PressureOverlayFluidState.hpp

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
  This file is part of the Open Porous Media project (OPM).
 
  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.
 
  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 
  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef OPM_PRESSURE_OVERLAY_FLUID_STATE_HPP
#define OPM_PRESSURE_OVERLAY_FLUID_STATE_HPP
 
#include <opm/material/common/Valgrind.hpp>
 
#include <array>
#include <utility>
 
namespace Opm {
 
template <class FluidState>
class PressureOverlayFluidState
{
public:
    typedef typename FluidState::Scalar Scalar;
 
    enum { numPhases = FluidState::numPhases };
    enum { numComponents = FluidState::numComponents };
 
    PressureOverlayFluidState(const FluidState& fs)
        : fs_(&fs)
    {
        for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx)
            pressure_[phaseIdx] = fs.pressure(phaseIdx);
    }
 
    // copy constructor
    PressureOverlayFluidState(const PressureOverlayFluidState& fs)
        : fs_(fs.fs_)
        , pressure_(fs.pressure_)
    {
    }
 
    // assignment operator
    PressureOverlayFluidState& operator=(const PressureOverlayFluidState& fs)
    {
        fs_ = fs.fs_;
        pressure_ = fs.pressure_;
        return *this;
    }
 
    /*****************************************************
     * Generic access to fluid properties (No assumptions
     * on thermodynamic equilibrium required)
     *****************************************************/
    auto saturation(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().saturation(phaseIdx))
    { return fs_->saturation(phaseIdx); }
 
    auto moleFraction(unsigned phaseIdx, unsigned compIdx) const
        -> decltype(std::declval<FluidState>().moleFraction(phaseIdx, compIdx))
    { return fs_->moleFraction(phaseIdx, compIdx); }
 
    auto massFraction(unsigned phaseIdx, unsigned compIdx) const
        -> decltype(std::declval<FluidState>().massFraction(phaseIdx, compIdx))
    { return fs_->massFraction(phaseIdx, compIdx); }
 
    auto averageMolarMass(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().averageMolarMass(phaseIdx))
    { return fs_->averageMolarMass(phaseIdx); }
 
    auto molarity(unsigned phaseIdx, unsigned compIdx) const
        -> decltype(std::declval<FluidState>().molarity(phaseIdx, compIdx))
    { return fs_->molarity(phaseIdx, compIdx); }
 
    auto fugacity(unsigned phaseIdx, unsigned compIdx) const
        -> decltype(std::declval<FluidState>().fugacity(phaseIdx, compIdx))
    { return fs_->fugacity(phaseIdx, compIdx); }
 
    auto fugacityCoefficient(unsigned phaseIdx, unsigned compIdx) const
        -> decltype(std::declval<FluidState>().fugacityCoefficient(phaseIdx, compIdx))
    { return fs_->fugacityCoefficient(phaseIdx, compIdx); }
 
    auto molarVolume(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().molarVolume(phaseIdx))
    { return fs_->molarVolume(phaseIdx); }
 
    auto density(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().density(phaseIdx))
    { return fs_->density(phaseIdx); }
 
    auto molarDensity(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().molarDensity(phaseIdx))
    { return fs_->molarDensity(phaseIdx); }
 
    auto temperature(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().temperature(phaseIdx))
    { return fs_->temperature(phaseIdx); }
 
    auto pressure(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().pressure(phaseIdx))
    { return pressure_[phaseIdx]; }
 
    auto enthalpy(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().enthalpy(phaseIdx))
    { return fs_->enthalpy(phaseIdx); }
 
    auto internalEnergy(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().internalEnergy(phaseIdx))
    { return fs_->internalEnergy(phaseIdx); }
 
    auto viscosity(unsigned phaseIdx) const
        -> decltype(std::declval<FluidState>().viscosity(phaseIdx))
    { return fs_->viscosity(phaseIdx); }
 
 
    /*****************************************************
     * Setter methods. Note that these are not part of the
     * generic FluidState interface but specific for each
     * implementation...
     *****************************************************/
    void setPressure(unsigned phaseIdx, const Scalar& value)
    { pressure_[phaseIdx] = value; }
 
    void checkDefined() const
    {
        Valgrind::CheckDefined(pressure_);
    }
 
protected:
    const FluidState* fs_;
    std::array<Scalar, numPhases> pressure_;
};
 
} // namespace Opm
 
#endif