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Constants.hpp
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27 #ifndef OPM_CONSTANTS_HPP
28 #define OPM_CONSTANTS_HPP
29 
30 #include <cmath>
31 
32 namespace Opm
33 {
34 
39 template<class Scalar>
40 class Constants
41 { public:
45  static const Scalar R;
46 
50  static const Scalar Na;
51 
55  static const Scalar kb;
56 
60  static const Scalar c;
61 
65  static const Scalar G;
66 
70  static const Scalar h;
71 
75  static const Scalar hRed;
76 };
77 
78 template<class Scalar>
79 const Scalar Constants<Scalar>::R = 8.314472;
80 template <class Scalar>
81 const Scalar Constants<Scalar>::Na = 6.02214179e23;
82 template <class Scalar>
83 const Scalar Constants<Scalar>::kb = R/Na;
84 template <class Scalar>
85 const Scalar Constants<Scalar>::c = 299792458.0;
86 template <class Scalar>
87 const Scalar Constants<Scalar>::G = 6.67428e-11;
88 template <class Scalar>
89 const Scalar Constants<Scalar>::h = 6.62606896e-34;
90 template <class Scalar>
91 const Scalar Constants<Scalar>::hRed = h / (2 * M_PI);
92 } // namespace Opm
93 
94 #endif
A central place for various physical constants occuring in some equations.
Definition: Constants.hpp:41
static const Scalar kb
The Boltzmann constant [J/K].
Definition: Constants.hpp:55
static const Scalar hRed
Reduced Planck constant [J s].
Definition: Constants.hpp:75
static const Scalar h
Planck constant [J s].
Definition: Constants.hpp:70
static const Scalar R
The ideal gas constant [J/(mol K)].
Definition: Constants.hpp:45
static const Scalar Na
The Avogadro constant [1/mol].
Definition: Constants.hpp:50
static const Scalar c
Speed of light in vacuum [m/s].
Definition: Constants.hpp:60
static const Scalar G
Newtonian constant of gravitation [m^3/(kg s^2)].
Definition: Constants.hpp:65