amr_wind::MOData Struct Reference

#include <MOData.H>

Public Types
enum class	ThetaCalcType { HEAT_FLUX = 0 , SURFACE_TEMPERATURE }

Public Member Functions
amrex::Real	phi_m () const
amrex::Real	phi_m (amrex::Real z) const
amrex::Real	phi_h () const
amrex::Real	phi_h (amrex::Real z) const
amrex::Real	calc_psi_m (amrex::Real zeta) const
amrex::Real	calc_psi_h (amrex::Real zeta) const
void	update_fluxes (int max_iters=25)

Public Attributes
amrex::Real	zref {0.0}
	Reference height (m)
amrex::Real	z0 {0.1}
	Roughness height (m)
amrex::Real	utau
	Friction velocity (m/s)
amrex::Real	kappa {0.41}
	von Karman constant
amrex::Real	gravity {9.81}
	Acceleration due to gravity (m/s^2)
amrex::Real	obukhov_len {1.0e16}
	Non-dimensional Obukhov length.
amrex::RealArray	vel_mean
	Mean velocity (at zref)
amrex::Real	vmag_mean
	Mean wind speed (at zref)
amrex::Real	Su_mean
	Mean wind speed times x-velocity (at zref)
amrex::Real	Sv_mean
	Mean wind speed times y-velocity (at zref)
amrex::Real	theta_mean
	Mean potential temperature.
amrex::Real	surf_temp_flux {0.0}
	Heat flux.
amrex::Real	surf_temp
	Instantaneous surface temperature.
amrex::Real	ref_temp
	Reference temperature.
amrex::Real	gamma_m {5.0}
amrex::Real	gamma_h {5.0}
amrex::Real	beta_m {16.0}
amrex::Real	beta_h {16.0}
ThetaCalcType	alg_type {ThetaCalcType::HEAT_FLUX}

Detailed Description

Monin-Obukhov surface layer profile

van der Laan, P., Kelly, M. C., & Sørensen, N. N. (2017). A new k-epsilon model consistent with Monin-Obukhov similarity theory. Wind Energy, 20(3), 479–489. https://doi.org/10.1002/we.2017

Consistent with Dyer (1974) formulation from page 57, Chapter 2, Modeling the vertical ABL structure in Modelling of Atmospheric Flow Fields, Demetri P Lalas and Corrado F Ratto, January 1996, https://doi.org/10.1142/2975.

Member Enumeration Documentation

ThetaCalcType

enum class amr_wind::MOData::ThetaCalcType

strong

Enumerator
HEAT_FLUX	Heat-flux specified.
SURFACE_TEMPERATURE	Surface temperature specified.

Member Function Documentation

calc_psi_h()

amrex::Real amr_wind::MOData::calc_psi_h

(

amrex::Real

zeta

)

const

calc_psi_m()

amrex::Real amr_wind::MOData::calc_psi_m

(

amrex::Real

zeta

)

const

phi_h() [1/2]

amrex::Real amr_wind::MOData::phi_h ( ) const

inline

phi_h() [2/2]

amrex::Real amr_wind::MOData::phi_h ( amrex::Real z ) const

inline

phi_m() [1/2]

amrex::Real amr_wind::MOData::phi_m ( ) const

inline

phi_m() [2/2]

amrex::Real amr_wind::MOData::phi_m ( amrex::Real z ) const

inline

update_fluxes()

void amr_wind::MOData::update_fluxes

(

int

max_iters = 25

)

Member Data Documentation

alg_type

ThetaCalcType amr_wind::MOData::alg_type {ThetaCalcType::HEAT_FLUX}

beta_h

amrex::Real amr_wind::MOData::beta_h {16.0}

beta_m

amrex::Real amr_wind::MOData::beta_m {16.0}

gamma_h

amrex::Real amr_wind::MOData::gamma_h {5.0}

gamma_m

amrex::Real amr_wind::MOData::gamma_m {5.0}

gravity

amrex::Real amr_wind::MOData::gravity {9.81}

Acceleration due to gravity (m/s^2)

kappa

amrex::Real amr_wind::MOData::kappa {0.41}

von Karman constant

obukhov_len

amrex::Real amr_wind::MOData::obukhov_len {1.0e16}

Non-dimensional Obukhov length.

ref_temp

amrex::Real amr_wind::MOData::ref_temp

Reference temperature.

Su_mean

amrex::Real amr_wind::MOData::Su_mean

Mean wind speed times x-velocity (at zref)

surf_temp

amrex::Real amr_wind::MOData::surf_temp

Instantaneous surface temperature.

surf_temp_flux

amrex::Real amr_wind::MOData::surf_temp_flux {0.0}

Heat flux.

Sv_mean

amrex::Real amr_wind::MOData::Sv_mean

Mean wind speed times y-velocity (at zref)

theta_mean

amrex::Real amr_wind::MOData::theta_mean

Mean potential temperature.

utau

amrex::Real amr_wind::MOData::utau

Friction velocity (m/s)

vel_mean

amrex::RealArray amr_wind::MOData::vel_mean

Mean velocity (at zref)

vmag_mean

amrex::Real amr_wind::MOData::vmag_mean

Mean wind speed (at zref)

z0

amrex::Real amr_wind::MOData::z0 {0.1}

Roughness height (m)

zref

amrex::Real amr_wind::MOData::zref {0.0}

Reference height (m)

---

The documentation for this struct was generated from the following files:

• /home/runner/work/amr-wind/amr-wind/amr-wind/wind_energy/MOData.H
• /home/runner/work/amr-wind/amr-wind/amr-wind/wind_energy/MOData.cpp