tPatersonBudd.hh - pism - [fork] customized build of PISM, the parallel ice sheet model (tillflux branch)
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       tPatersonBudd.hh (1751B)
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            1 /* Copyright (C) 2015 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 _PATERSONBUDD_H_
           21 #define _PATERSONBUDD_H_
           22 
           23 #include "FlowLaw.hh"
           24 
           25 namespace pism {
           26 namespace rheology {
           27 
           28 //! Derived class of FlowLaw for Paterson-Budd (1982)-Glen ice.
           29 class PatersonBudd : public FlowLaw {
           30 public:
           31   PatersonBudd(const std::string &prefix,
           32                const Config &config,
           33                EnthalpyConverter::Ptr EC);
           34   virtual ~PatersonBudd();
           35 
           36 protected:
           37   virtual double flow_impl(double stress, double E,
           38                            double pressure, double gs) const;
           39   // This also takes care of hardness
           40   virtual double softness_impl(double enthalpy, double pressure) const;
           41 
           42   virtual double softness_from_temp(double T_pa) const;
           43   virtual double hardness_from_temp(double T_pa) const;
           44 
           45   // special temperature-dependent method
           46   virtual double flow_from_temp(double stress, double temp,
           47                                 double pressure, double gs) const;
           48 };
           49 
           50 } // end of namespace rheology
           51 } // end of namespace pism
           52 
           53 
           54 #endif /* _PATERSONBUDD_H_ */