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WeakEquationPhononTemperature.h
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Thu, Oct 10, 06:16

WeakEquationPhononTemperature.h
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#ifndef WEAK_EQUATION_PHONON_TEMPERATURE_H
#define WEAK_EQUATION_PHONON_TEMPERATURE_H
#include <set>
#include <string>
#include "WeakEquation.h"
namespace ATC{
/**
* @class WeakEquationPhononTemperature
* @brief Phonon temperature
* c T_p,t = div q_p -->
* int M c T_p,t = int B q_p
*/
class WeakEquationPhononTemperature : public WeakEquation {
public:
// constructor
WeakEquationPhononTemperature();
// destructor
virtual ~WeakEquationPhononTemperature();
/** integrand that used to form the energy */
virtual bool has_E_integrand(void) const {return true;}
virtual void E_integrand(const FIELD_MATS &fields,
const GRAD_FIELD_MATS &gradFields,
const Material * material,
DENS_MAT &energy ) const ;
/** density that used to form the mass matrix */
virtual bool has_M_integrand(void) const {return true;}
virtual void M_integrand(const FIELD_MATS &fields,
const Material * material,
DENS_MAT &density ) const ;
/** flux that is integrated with B = Grad N as its weight */
virtual bool has_B_integrand(void) const {return true;}
virtual void B_integrand(const FIELD_MATS &fields,
const GRAD_FIELD_MATS &gradFields,
const Material * material,
DENS_MAT_VEC &flux) const ;
/** necessary interfaces */
virtual std::set<std::string> needs_material_functions(void) const
{
std::string list[3] = {"thermal_energy","heat_capacity","heat_flux"};
std::set<std::string> needs(list,list+3);
return needs;
}
};
/**
* @class WeakEquationPhononTemperatureExchange
* @brief Phonon temperature with exchange to electrons
* c T_p,t = div q_p + g(T_p-T_e) -->
* int M c T_p,t = int B q_p + int N g
*/
class WeakEquationPhononTemperatureExchange :
public WeakEquationPhononTemperature {
public:
// constructor
WeakEquationPhononTemperatureExchange();
// destructor
virtual ~WeakEquationPhononTemperatureExchange();
/** integrand that used to form the energy */
virtual bool has_E_integrand(void) const {return true;}
virtual void E_integrand(const FIELD_MATS &fields,
const GRAD_FIELD_MATS &gradFields,
const Material * material,
DENS_MAT &energy ) const;
/** density that used to form the mass matrix */
virtual bool has_M_integrand(void) const {return true;}
virtual void M_integrand(const FIELD_MATS &fields,
const Material * material,
DENS_MAT &density ) const;
/** flux that is integrated with B = Grad N as its weight */
virtual bool has_B_integrand(void) const {return true;}
virtual void B_integrand(const FIELD_MATS &fields,
const GRAD_FIELD_MATS &gradFields,
const Material * material,
DENS_MAT_VEC &flux) const;
/** flux that is integrated with N as its weight */
virtual bool has_N_integrand(void) const {return true;}
virtual bool N_integrand(const FIELD_MATS &fields,
const GRAD_FIELD_MATS &gradFields,
const Material * material,
DENS_MAT &flux) const;
/** necessary interfaces */
virtual std::set<std::string> needs_material_functions(void) const
{
std::set<std::string> needs
= WeakEquationPhononTemperature::needs_material_functions();
needs.insert("electron_phonon_exchange");
return needs;
}
};
}; // namespace
#endif

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