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WeakEquationElectronTemperature.h
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Thu, Aug 22, 03:15

WeakEquationElectronTemperature.h
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#ifndef WEAK_EQUATION_ELECTRON_TEMPERATURE_H
#define WEAK_EQUATION_ELECTRON_TEMPERATURE_H
#include <set>
#include <string>
#include "WeakEquation.h"
namespace ATC{
/**
* @class WeakEquationElectronTemperature
* @brief Electron temperature
* c T_e,t = div q_e + g(T_e-T_p) -->
* int M c T_e,t = int B q_e + int N g
*/
class WeakEquationElectronTemperature : public WeakEquation {
public:
// constructor
WeakEquationElectronTemperature();
// destructor
virtual ~WeakEquationElectronTemperature();
/** 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 &grad_fields,
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 &grad_fields,
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 &grad_fields,
const Material * material,
DENS_MAT &flux) const ;
/** necessary interfaces */
virtual std::set<std::string> needs_material_functions(void) const
{
std::string list[4] = {"electron_thermal_energy",
"electron_heat_capacity",
"electron_phonon_exchange",
"electron_heat_flux"};
std::set<std::string> needs(list,list+4);
return needs;
}
};
/**
* @class WeakEquationElectronTemperatureJouleHeating
* @brief Electron temperature with Joule heating
* c T_e,t = div q_e + g(T_e-T_p) + J.E -->
* int M c T_e,t = int B q_e + int N ( g + J.E)
*/
class WeakEquationElectronTemperatureJouleHeating :
public WeakEquationElectronTemperature
{
public:
// constructor
WeakEquationElectronTemperatureJouleHeating();
// destructor
virtual ~WeakEquationElectronTemperatureJouleHeating();
/** 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 &grad_fields,
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 &grad_fields,
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 &grad_fields,
const Material * material,
DENS_MAT &flux) const;
/** necessary interfaces */
virtual std::set<std::string> needs_material_functions(void) const
{
std::set<std::string> needs
= WeakEquationElectronTemperature::needs_material_functions();
needs.insert("electric_field");
return needs;
}
protected:
/** conversion factor for charge * voltage --> mass length^2 / time^2 */
double eV2E_;
mutable DENS_MAT_VEC _J_, _E_;
};
/**
* @class WeakEquationElectronTemperatureConvection
* @brief Electron temperature with convection
* c ( T_e,t + grad m_e J.E T_e / e ) = div q_e + g(T_e-T_p) + c n T_e grad J.E/(n e) -->
* int M c T_e,t = int B ( q_e - c m_e J.E T_e / e ) + int N ( g + c n T_e grad J.E/(n e) )
*/
class WeakEquationElectronTemperatureConvection :
public WeakEquationElectronTemperature
{
public:
// constructor
WeakEquationElectronTemperatureConvection();
// destructor
virtual ~WeakEquationElectronTemperatureConvection();
/** 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 &grad_fields,
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 &grad_fields,
const Material * material,
DENS_MAT &flux) const;
/** necessary interfaces */
virtual std::set<std::string> needs_material_functions(void) const
{
std::set<std::string> needs
= WeakEquationElectronTemperature::needs_material_functions();
needs.insert("electron_drag_power");
return needs;
}
protected:
/** workspace variable for the convective flux */
mutable DENS_MAT_VEC _convectiveFlux_;
};
}; // end namespace
#endif

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