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WeakEquationElectronTemperature.h
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rLAMMPS lammps
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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