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WeakEquationMassDiffusion.h
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Created
Thu, Aug 22, 05:24
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1 KB
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text/x-c
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Sat, Aug 24, 05:24 (2 d)
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blob
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Raw Data
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20081621
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rLAMMPS lammps
WeakEquationMassDiffusion.h
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#ifndef WEAK_EQUATION_MASS_DIFFUSION_H
#define WEAK_EQUATION_MASS_DIFFUSION_H
#include <set>
#include <string>
#include "WeakEquation.h"
namespace
ATC
{
/**
* @class WeakEquationMassDiffusion
* @brief Mass diffusion
* c rho,t = div rho -->
* int M c rho,t = int B rho
*/
class
WeakEquationMassDiffusion
:
public
WeakEquation
{
public:
// constructor
WeakEquationMassDiffusion
();
// destructor
virtual
~
WeakEquationMassDiffusion
();
/** 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
;
/** necessary interfaces */
virtual
std
::
set
<
std
::
string
>
needs_material_functions
(
void
)
const
{
std
::
string
list
[
1
]
=
{
"mass_density"
};
std
::
set
<
std
::
string
>
needs
(
list
,
list
+
1
);
return
needs
;
}
};
};
#endif
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