperature[cell],
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rs[cell],
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rv[cell],
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1);
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}
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else
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{
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return std::make_tuple(0, 0, 0, 0, 0);
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}
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}
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};
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template<>
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struct AverageIncrementCalculator<false>
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{
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std::tuple<double, double, double, double, int>
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operator()(const std::vector<double>& pressure,
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const std::vector<double>& temperature,
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const std::vector<double>& rs,
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const std::vector<double>& rv,
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const std::vector<double>&,
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std::size_t cell){
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return std::make_tuple(pressure[cell],
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temperature[cell],
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rs[cell],
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rv[cell],
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1);
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}
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};
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/**
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* Provide mapping from Region IDs to user-specified collection
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* of per-region attributes.
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*
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* \tparam RegionId Region identifier type. Must be hashable by
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* \code std::hash<> \endcode. Typically a built-in integer
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* type--e.g., \c int.
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*
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* \tparam Attributes User-defined type that represents
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* collection of attributes that have meaning in a per-region
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* aggregate sense. Must be copy-constructible.
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*/
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template <typename RegionId, class Attributes>
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class RegionAttributes
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{
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public:
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/**
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* Expose \c RegionId as a vocabulary type for use in query
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* methods.
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*/
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using RegionID =
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typename Select::RegionIDParameter
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<RegionId, std::is_integral<RegionId>::value>::type;
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/**
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* Constructor.
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*
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* \tparam RMap Class type that implements the RegionMapping
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* protocol. Typically an instantiation of \code
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* Opm::RegionMapping<> \endcode.
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*
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* \param[in] rmap Specific region mapping that provides
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* reverse lookup from regions to cells.
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*
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* \param[in] attr Pre-constructed initialiser for \c
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* Attributes.
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*/
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template <class RMap>
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RegionAttributes(const RMap& rmap,
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const Attributes& attr)
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{
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using VT = typename AttributeMap::value_type;
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for (const auto& r : rmap.activeRegions()) {
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auto v = std::unique_ptr<Value>(new Value(attr));
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const auto stat = attr_.insert(VT(r, std::move(v)));
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if (stat.second) {
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// New value inserted.
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const auto& cells = rmap.cells(r);
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assert (! cells.empty());
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// Region's representative cell.
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stat.first->second->cell_ = cells[0];
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}
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}
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}
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/**
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* Retrieve representative cell in region.
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*
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* \param[in] reg Specific region.
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*
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* \return Representative cell in region \p reg.
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*/
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int cell(const RegionID reg) const
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{
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return this->find(reg).cell_;
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}
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/**
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* Request read-only access to region's attributes.
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*
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* \param[in] reg Specific region.
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*
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* \return Read-only access to region \p reg's per-region
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* attributes.
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*/
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const Attributes& attributes(const RegionID reg) const
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{
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return this->find(reg).attr_;
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}
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/**
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* Request modifiable access to region's attributes.
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*
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* \param[in] reg Specific region.
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*
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* \return Read-write access to region \p reg's per-region
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* attributes.
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*/
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Attributes& attributes(const RegionID reg)
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{
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return this->find(reg).attr_;
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}
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private:
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/**
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* Aggregate per-region attributes along with region's
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* representative cell.
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*/
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struct Value {
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Value(const Attributes& attr)
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: attr_(attr)
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, cell_(-1)
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{}
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Attributes attr_;
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int cell_;
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};
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using ID =
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typename std::remove_reference<RegionId>::type;
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using AttributeMap =
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std::unordered_map<ID, std::unique_ptr<Value>>;
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AttributeMap attr_;
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/**
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* Read-only access to region's properties.
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*/
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const Value& find(const RegionID reg) const
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{
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const auto& i = attr_.find(reg);
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if (i == attr_.end()) {
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throw std::invalid_argument("Unknown region ID");
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}
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return *i->second;
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}
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/**
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* Read-write access to region's properties.
