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ElectronHeatFlux.h
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Mon, Oct 7, 07:26
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rLAMMPS lammps
ElectronHeatFlux.h
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#ifndef ELECTRON_HEAT_FLUX_H
#define ELECTRON_HEAT_FLUX_H
#include <map>
#include <string>
using
std
::
map
;
using
std
::
string
;
#include "MatrixLibrary.h"
#include "ATC_TypeDefs.h"
#include "ElectronFlux.h"
namespace
ATC
{
class
ElectronHeatFlux
{
public:
ElectronHeatFlux
()
{};
virtual
~
ElectronHeatFlux
()
{};
/** computes heat flux */
virtual
void
electron_heat_flux
(
const
FIELDS
&
fields
,
const
GRAD_FIELDS
&
gradFields
,
GRAD_FIELD
&
flux
)
=
0
;
};
//-----------------------------------------------------------------------
class
ElectronHeatFluxLinear
:
public
ElectronHeatFlux
{
public:
ElectronHeatFluxLinear
(
fstream
&
matfile
,
map
<
string
,
double
>
&
parameters
);
virtual
~
ElectronHeatFluxLinear
()
{};
virtual
void
electron_heat_flux
(
const
FIELDS
&
fields
,
const
GRAD_FIELDS
&
gradFields
,
GRAD_FIELD
&
flux
)
{
// flux = -ke dTe/dx
const
GRAD_FIELD
&
dT
=
(
gradFields
.
find
(
ELECTRON_TEMPERATURE
))
->
second
;
flux
.
push_back
(
-
conductivity_
*
dT
[
0
]);
flux
.
push_back
(
-
conductivity_
*
dT
[
1
]);
flux
.
push_back
(
-
conductivity_
*
dT
[
2
]);
};
protected
:
double
conductivity_
;
};
//-----------------------------------------------------------------------
class
ElectronHeatFluxPowerLaw
:
public
ElectronHeatFlux
{
public:
ElectronHeatFluxPowerLaw
(
fstream
&
matfile
,
map
<
string
,
double
>
&
parameters
);
virtual
~
ElectronHeatFluxPowerLaw
()
{};
virtual
void
electron_heat_flux
(
const
FIELDS
&
fields
,
const
GRAD_FIELDS
&
gradFields
,
GRAD_FIELD
&
flux
)
{
// flux = -ke * ( Te / T ) dT;
const
GRAD_FIELD
dT
=
(
gradFields
.
find
(
ELECTRON_TEMPERATURE
))
->
second
;
const
FIELD
&
T
=
(
fields
.
find
(
TEMPERATURE
))
->
second
;
const
FIELD
&
Te
=
(
fields
.
find
(
ELECTRON_TEMPERATURE
))
->
second
;
flux
.
push_back
(
dT
[
0
]);
flux
.
push_back
(
dT
[
1
]);
flux
.
push_back
(
dT
[
2
]);
FIELD
k_e
;
k_e
=
(
-
conductivity_
*
Te
)
/
T
;
flux
[
0
]
*=
k_e
;
flux
[
1
]
*=
k_e
;
flux
[
2
]
*=
k_e
;
};
protected
:
double
conductivity_
;
};
//-----------------------------------------------------------------------
class
ElectronHeatFluxThermopower
:
public
ElectronHeatFlux
{
public:
ElectronHeatFluxThermopower
(
fstream
&
matfile
,
map
<
string
,
double
>
&
parameters
,
/*const*/
ElectronFlux
*
electronFlux
=
NULL
);
virtual
~
ElectronHeatFluxThermopower
()
{};
virtual
void
electron_heat_flux
(
const
FIELDS
&
fields
,
const
GRAD_FIELDS
&
gradFields
,
GRAD_FIELD
&
flux
)
{
// flux = -ke * ( Te / T ) dT + pi J_e;
const
GRAD_FIELD
dT
=
(
gradFields
.
find
(
ELECTRON_TEMPERATURE
))
->
second
;
const
FIELD
&
T
=
(
fields
.
find
(
TEMPERATURE
))
->
second
;
const
FIELD
&
Te
=
(
fields
.
find
(
ELECTRON_TEMPERATURE
))
->
second
;
flux
.
push_back
(
dT
[
0
]);
flux
.
push_back
(
dT
[
1
]);
flux
.
push_back
(
dT
[
2
]);
FIELD
k_e
;
k_e
=
(
-
conductivity_
*
Te
)
/
T
;
flux
[
0
]
*=
k_e
;
flux
[
1
]
*=
k_e
;
flux
[
2
]
*=
k_e
;
GRAD_FIELD
tmp
;
electronFlux_
->
electron_flux
(
fields
,
gradFields
,
tmp
);
tmp
[
0
]
*=
Te
;
tmp
[
1
]
*=
Te
;
tmp
[
2
]
*=
Te
;
flux
[
0
]
+=
seebeckCoef_
*
tmp
[
0
];
flux
[
1
]
+=
seebeckCoef_
*
tmp
[
1
];
flux
[
2
]
+=
seebeckCoef_
*
tmp
[
2
];
};
protected
:
double
conductivity_
,
seebeckCoef_
;
ElectronFlux
*
electronFlux_
;
};
}
#endif
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