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WeakEquationElectronContinuity.h
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Wed, Nov 13, 11:03

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

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