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PISM, A Parallel Ice Sheet Model 2.2.1-cd005eec8 committed by Constantine Khrulev on 2025-03-07
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utilities.hh
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1/* Copyright (C) 2016, 2018 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 UTILITIES_H
21#define UTILITIES_H
22
23namespace pism {
24
25namespace array {
26class Array3D;
27class Scalar;
28}
29
30namespace energy {
31
32void compute_temperature(const array::Array3D &enthalpy,
33 const array::Scalar &ice_thickness,
34 array::Array3D &result);
35
36void compute_enthalpy(const array::Array3D &temperature,
37 const array::Array3D &liquid_water_fraction,
38 const array::Scalar &ice_thickness,
39 array::Array3D &result);
40
41void compute_enthalpy_cold(const array::Array3D &temperature,
42 const array::Scalar &ice_thickness,
43 array::Array3D &result);
44
45void compute_liquid_water_fraction(const array::Array3D &enthalpy,
46 const array::Scalar &ice_thickness,
47 array::Array3D &result);
48
49void compute_cts(const array::Array3D &enthalpy,
50 const array::Scalar &ice_thickness,
51 array::Array3D &result);
52
53double total_ice_enthalpy(double thickness_threshold,
54 const array::Array3D &ice_enthalpy,
55 const array::Scalar &ice_thickness);
56
57void bootstrap_ice_temperature(const array::Scalar &ice_thickness,
58 const array::Scalar &ice_surface_temp,
59 const array::Scalar &surface_mass_balance,
60 const array::Scalar &basal_heat_flux,
61 array::Array3D &result);
62
63void bootstrap_ice_enthalpy(const array::Scalar &ice_thickness,
64 const array::Scalar &ice_surface_temp,
65 const array::Scalar &surface_mass_balance,
66 const array::Scalar &basal_heat_flux,
67 array::Array3D &result);
68
69} // end of namespace energy
70} // end of namespace pism
71
72#endif /* UTILITIES_H */
void compute_liquid_water_fraction(const array::Array3D &enthalpy, const array::Scalar &ice_thickness, array::Array3D &result)
Compute the liquid fraction corresponding to enthalpy and ice_thickness.
Definition utilities.cc:136
void bootstrap_ice_temperature(const array::Scalar &ice_thickness, const array::Scalar &ice_surface_temp, const array::Scalar &surface_mass_balance, const array::Scalar &basal_heat_flux, array::Array3D &result)
Create a temperature field within the ice from provided ice thickness, surface temperature,...
Definition utilities.cc:327
void compute_cts(const array::Array3D &ice_enthalpy, const array::Scalar &ice_thickness, array::Array3D &result)
Compute the CTS field, CTS = E/E_s(p), from ice_enthalpy and ice_thickness, and put in result.
Definition utilities.cc:179
void compute_enthalpy_cold(const array::Array3D &temperature, const array::Scalar &ice_thickness, array::Array3D &result)
Compute ice enthalpy from temperature temperature by assuming the ice has zero liquid fraction.
Definition utilities.cc:48
void compute_temperature(const array::Array3D &enthalpy, const array::Scalar &ice_thickness, array::Array3D &result)
Definition utilities.cc:76
void bootstrap_ice_enthalpy(const array::Scalar &ice_thickness, const array::Scalar &ice_surface_temp, const array::Scalar &surface_mass_balance, const array::Scalar &basal_heat_flux, array::Array3D &result)
Definition utilities.cc:439
void compute_enthalpy(const array::Array3D &temperature, const array::Array3D &liquid_water_fraction, const array::Scalar &ice_thickness, array::Array3D &result)
Compute result (enthalpy) from temperature and liquid fraction.
Definition utilities.cc:105
double total_ice_enthalpy(double thickness_threshold, const array::Array3D &ice_enthalpy, const array::Scalar &ice_thickness)
Computes the total ice enthalpy in J.
Definition utilities.cc:218