amr_wind::constants Namespace Reference

Functions
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE bool	is_close (const amrex::Real a, const amrex::Real b)
	Closeness comparison.

Variables
static constexpr amrex::Real	SMALL_NUM
	A number close to zero.
static constexpr amrex::Real	EPS
	A number very close to zero.
static constexpr amrex::Real	TIGHT_TOL = 1e-12
	A tight tolerance.
static constexpr amrex::Real	LOOSE_TOL = 1e-8
	A loose tolerance.
static constexpr amrex::Real	LOW_NUM
	A large negative number.
static constexpr amrex::Real	LARGE_NUM
	A large positive number.
static constexpr amrex::Real	BOLTZMANN_CONSTANT = 1.380649 * 1e-23
	Boltzmann constant (J/K)
static constexpr amrex::Real	AVOGADRO_CONSTANT = 6.02214076 * 1e23
	Avogadro's constant (mol^-1)
static constexpr amrex::Real	UNIVERSAL_GAS_CONSTANT
	Universal gas constant (J/K mol)
static constexpr amrex::Real	HEAT_CAPACITY_RATIO = 1.4
	Heat capacity ratio.
static constexpr amrex::Real	MOLAR_MASS_AIR = 0.02896492
	Molar mass of air (kg/mol)
static constexpr amrex::Real	MOLAR_MASS_WATER_VAPOR = 0.01801528
	Molar mass of water vapor (kg/mol)

Function Documentation

is_close()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE bool amr_wind::constants::is_close	(	const amrex::Real	a,
		const amrex::Real	b )

Closeness comparison.

Variable Documentation

AVOGADRO_CONSTANT

amrex::Real amr_wind::constants::AVOGADRO_CONSTANT = 6.02214076 * 1e23

staticconstexpr

Avogadro's constant (mol^-1)

BOLTZMANN_CONSTANT

amrex::Real amr_wind::constants::BOLTZMANN_CONSTANT = 1.380649 * 1e-23

staticconstexpr

Boltzmann constant (J/K)

EPS

amrex::Real amr_wind::constants::EPS

staticconstexpr

Initial value:

=
    static_cast<amrex::Real>(std::numeric_limits<amrex::Real>::epsilon())

A number very close to zero.

HEAT_CAPACITY_RATIO

amrex::Real amr_wind::constants::HEAT_CAPACITY_RATIO = 1.4

staticconstexpr

Heat capacity ratio.

LARGE_NUM

amrex::Real amr_wind::constants::LARGE_NUM

staticconstexpr

Initial value:

=
    static_cast<amrex::Real>(std::numeric_limits<amrex::Real>::max() * 1e-10)

A large positive number.

LOOSE_TOL

amrex::Real amr_wind::constants::LOOSE_TOL = 1e-8

staticconstexpr

A loose tolerance.

LOW_NUM

amrex::Real amr_wind::constants::LOW_NUM

staticconstexpr

Initial value:

= static_cast<amrex::Real>(
    std::numeric_limits<amrex::Real>::lowest() * 1e-10)

A large negative number.

MOLAR_MASS_AIR

amrex::Real amr_wind::constants::MOLAR_MASS_AIR = 0.02896492

staticconstexpr

Molar mass of air (kg/mol)

MOLAR_MASS_WATER_VAPOR

amrex::Real amr_wind::constants::MOLAR_MASS_WATER_VAPOR = 0.01801528

staticconstexpr

Molar mass of water vapor (kg/mol)

SMALL_NUM

amrex::Real amr_wind::constants::SMALL_NUM

staticconstexpr

Initial value:

= static_cast<amrex::Real>(
    std::numeric_limits<amrex::Real>::epsilon() * 1e10)

A number close to zero.

TIGHT_TOL

amrex::Real amr_wind::constants::TIGHT_TOL = 1e-12

staticconstexpr

A tight tolerance.

UNIVERSAL_GAS_CONSTANT

amrex::Real amr_wind::constants::UNIVERSAL_GAS_CONSTANT

staticconstexpr

Initial value:

=
    AVOGADRO_CONSTANT * BOLTZMANN_CONSTANT

Universal gas constant (J/K mol)