forked from lijiext/lammps
109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
#ifndef WEAK_EQUATION_ELECTRON_CONTINUITY_H
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#define WEAK_EQUATION_ELECTRON_CONTINUITY_H
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#include <set>
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#include <string>
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#include "WeakEquation.h"
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namespace ATC{
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/**
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* @class WeakEquationElectronContinuity
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* @brief Electron continuity
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* n,t = div J + (G-R) -->
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* M n,t = int B J + int N (G-R)
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*/
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class WeakEquationElectronContinuity : public WeakEquation {
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public:
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// constructor
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WeakEquationElectronContinuity();
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// destructor
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virtual ~WeakEquationElectronContinuity();
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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 std::set<std::string> needs_material_functions(void) const
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{
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std::string list[2] = {"electron_flux","electron_recombination"};
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std::set<std::string> needs(list,list+2);
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return needs;
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}
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};
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/**
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* @class WeakEquationElectronEquilibrium
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* @brief Electron continuity from equilibrium
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* n = n(\phi)
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* M n = int N n(\phi)
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*/
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class WeakEquationElectronEquilibrium : public WeakEquation {
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public:
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// constructor
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WeakEquationElectronEquilibrium();
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// destructor
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virtual ~WeakEquationElectronEquilibrium();
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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 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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/** 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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/** necessary interfaces */
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virtual std::set<std::string> needs_material_functions(void) const
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{
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std::set<std::string> needs;
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needs.insert("electron_charge_density");
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return needs;
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}
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};
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};
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#endif
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