tbootstrapping.hh - pism - [fork] customized build of PISM, the parallel ice sheet model (tillflux branch)
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       tbootstrapping.hh (2541B)
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            1 /* Copyright (C) 2016, 2017 PISM Authors
            2  *
            3  * This file is part of PISM.
            4  *
            5  * PISM is free software; you can redistribute it and/or modify it under the
            6  * terms of the GNU General Public License as published by the Free Software
            7  * Foundation; either version 3 of the License, or (at your option) any later
            8  * version.
            9  *
           10  * PISM is distributed in the hope that it will be useful, but WITHOUT ANY
           11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
           12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
           13  * details.
           14  *
           15  * You should have received a copy of the GNU General Public License
           16  * along with PISM; if not, write to the Free Software
           17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
           18  */
           19 
           20 #ifndef BOOTSTRAPPING_H
           21 #define BOOTSTRAPPING_H
           22 
           23 #include "pism/util/EnthalpyConverter.hh"
           24 
           25 namespace pism {
           26 
           27 class IceModelVec2S;
           28 class IceModelVec3;
           29 
           30 namespace energy {
           31 
           32 /*!
           33  * A heuristic formula for the temperature distribution within a column of ice. Used during
           34  * bootstrapping. A simple quartic guess.
           35  *
           36  * @param[in] EC enthalpy converter
           37  * @param[in] H ice thickness
           38  * @param[in] z height above the base of the ice, `0 <= z <= H`
           39  * @param[in] T_surface surface temperature, in Kelvin
           40  * @param[in] G upward basal heat flux, in `W / meter^2`
           41  * @param[in] ice_k thermal conductivity of ice
           42  */
           43 double ice_temperature_guess(EnthalpyConverter::Ptr EC,
           44                              double H, double z, double T_surface,
           45                              double G, double ice_k);
           46 
           47 /*!
           48  * A heuristic formula for the temperature distribution within a column of ice. Used during
           49  * bootstrapping. Uses the surface mass balance to set the vertical velocity at the top surface.
           50  *
           51  * @param[in] EC enthalpy converter
           52  * @param[in] H ice thickness
           53  * @param[in] z height above the base of the ice, `0 <= z <= H`
           54  * @param[in] T_surface surface temperature, in Kelvin
           55  * @param[in] G upward basal heat flux, in `W / meter^2`
           56  * @param[in] ice_k thermal conductivity of ice
           57  * @param[in] K temperature diffusivity in ice, ice_k / (ice_density * ice_c), where ice_c is the
           58  *              ice specific heat capacity
           59  * @param[in] SMB surface mass balance in `m / second`
           60  */
           61 double ice_temperature_guess_smb(EnthalpyConverter::Ptr EC,
           62                                  double H, double z, double T_surface,
           63                                  double G, double ice_k, double K, double SMB);
           64 
           65 } // end of namespace energy
           66 } // end of namespace pism
           67 
           68 #endif /* BOOTSTRAPPING_H */