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*/
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Value& find(const RegionID reg)
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{
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const auto& i = attr_.find(reg);
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if (i == attr_.end()) {
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throw std::invalid_argument("Unknown region ID");
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}
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return *i->second;
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}
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};
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/**
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* Convenience functions for querying presence/absence of
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* active phases.
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*/
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namespace PhaseUsed {
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/**
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* Active water predicate.
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*
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* \param[in] pu Active phase object.
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*
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* \return Whether or not water is an active phase.
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*/
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inline bool
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water(const PhaseUsage& pu)
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{
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return pu.phase_used[ BlackoilPhases::Aqua ] != 0;
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}
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/**
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* Active oil predicate.
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*
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* \param[in] pu Active phase object.
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*
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* \return Whether or not oil is an active phase.
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*/
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inline bool
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oil(const PhaseUsage& pu)
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{
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return pu.phase_used[ BlackoilPhases::Liquid ] != 0;
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}
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/**
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* Active gas predicate.
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*
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* \param[in] pu Active phase object.
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*
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* \return Whether or not gas is an active phase.
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*/
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inline bool
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gas(const PhaseUsage& pu)
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{
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return pu.phase_used[ BlackoilPhases::Vapour ] != 0;
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}
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} // namespace PhaseUsed
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/**
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* Convenience functions for querying numerical IDs
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* ("positions") of active phases.
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*/
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namespace PhasePos {
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/**
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* Numerical ID of active water phase.
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*
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* \param[in] pu Active phase object.
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*
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* \return Non-negative index/position of water if
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* active, -1 if not.
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*/
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inline int
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water(const PhaseUsage& pu)
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{
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int p = -1;
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if (PhaseUsed::water(pu)) {
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p = pu.phase_pos[ BlackoilPhases::Aqua ];
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}
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return p;
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}
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/**
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* Numerical ID of active oil phase.
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*
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* \param[in] pu Active phase object.
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*
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* \return Non-negative index/position of oil if
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* active, -1 if not.
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*/
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inline int
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oil(const PhaseUsage& pu)
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{
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int p = -1;
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if (PhaseUsed::oil(pu)) {
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p = pu.phase_pos[ BlackoilPhases::Liquid ];
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}
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return p;
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}
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/**
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* Numerical ID of active gas phase.
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*
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* \param[in] pu Active phase object.
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*
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* \return Non-negative index/position of gas if
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* active, -1 if not.
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*/
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inline int
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gas(const PhaseUsage& pu)
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{
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int p = -1;
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if (PhaseUsed::gas(pu)) {
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p = pu.phase_pos[ BlackoilPhases::Vapour ];
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}
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return p;
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}
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} // namespace PhasePos
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} // namespace Details
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/**
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* Convert component rates at surface conditions to phase
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* (voidage) rates at reservoir conditions.
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*
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* The conversion uses fluid properties evaluated at average
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* hydrocarbon pressure in regions or field.
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*
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* \tparam FluidSystem Fluid system class. Expected to be a BlackOilFluidSystem
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*
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* \tparam Region Type of a forward region mapping. Expected
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* to provide indexed access through \code operator[]()
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* \endcode as well as inner types \c value_type, \c
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* size_type, and \c const_iterator. Typically \code
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* std::vector<int> \endcode.
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*/
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template <class FluidSystem, class Region>
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class SurfaceToReservoirVoidage {
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public:
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/**
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* Constructor.
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*
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* \param[in] region Forward region mapping. Often
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* corresponds to the "FIPNUM" mapping of an ECLIPSE input
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* deck.
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*/
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SurfaceToReservoirVoidage(const PhaseUsage& phaseUsage,
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const Region& region)
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: phaseUsage_(phaseUsage)
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, rmap_ (region)
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, attr_ (rmap_, Attributes())
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{
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}
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/**
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* Compute average hydrocarbon pressure and maximum
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* dissolution and evaporation at average hydrocarbon
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* pressure in all regions in field.
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*
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* Fluid properties are evaluated at average hydrocarbon
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* pressure for purpose of conversion from surface rate to
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* reservoir voidage rate.
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*
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* \param[in] state Dynamic reservoir state.
