forked from lijiext/lammps
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
#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
|