aspect::constants Namespace Reference

Namespaces
	earth
	mars

Variables
constexpr double	year_in_seconds = 60*60*24*365.2425
constexpr double	celsius_to_kelvin = 273.15
constexpr double	degree_to_radians = ::numbers::PI / 180.
constexpr double	radians_to_degree = 180. / ::numbers::PI
constexpr double	gas_constant = 8.3144621
constexpr double	avogadro = 6.02214129e23
constexpr double	big_g = 6.67430e-11

Detailed Description

The following are a set of global constants which may be used by ASPECT: (for sources of data and values used by ASPECT, see source/global.cc)

Variable Documentation

year_in_seconds

constexpr double aspect::constants::year_in_seconds = 60*60*24*365.2425

constexpr

Number of seconds in a year [s]

Definition at line 70 of file global.h.

celsius_to_kelvin

constexpr double aspect::constants::celsius_to_kelvin = 273.15

constexpr

Zero degrees Celsius to Kelvin [K]

Definition at line 75 of file global.h.

degree_to_radians

constexpr double aspect::constants::degree_to_radians = ::numbers::PI / 180.

constexpr

Convert angles in degree to radians.

Definition at line 80 of file global.h.

radians_to_degree

constexpr double aspect::constants::radians_to_degree = 180. / ::numbers::PI

constexpr

Convert angles in radians to degrees.

Definition at line 85 of file global.h.

gas_constant

constexpr double aspect::constants::gas_constant = 8.3144621

constexpr

Gas constant (also known as R) [J K^-1 mol^-1]

Definition at line 90 of file global.h.

avogadro

constexpr double aspect::constants::avogadro = 6.02214129e23

constexpr

Avogadro's constant [mol^-1]

Definition at line 94 of file global.h.

big_g

constexpr double aspect::constants::big_g = 6.67430e-11

constexpr

Gravitational constant [m^3 kg^-1 s^-2] Value: 6.67430(15)E-11 (standard uncertainty in parenthesis) Source: 2018 CODATA Value: Newtonian constants of gravitation. The NIST Reference on Constants, Units, and Uncertainty. NIST. 20 May 2019.

Definition at line 102 of file global.h.