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* \param[in] any The information and communication utilities
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* about/of the parallelization. in any parallel
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* it wraps a ParallelISTLInformation. Parameter
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* is optional.
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*/
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void
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defineState(const BlackoilState& state,
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const boost::any& info = boost::any())
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{
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#if HAVE_MPI
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if( info.type() == typeid(ParallelISTLInformation) )
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{
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const auto& ownership =
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boost::any_cast<const ParallelISTLInformation&>(info)
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.updateOwnerMask(state.pressure());
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calcAverages<true>(state, info, ownership);
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}
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else
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#endif
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{
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std::vector<double> dummyOwnership; // not actually used
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calcAverages<false>(state, info, dummyOwnership);
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}
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}
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/**
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* Compute pore volume averaged hydrocarbon state pressure, rs and rv.
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*
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* Fluid properties are evaluated at average hydrocarbon
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* state for purpose of conversion from surface rate to
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* reservoir voidage rate.
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*
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*/
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template <typename ElementContext, class EbosSimulator>
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void defineState(const EbosSimulator& simulator)
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{
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// create map from cell to region
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// and set all attributes to zero
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const auto& grid = simulator.gridManager().grid();
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const unsigned numCells = grid.size(/*codim=*/0);
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std::vector<int> cell2region(numCells, -1);
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for (const auto& reg : rmap_.activeRegions()) {
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for (const auto& cell : rmap_.cells(reg)) {
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cell2region[cell] = reg;
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}
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auto& ra = attr_.attributes(reg);
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ra.pressure = 0.0;
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ra.temperature = 0.0;
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ra.rs = 0.0;
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ra.rv = 0.0;
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ra.pv = 0.0;
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}
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ElementContext elemCtx( simulator );
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const auto& gridView = simulator.gridView();
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const auto& comm = gridView.comm();
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const auto& elemEndIt = gridView.template end</*codim=*/0>();
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for (auto elemIt = gridView.template begin</*codim=*/0>();
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elemIt != elemEndIt;
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++elemIt)
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{
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const auto& elem = *elemIt;
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if (elem.partitionType() != Dune::InteriorEntity)
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continue;
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elemCtx.updatePrimaryStencil(elem);
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elemCtx.updatePrimaryIntensiveQuantities(/*timeIdx=*/0);
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const unsigned cellIdx = elemCtx.globalSpaceIndex(/*spaceIdx=*/0, /*timeIdx=*/0);
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const auto& intQuants = elemCtx.intensiveQuantities(/*spaceIdx=*/0, /*timeIdx=*/0);
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const auto& fs = intQuants.fluidState();
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// use pore volume weighted averages.
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const double pv_cell =
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simulator.model().dofTotalVolume(cellIdx)
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* intQuants.porosity().value();
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// only count oil and gas filled parts of the domain
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double hydrocarbon = 1.0;
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const auto& pu = phaseUsage_;
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if (Details::PhaseUsed::water(pu)) {
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hydrocarbon -= fs.saturation(FluidSystem::waterPhaseIdx).value();
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}
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int reg = cell2region[cellIdx];
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assert(reg >= 0);
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auto& ra = attr_.attributes(reg);
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auto& p = ra.pressure;
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auto& T = ra.temperature;
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auto& rs = ra.rs;
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auto& rv = ra.rv;
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auto& pv = ra.pv;
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// sum p, rs, rv, and T.
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double hydrocarbonPV = pv_cell*hydrocarbon;
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pv += hydrocarbonPV;
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p += fs.pressure(FluidSystem::oilPhaseIdx).value()*hydrocarbonPV;
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rs += fs.Rs().value()*hydrocarbonPV;
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rv += fs.Rv().value()*hydrocarbonPV;
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T += fs.temperature(FluidSystem::oilPhaseIdx).value()*hydrocarbonPV;
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}
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for (const auto& reg : rmap_.activeRegions()) {
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auto& ra = attr_.attributes(reg);
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auto& p = ra.pressure;
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auto& T = ra.temperature;
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auto& rs = ra.rs;
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auto& rv = ra.rv;
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auto& pv = ra.pv;
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// communicate sums
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p = comm.sum(p);
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T = comm.sum(T);
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rs = comm.sum(rs);
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rv = comm.sum(rv);
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pv = comm.sum(pv);
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// compute average
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p /= pv;
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T /= pv;
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rs /= pv;
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rv /= pv;
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}
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}
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/**
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* Region identifier.
