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76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/*
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Copyright 2012 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_PVTPROPERTIESINCOMPFROMDECK_HEADER_INCLUDED
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#define OPM_PVTPROPERTIESINCOMPFROMDECK_HEADER_INCLUDED
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#include <opm/parser/eclipse/Deck/Deck.hpp>
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#include <array>
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namespace Opm
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{
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/// Class collecting pvt properties for 2 phases, reading from
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/// eclipse input (keywords DENSITY, PVTW, PVCDO).
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///
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/// All phases are incompressible and have constant viscosities.
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/// NOTE: This class is intentionally similar to BlackoilPvtProperties.
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class PvtPropertiesIncompFromDeck
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{
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public:
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/// Default constructor.
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PvtPropertiesIncompFromDeck();
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/// Initialize from deck.
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void init(Opm::DeckConstPtr deck);
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/// Number of active phases.
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int numPhases() const;
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/// Densities of stock components at surface conditions.
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/// \return Array of size numPhases().
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const double* surfaceDensities() const;
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/// Densities of stock components at reservoir conditions.
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/// Note: a reasonable question to ask is why there can be
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/// different densities at surface and reservoir conditions,
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/// when the phases are assumed incompressible. The answer is
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/// that even if we approximate the phases as being
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/// incompressible during simulation, the density difference
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/// between surface and reservoir may be larger. For accurate
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/// reporting and using data given in terms of surface values,
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/// we need to handle this difference.
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/// \return Array of size numPhases().
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const double* reservoirDensities() const;
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/// Viscosities.
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const double* viscosity() const;
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private:
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std::array<double, 2> surface_density_;
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std::array<double, 2> reservoir_density_;
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std::array<double, 2> viscosity_;
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};
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}
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#endif // OPM_PVTPROPERTIESINCOMPFROMDECK_HEADER_INCLUDED
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