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WeakEquationDiffusion.h
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Created
Thu, Oct 10, 04:53
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text/x-c
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Sat, Oct 12, 04:53 (1 d, 23 h)
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rLAMMPS lammps
WeakEquationDiffusion.h
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#ifndef WEAK_EQUATION_DIFFUSION_H
#define WEAK_EQUATION_DIFFUSION_H
#include <set>
#include <string>
#include "WeakEquation.h"
namespace
ATC
{
/**
* @class WeakEquationDiffusion
* @brief species diffusion
* c q,t = div q -->
* int M c q,t = int B q
*/
class
WeakEquationDiffusion
:
public
WeakEquation
{
public:
// constructor
WeakEquationDiffusion
();
// destructor
virtual
~
WeakEquationDiffusion
();
/** 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
false
;}
// note 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
;
return
needs
;
}
};
};
#endif
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