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*
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* Integral type.
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*/
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typedef typename RegionMapping<Region>::RegionId RegionId;
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/**
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* Compute coefficients for surface-to-reservoir voidage
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* conversion.
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*
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* \tparam Input Type representing contiguous collection
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* of component rates at surface conditions. Must support
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* direct indexing through \code operator[]()\endcode.
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*
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* \tparam Coeff Type representing contiguous collection
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* of surface-to-reservoir conversion coefficients. Must
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* support direct indexing through \code operator[]()
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* \endcode.
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*
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*
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* \param[in] r Fluid-in-place region of the well
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* \param[in] pvtRegionIdx PVT region of the well
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*
|
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*
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* \param[out] coeff Surface-to-reservoir conversion
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|
* coefficients for all active phases.
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|
*/
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template <class Coeff>
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|
void
|
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calcCoeff(const RegionId r, const int pvtRegionIdx, Coeff& coeff) const
|
|
{
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const auto& pu = phaseUsage_;
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const auto& ra = attr_.attributes(r);
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const double p = ra.pressure;
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const double T = ra.temperature;
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|
|
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const int iw = Details::PhasePos::water(pu);
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const int io = Details::PhasePos::oil (pu);
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const int ig = Details::PhasePos::gas (pu);
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|
|
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std::fill(& coeff[0], & coeff[0] + phaseUsage_.num_phases, 0.0);
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|
|
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if (Details::PhaseUsed::water(pu)) {
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|
// q[w]_r = q[w]_s / bw
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|
|
|
const double bw = FluidSystem::waterPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p);
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|
|
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coeff[iw] = 1.0 / bw;
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|
}
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|
|
|
// Determinant of 'R' matrix
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const double detR = 1.0 - (ra.rs * ra.rv);
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|
|
|
if (Details::PhaseUsed::oil(pu)) {
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|
// q[o]_r = 1/(bo * (1 - rs*rv)) * (q[o]_s - rv*q[g]_s)
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|
|
|
const double Rs = ra.rs;
|
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const double bo = FluidSystem::oilPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p, Rs);
|
|
const double den = bo * detR;
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|
|
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coeff[io] += 1.0 / den;
|
|
|
|
if (Details::PhaseUsed::gas(pu)) {
|
|
coeff[ig] -= ra.rv / den;
|
|
}
|
|
}
|
|
|
|
if (Details::PhaseUsed::gas(pu)) {
|
|
// q[g]_r = 1/(bg * (1 - rs*rv)) * (q[g]_s - rs*q[o]_s)
|
|
|
|
const double Rv = ra.rv;
|
|
const double bg = FluidSystem::gasPvt().inverseFormationVolumeFactor(pvtRegionIdx, T, p, Rv);
|
|
const double den = bg * detR;
|
|
|
|
coeff[ig] += 1.0 / den;
|
|
|
|
if (Details::PhaseUsed::oil(pu)) {
|
|
coeff[io] -= ra.rs / den;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Compute coefficients for surface-to-reservoir voidage
|
|
* conversion for solvent.
|
|
*
|
|
*
|
|
* \param[in] r Fluid-in-place region of the well
|
|
* \param[in] pvtRegionIdx PVT region of the well
|
|
*
|
|
*
|
|
* \param[out] double Surface-to-reservoir conversion
|
|
* coefficients for solvent.
