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IdealGas.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_IDEAL_GAS_HPP
#define OPM_IDEAL_GAS_HPP
#include <opm/material/Constants.hpp>
namespace Opm {
template <class Scalar>
class IdealGas
{
public:
static const Scalar R;
template <class Evaluation>
static Evaluation density(const Evaluation& avgMolarMass,
const Evaluation& temperature,
const Evaluation& pressure)
{ return pressure*avgMolarMass/(R*temperature); }
template <class Evaluation>
static Evaluation pressure(const Evaluation& temperature,
const Evaluation& rhoMolar)
{ return R*temperature*rhoMolar; }
template <class Evaluation>
static Evaluation molarDensity(const Evaluation& temperature,
const Evaluation& pressure)
{ return pressure/(R*temperature); }
};
template <class Scalar>
const Scalar IdealGas<Scalar>::R = Constants<Scalar>::R;
} // namespace Opm
#endif
Constants.hpp
A central place for various physical constants occuring in some equations.
Opm::Constants::R
static const Scalar R
The ideal gas constant [J/(mol K)].
Definition Constants.hpp:45
Opm::IdealGas
Relations valid for an ideal gas.
Definition IdealGas.hpp:38
Opm::IdealGas::R
static const Scalar R
The ideal gas constant .
Definition IdealGas.hpp:41
Opm::IdealGas::pressure
static Evaluation pressure(const Evaluation &temperature, const Evaluation &rhoMolar)
The pressure of the gas in , depending on the molar density and temperature.
Definition IdealGas.hpp:58
Opm::IdealGas::density
static Evaluation density(const Evaluation &avgMolarMass, const Evaluation &temperature, const Evaluation &pressure)
The density of the gas in , depending on pressure, temperature and average molar mass of the gas.
Definition IdealGas.hpp:48
Opm::IdealGas::molarDensity
static Evaluation molarDensity(const Evaluation &temperature, const Evaluation &pressure)
The molar density of the gas , depending on pressure and temperature.
Definition IdealGas.hpp:67
Opm
This class implements a small container which holds the transmissibility mulitpliers for all the face...
Definition Exceptions.hpp:30