Saltation.h

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/*
 *  SNOWPACK stand-alone
 *
 *  Copyright WSL Institute for Snow and Avalanche Research SLF, DAVOS, SWITZERLAND
*/
/*  This file is part of Snowpack.
    Snowpack is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Snowpack is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with Snowpack.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SALTATION_H
#define SALTATION_H
 
#include <meteoio/MeteoIO.h>
#include <string.h>
 
#include <snowpack/SnowpackConfig.h>
 
class Saltation {
        public:
                Saltation(const SnowpackConfig& i_cfg);
 
                bool compSaltation(const double& tauS, const double& tau_th, const double& slope_angle, const double& dg,
                                   double& massflux, double& c_salt) const;
 
                static const double karman;
                static const double z0_salt;
 
        private:
                static double sa_vw(const double& z, const double& tauA, const double& tauS, const double& z0,
                     const double& u_start, const double& slope_angle);
                static double sa_vw2(const double& z, const double& tauA, const double& tauS, const double& z0,
                      const double& u_start, const double& slope_angle);
 
                static bool sa_Traject(const double& u0, const double& angle_e_rad, const double& slope_angle, const double& dg,
                                const double& tauA, const double& tauS, const double& z0,
                                double& ubar, double& u_i, double& angle_i_rad, double& t_i, double& z_max);
 
                static double sa_MassFlux(const double& z0, const double& tauS, const double& tauA, const double& slope_angle,
                                   const double& dg, const double& tau_th, double& z_max, double& ubar, double& cs);
 
                static double sa_AeroEntrain(const double& z0, const double& tauS, const double& slope_angle, const double& dg,
                                      const double& tau_th, double& flux, double& z_max, double& ubar, double& cs);
 
                static int sa_TestSaltation(const double& z0, const double& tauS, const double& tauA, const double& slope_angle,
                                     const double& dg, const double& tau_th, double& z_max, double& ubar);
 
                const std::string saltation_model;
                static const double hs_frac, elas, angle_ej, ratio_ve_ustar, salt_height;
                static const int strong, weak;
};
 
#endif