Hooke.hh

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#ifndef _HOOKE_H_
#define _HOOKE_H_
 
#include "pism/rheology/PatersonBudd.hh"
 
namespace pism {
namespace rheology {
 
//! The Hooke flow law.
class Hooke : public PatersonBudd {
public:
  Hooke(const std::string &prefix, const Config &config, EnthalpyConverter::Ptr EC);
  virtual ~Hooke() = default;
protected:
  virtual double softness_from_temp(double T_pa) const;
 
  double m_A_Hooke, m_Q_Hooke, m_C_Hooke, m_K_Hooke, m_Tr_Hooke; // constants from Hooke (1981)
  // R_Hooke is the ideal_gas_constant.
};
 
} // end of namespace rheology
} // end of namespace pism
 
 
#endif /* _HOOKE_H_ */