ERF
Energy Research and Forecasting: An Atmospheric Modeling Code
adiabatic_wave_coupled Struct Reference

#include <ERF_MOSTStress.H>

Collaboration diagram for adiabatic_wave_coupled:

Public Member Functions

 adiabatic_wave_coupled (amrex::Real Tflux, amrex::Real Qvflux, bool use_visc)
 
AMREX_GPU_DEVICE AMREX_FORCE_INLINE void iterate_flux (const int &i, const int &j, const int &k, const int &max_iters, const amrex::Array4< const amrex::Real > &zref_arr, const amrex::Array4< amrex::Real > &z0_arr, const amrex::Array4< const amrex::Real > &umm_arr, const amrex::Array4< const amrex::Real > &tm_arr, const amrex::Array4< const amrex::Real > &, const amrex::Array4< const amrex::Real > &, const amrex::Array4< amrex::Real > &u_star_arr, const amrex::Array4< amrex::Real > &, const amrex::Array4< amrex::Real > &t_star_arr, const amrex::Array4< amrex::Real > &q_star_arr, const amrex::Array4< amrex::Real > &, const amrex::Array4< amrex::Real > &, const amrex::Array4< amrex::Real > &olen_arr, const amrex::Array4< amrex::Real > &, const amrex::Array4< amrex::Real > &Hwave_arr, const amrex::Array4< amrex::Real > &Lwave_arr, const amrex::Array4< amrex::Real > &) const
 

Private Attributes

most_data mdata
 
similarity_funs sfuns
 
const amrex::Real tol_z = amrex::Real(1.0e-10)
 
const amrex::Real eps = amrex::Real(1e-15)
 
const amrex::Real WSMIN = most_min_wind_speed
 

Detailed Description

Adiabatic with wave-coupled roughness

Constructor & Destructor Documentation

◆ adiabatic_wave_coupled()

adiabatic_wave_coupled::adiabatic_wave_coupled ( amrex::Real  Tflux,
amrex::Real  Qvflux,
bool  use_visc 
)
inline

Construct adiabatic wave-coupled roughness MOST data.

Parameters
[in]Tfluxprescribed heat flux
[in]Qvfluxprescribed moisture flux
408  {
409  mdata.surf_temp_flux = Tflux;
410  mdata.surf_moist_flux = Qvflux;
411  mdata.visc = use_visc;
412  }
most_data mdata
Definition: ERF_MOSTStress.H:483
amrex::Real surf_moist_flux
Moisture flux.
Definition: ERF_MOSTUtils.H:19
bool visc
Use viscous Charnock formulation.
Definition: ERF_MOSTUtils.H:26
amrex::Real surf_temp_flux
Heat flux TODO: decide whether this is <θ'w'> or <θv'w'> under moist conditions.
Definition: ERF_MOSTUtils.H:18

Member Function Documentation

◆ iterate_flux()

AMREX_GPU_DEVICE AMREX_FORCE_INLINE void adiabatic_wave_coupled::iterate_flux ( const int &  i,
const int &  j,
const int &  k,
const int &  max_iters,
const amrex::Array4< const amrex::Real > &  zref_arr,
const amrex::Array4< amrex::Real > &  z0_arr,
const amrex::Array4< const amrex::Real > &  umm_arr,
const amrex::Array4< const amrex::Real > &  tm_arr,
const amrex::Array4< const amrex::Real > &  ,
const amrex::Array4< const amrex::Real > &  ,
const amrex::Array4< amrex::Real > &  u_star_arr,
const amrex::Array4< amrex::Real > &  ,
const amrex::Array4< amrex::Real > &  t_star_arr,
const amrex::Array4< amrex::Real > &  q_star_arr,
const amrex::Array4< amrex::Real > &  ,
const amrex::Array4< amrex::Real > &  ,
const amrex::Array4< amrex::Real > &  olen_arr,
const amrex::Array4< amrex::Real > &  ,
const amrex::Array4< amrex::Real > &  Hwave_arr,
const amrex::Array4< amrex::Real > &  Lwave_arr,
const amrex::Array4< amrex::Real > &   
) const
inline

Iterate MOST state for one surface point.

