HNAcousticProperty.hpp

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#ifndef HNACOUSTICPROPERTY_HPP
#define HNACOUSTICPROPERTY_HPP

#include "AcousticProperty.hpp"
#include "Vacuum.hpp"


class HNAcousticProperty : public AcousticProperty {
  double tau_epsln;
  double tau_sigma;
  double a; 
public:
  HNAcousticProperty();
  HNAcousticProperty(const std::string &name);
  HNAcousticProperty(const double bulk_modls,
                     const double density,
                     const double relax_time,
                     const double retrd_time,
                     const double frac_exp);
  HNAcousticProperty(Material *m,
                     const double bulk_modls,
                     const double density,
                     const double relax_time,
                     const double retrd_time,
                     const double frac_exp);
  HNAcousticProperty(const HNAcousticProperty &the_property);
  HNAcousticProperty & operator=(const HNAcousticProperty &the_property);
  HNAcousticProperty * clone() const;
  void print() const;
  ~HNAcousticProperty();

  virtual std::complex<double> getAcousticWaveNumber(const double freq) const;

  virtual std::complex<double> getAcousticImpedance(const double freq) const;
  
  virtual double getEquivalentBulkModulus(const double freq) const;
  virtual double getEquivalentConductivity(const double freq) const;
};

#endif