ATC version 2.0, date: Aug7
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10561 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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rjones
177
lib/atc/WeakEquationElectronTemperature.h
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177
lib/atc/WeakEquationElectronTemperature.h
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#ifndef WEAK_EQUATION_ELECTRON_TEMPERATURE_H
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#define WEAK_EQUATION_ELECTRON_TEMPERATURE_H
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#include "WeakEquation.h"
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namespace ATC{
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/**
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* @class WeakEquationElectronTemperature
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* @brief Electron temperature
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* c T_e,t = div q_e + g(T_e-T_p) -->
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* int M c T_e,t = int B q_e + int N g
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*/
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class WeakEquationElectronTemperature : public WeakEquation {
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public:
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// constructor
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WeakEquationElectronTemperature();
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// destructor
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virtual ~WeakEquationElectronTemperature();
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/** integrand that used to form the energy */
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virtual bool has_E_integrand(void) const {return true;}
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virtual void E_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT &energy ) const ;
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/** density that used to form the mass matrix */
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virtual bool has_M_integrand(void) const {return true;}
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virtual void M_integrand(const FIELD_MATS &fields,
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const Material * material,
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DENS_MAT &density ) const ;
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/** flux that is integrated with B = Grad N as its weight */
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virtual bool has_B_integrand(void) const {return true;}
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virtual void B_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT_VEC &flux) const ;
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/** flux that is integrated with N as its weight */
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virtual bool has_N_integrand(void) const {return true;}
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virtual bool N_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT &flux) const ;
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/** necessary interfaces */
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virtual set<string> needs_material_functions(void) const
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{
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string list[4] = {"electron_thermal_energy",
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"electron_heat_capacity",
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"electron_phonon_exchange",
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"electron_heat_flux"};
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set<string> needs(list,list+4);
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return needs;
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}
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};
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/**
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* @class WeakEquationElectronTemperatureJouleHeating
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* @brief Electron temperature with Joule heating
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* c T_e,t = div q_e + g(T_e-T_p) + J.E -->
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* int M c T_e,t = int B q_e + int N ( g + J.E)
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*/
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class WeakEquationElectronTemperatureJouleHeating :
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public WeakEquationElectronTemperature
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{
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public:
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// constructor
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WeakEquationElectronTemperatureJouleHeating();
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// destructor
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virtual ~WeakEquationElectronTemperatureJouleHeating();
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/** integrand that used to form the energy */
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virtual bool has_E_integrand(void) const {return true;}
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virtual void E_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT &energy ) const;
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/** density that used to form the mass matrix */
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virtual bool has_M_integrand(void) const {return true;}
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virtual void M_integrand(const FIELD_MATS &fields,
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const Material * material,
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DENS_MAT &density ) const;
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/** flux that is integrated with B = Grad N as its weight */
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virtual bool has_B_integrand(void) const {return true;}
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virtual void B_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT_VEC &flux) const;
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/** flux that is integrated with N as its weight */
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virtual bool has_N_integrand(void) const {return true;}
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virtual bool N_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT &flux) const;
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/** necessary interfaces */
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virtual set<string> needs_material_functions(void) const
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{
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set<string> needs
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= WeakEquationElectronTemperature::needs_material_functions();
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needs.insert("electric_field");
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return needs;
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}
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protected:
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/** conversion factor for charge * voltage --> mass length^2 / time^2 */
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double eV2E_;
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mutable DENS_MAT_VEC _J_, _E_;
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};
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/**
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* @class WeakEquationElectronTemperatureConvection
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* @brief Electron temperature with convection
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* 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) -->
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* 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) )
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*/
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class WeakEquationElectronTemperatureConvection :
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public WeakEquationElectronTemperature
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{
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public:
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// constructor
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WeakEquationElectronTemperatureConvection();
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// destructor
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virtual ~WeakEquationElectronTemperatureConvection();
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/** flux that is integrated with B = Grad N as its weight */
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virtual bool has_B_integrand(void) const {return true;}
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virtual void B_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT_VEC &flux) const;
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/** flux that is integrated with N as its weight */
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virtual bool has_N_integrand(void) const {return true;}
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virtual bool N_integrand(const FIELD_MATS &fields,
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const GRAD_FIELD_MATS &grad_fields,
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const Material * material,
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DENS_MAT &flux) const;
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/** necessary interfaces */
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virtual set<string> needs_material_functions(void) const
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{
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set<string> needs
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= WeakEquationElectronTemperature::needs_material_functions();
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needs.insert("electron_drag_power");
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return needs;
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}
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protected:
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/** workspace variable for the convective flux */
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mutable DENS_MAT_VEC _convectiveFlux_;
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};
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}; // end namespace
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#endif
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