similarity_funs Struct Reference

#include <ERF_MOSTStress.H>

Collaboration diagram for similarity_funs:

Public Member Functions
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	calc_psi_m2 (amrex::Real zeta) const
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	calc_psi_h2 (amrex::Real zeta) const
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	calc_psi_m (amrex::Real zeta) const
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real	calc_psi_h (amrex::Real zeta) const

Private Attributes
amrex::Real	beta_m {5.0}
	Constants from Dyer, BLM, 1974. More...
amrex::Real	beta_h {5.0}
	https://doi.org/10.1007/BF00240838 More...
amrex::Real	gamma_m {16.0}
amrex::Real	gamma_h {16.0}

Detailed Description

Structure of similarity functions for Moeng formulation

Member Function Documentation

calc_psi_h()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real similarity_funs::calc_psi_h ( amrex::Real  zeta ) const

inline

    {
        if (zeta > 0) {
            return -beta_h * zeta;
        } else {
            amrex::Real x = std::sqrt(1.0 - gamma_h * zeta);
            return 2.0 * std::log(0.5 * (1.0 + x));
        }
    }

Referenced by surface_flux_charnock::iterate_flux(), surface_flux_mod_charnock::iterate_flux(), surface_flux_donelan::iterate_flux(), surface_temp_donelan::iterate_flux(), surface_flux_wave_coupled::iterate_flux(), surface_temp_wave_coupled::iterate_flux(), and surface_flux::iterate_flux().

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calc_psi_h2()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real similarity_funs::calc_psi_h2 ( amrex::Real  zeta ) const

inline

    {
        if (zeta > 0) {
            amrex::Real x = std::pow(1.0 + std::pow(zeta, 1.1), 1.0/1.1);
            return ( -6.1*std::log(zeta + x) );
        } else {
            amrex::Real x = std::sqrt(1.0 - 16.0*zeta);
            amrex::Real psi_k_h = 2.0 * std::log(0.5 * (1.0 + x));
            amrex::Real y = std::pow(1.0 - 34.0*zeta, 1.0/3.0);
            amrex::Real psi_c_h = (3.0/2.0)*std::log((y*y + y + 1.0)/3.0)
                                - std::sqrt(3.0)*std::atan((2.0*y + 1.0)/std::sqrt(3.0))
                                + PI/std::sqrt(3.0);
            return ( (psi_k_h + zeta*zeta*psi_c_h) / (1. + zeta*zeta) );
        }
    }

Referenced by surface_temp_charnock::iterate_flux(), surface_temp_mod_charnock::iterate_flux(), and surface_temp::iterate_flux().

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calc_psi_m()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real similarity_funs::calc_psi_m ( amrex::Real  zeta ) const

inline

    {
        if (zeta > 0) {
            return -beta_m * zeta;
        } else {
            amrex::Real x = std::sqrt(std::sqrt(1.0 - gamma_m * zeta));
            return 2.0 * std::log(0.5 * (1.0 + x)) + log(0.5 * (1.0 + x * x)) -
                   2.0 * std::atan(x) + PIoTwo;
        }
    }

Referenced by surface_flux_charnock::iterate_flux(), surface_flux_mod_charnock::iterate_flux(), surface_flux_donelan::iterate_flux(), surface_temp_donelan::iterate_flux(), surface_flux_wave_coupled::iterate_flux(), surface_temp_wave_coupled::iterate_flux(), and surface_flux::iterate_flux().

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calc_psi_m2()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real similarity_funs::calc_psi_m2 ( amrex::Real  zeta ) const

inline

    {
        if (zeta > 0) {
            amrex::Real x = std::pow(1.0 + std::pow(zeta, 2.5), 1.0/2.5);
            return ( -6.1*std::log(zeta + x) );
        } else {
            amrex::Real x = std::pow(1.0 - 16.0*zeta, 0.25);
            amrex::Real psi_k_m =  2.0 * std::log(0.5 * (1.0 + x)) + log(0.5 * (1.0 + x * x)) -
                                   2.0 * std::atan(x) + PIoTwo;
            amrex::Real y = std::pow(1.0 - 10.0*zeta, 1.0/3.0);
            amrex::Real psi_c_m = (3.0/2.0)*std::log((y*y + y + 1.0)/3.0)
                                - std::sqrt(3.0)*std::atan((2.0*y + 1.0)/std::sqrt(3.0))
                                + PI/std::sqrt(3.0);
            return ( (psi_k_m + zeta*zeta*psi_c_m) / (1. + zeta*zeta) );
        }
    }

Referenced by surface_temp_charnock::iterate_flux(), surface_temp_mod_charnock::iterate_flux(), and surface_temp::iterate_flux().

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Member Data Documentation

beta_h

amrex::Real similarity_funs::beta_h {5.0}

private

https://doi.org/10.1007/BF00240838

Referenced by calc_psi_h().

beta_m

amrex::Real similarity_funs::beta_m {5.0}

private

Constants from Dyer, BLM, 1974.

Referenced by calc_psi_m().

gamma_h

amrex::Real similarity_funs::gamma_h {16.0}

private

Referenced by calc_psi_h().

gamma_m

amrex::Real similarity_funs::gamma_m {16.0}

private

Referenced by calc_psi_m().

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

• Source/BoundaryConditions/ERF_MOSTStress.H