|
|
*/
|
|
template <class SolventModule>
|
|
void
|
|
calcCoeffSolvent(const RegionId r, const int pvtRegionIdx, double& coeff) const
|
|
{
|
|
const auto& ra = attr_.attributes(r);
|
|
const double p = ra.pressure;
|
|
const double T = ra.temperature;
|
|
const auto& solventPvt = SolventModule::solventPvt();
|
|
const double bs = solventPvt.inverseFormationVolumeFactor(pvtRegionIdx, T, p);
|
|
coeff = 1.0 / bs;
|
|
}
|
|
|
|
private:
|
|
/**
|
|
* Fluid property object.
|
|
*/
|
|
const PhaseUsage phaseUsage_;
|
|
|
|
/**
|
|
* "Fluid-in-place" region mapping (forward and reverse).
|
|
*/
|
|
const RegionMapping<Region> rmap_;
|
|
|
|
/**
|
|
* Derived property attributes for each active region.
|
|
*/
|
|
struct Attributes {
|
|
Attributes()
|
|
: pressure (0.0)
|
|
, temperature(0.0)
|
|
, rs(0.0)
|
|
, rv(0.0)
|
|
, pv(0.0)
|
|
{}
|
|
|
|
double pressure;
|
|
double temperature;
|
|
double rs;
|
|
double rv;
|
|
double pv;
|
|
};
|
|
|
|
Details::RegionAttributes<RegionId, Attributes> attr_;
|
|
|
|
|
|
/**
|
|
* Compute average hydrocarbon pressure and temperatures in all
|
|
* regions.
|
|
*
|
|
* \param[in] state Dynamic reservoir state.
|
|
* \param[in] info The information and communication utilities
|
|
* about/of the parallelization.
|
|
* \param[in] ownership In a parallel run this is vector containing
|
|
* 1 for every owned unknown, zero otherwise.
|
|
* Not used in a sequential run.
|
|
* \tparam is_parallel True if the run is parallel. In this case
|
|
* info has to contain a ParallelISTLInformation
|
|
* object.
|
|
*/
|
|
template<bool is_parallel>
|
|
void
|
|
calcAverages(const BlackoilState& state, const boost::any& info,
|
|
const std::vector<double>& ownerShip)
|
|
{
|
|
const auto& press = state.pressure();
|
|
const auto& temp = state.temperature();
|
|
const auto& Rv = state.rv();
|
|
const auto& Rs = state.gasoilratio();
|
|
|
|
for (const auto& reg : rmap_.activeRegions()) {
|
|
auto& ra = attr_.attributes(reg);
|
|
auto& p = ra.pressure;
|
|
auto& T = ra.temperature;
|
|
auto& rs = ra.rs;
|
|
auto& rv = ra.rv;
|
|
|
|
std::size_t n = 0;
|
|
p = T = 0.0;
|
|
for (const auto& cell : rmap_.cells(reg)) {
|
|
auto increment = Details::
|
|
AverageIncrementCalculator<is_parallel>()(press, temp, Rs, Rv,
|
|
ownerShip,
|
|
cell);
|
|
p += std::get<0>(increment);
|
|
T += std::get<1>(increment);
|
|
rs += std::get<2>(increment);
|
|
rv += std::get<3>(increment);
|
|
n += std::get<4>(increment);
|
|
}
|
|
std::size_t global_n = n;
|
|
double global_p = p;
|
|
double global_T = T;
|
|
double global_rs = rs;
|
|
double global_rv = rv;
|
|
#if HAVE_MPI
|
|
if ( is_parallel )
|
|
{
|
|
const auto& real_info = boost::any_cast<const ParallelISTLInformation&>(info);
|
|
global_n = real_info.communicator().sum(n);
|
|
global_p = real_info.communicator().sum(p);
|
|
global_rs = real_info.communicator().sum(rs);
|
|
global_rv = real_info.communicator().sum(rv);
|
|
global_T = real_info.communicator().sum(T);
|
|
}
|
|
#endif
|
|
p = global_p / global_n;
|
|
rs = global_rs / global_n;
|
|
rv = global_rv / global_n;
|
|
T = global_T / global_n;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
};
|
|
} // namespace RateConverter
|
|
} // namespace Opm
|
|
|
|
#endif /* OPM_RATECONVERTER_HPP_HEADER_INCLUDED */
|