Calling sequence
i, j, k, max_iters, zref_arr, z0_arr, umm_arr, tm_arr, tvm_arr, qvm_arr, u_star_arr, w_star_arr, t_star_arr, q_star_arr, t_surf_arr, q_surf_arr, olen_arr, pblh_arr, Hwave_arr, Lwave_arr, eta_arr.
447  {
449  amrex::Real zref = zref_arr(i,j,k);
450  amrex::Real z0 = z0_arr(i,j,k);
451  amrex::Real z0_old = z0;
452  amrex::Real psi_m = zero;
453  amrex::Real umm = std::max(umm_arr(i,j,k), WSMIN);
454  amrex::Real C = std::log(zref / z0);
455 
456  // Fixed point iteration on roughness
457  int iter_z = 0;
458  do {
459  // Transfer curr to old
460  z0_old = z0;
461 
462  // Update
463  C = std::log(zref / z0_old);
464  ustar = mdata.kappa * umm / most_bracket(C, psi_m);
465  // NOTE: air_viscosity should take T and not Th!
466  z0 = WaveCoupled_roughness(Hwave_arr(i,j,k), Lwave_arr(i,j,k), eps, ustar,
467  air_viscosity(tm_arr(i,j,k)), mdata.visc);
468  ++iter_z;
469  } while ( (std::abs(z0 - z0_old) > tol_z) && (iter_z <= max_iters) );
470  AMREX_ALWAYS_ASSERT_WITH_MESSAGE(iter_z < max_iters,
471  "Maximum number of MOST roughness iterations reached.");
472  C = std::log(zref / z0);
473 
474  // Populate the stored MOST arrays
475  z0_arr(i,j,k) = z0;
476  olen_arr(i,j,k) = bogus_large_value;
477  u_star_arr(i,j,k) = mdata.kappa * umm / most_bracket(C, psi_m);
478  t_star_arr(i,j,k) = zero;
479  q_star_arr(i,j,k) = zero;
480  }
constexpr amrex::Real bogus_large_value
Definition: ERF_Constants.H:19
Real z0
Definition: ERF_InitCustomPertVels_ScalarAdvDiff.H:12
AMREX_ALWAYS_ASSERT_WITH_MESSAGE(axis >=0 &&axis< AMREX_SPACEDIM, "prob.axis must be 0, 1 or 2")
AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real WaveCoupled_roughness(amrex::Real Hwave, amrex::Real Lwave, amrex::Real eps, amrex::Real ustar, amrex::Real nu, bool visc)
Definition: ERF_MOSTUtils.H:708
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::Real most_bracket(amrex::Real C, amrex::Real psi)
Definition: ERF_MOSTUtils.H:255
AMREX_GPU_DEVICE AMREX_FORCE_INLINE amrex::Real air_viscosity(amrex::Real T_degK)
Definition: ERF_MOSTUtils.H:581
constexpr amrex::Real zero
Definition: ERF_NumericalConstants.H:36
amrex::Real Real
Definition: ERF_ShocInterface.H:19
@ ustar
Definition: ERF_SLM.H:28
const amrex::Real eps
Definition: ERF_MOSTStress.H:493
const amrex::Real tol_z
Definition: ERF_MOSTStress.H:488
const amrex::Real WSMIN
Definition: ERF_MOSTStress.H:495
amrex::Real kappa
von Karman constant
Definition: ERF_MOSTUtils.H:16
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Member Data Documentation

◆ eps

const amrex::Real adiabatic_wave_coupled::eps = amrex::Real(1e-15)
private

Referenced by iterate_flux().

◆ mdata

most_data adiabatic_wave_coupled::mdata
private

◆ sfuns

similarity_funs adiabatic_wave_coupled::sfuns
private

◆ tol_z

const amrex::Real adiabatic_wave_coupled::tol_z = amrex::Real(1.0e-10)
private

Referenced by iterate_flux().

◆ WSMIN

const amrex::Real adiabatic_wave_coupled::WSMIN = most_min_wind_speed
private

Referenced by iterate_flux().


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