99a61df00a
conceptually, this may not be the purest conceivable solution, but it is the most practical one.
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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// vi: set et ts=4 sw=4 sts=4:
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/*
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Copyright (C) 2011-2013 by Andreas Lauser
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Copyright (C) 2011 by Bernd Flemisch
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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 2 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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/*!
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* \file
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* \copydoc Opm::Constants
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*/
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#ifndef OPM_CONSTANTS_HPP
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#define OPM_CONSTANTS_HPP
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#include <cmath>
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namespace Opm
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{
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/*!
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* \brief A central place for various physical constants occuring in
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* some equations.
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*/
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template<class Scalar>
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class Constants
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{ public:
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/*!
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* \brief The ideal gas constant [J/(mol K)]
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*/
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static const Scalar R;
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/*!
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* \brief The Avogadro constant [1/mol]
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*/
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static const Scalar Na;
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/*!
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* \brief The Boltzmann constant [J/K]
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*/
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static const Scalar kb;
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/*!
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* \brief Speed of light in vacuum [m/s]
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*/
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static const Scalar c;
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/*!
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* \brief Newtonian constant of gravitation [m^3/(kg s^2)]
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*/
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static const Scalar G;
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/*!
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* \brief Planck constant [J s]
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*/
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static const Scalar h;
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/*!
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* \brief Reduced Planck constant [J s]
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*/
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static const Scalar hRed;
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};
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template<class Scalar>
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const Scalar Constants<Scalar>::R = 8.314472;
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template <class Scalar>
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const Scalar Constants<Scalar>::Na = 6.02214179e23;
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template <class Scalar>
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const Scalar Constants<Scalar>::kb = R/Na;
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template <class Scalar>
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const Scalar Constants<Scalar>::c = 299792458.0;
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template <class Scalar>
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const Scalar Constants<Scalar>::G = 6.67428e-11;
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template <class Scalar>
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const Scalar Constants<Scalar>::h = 6.62606896e-34;
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template <class Scalar>
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const Scalar Constants<Scalar>::hRed = h / (2 * M_PI);
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} // namespace Opm
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#endif
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