Rheolef
7.1
an efficient C++ finite element environment
sinusprod_laplace.h
Go to the documentation of this file.
1
#include "
sinusprod.h
"
26
struct
f
{
27
Float
operator()
(
const
point
& x)
const
{
return
d
*sqr(
pi
)*
_u
(x); }
28
f
(
size_t
d1) :
d
(d1),
_u
(d1),
pi
(acos(
Float
(-1))) {}
29
size_t
d
;
30
u_exact
_u
;
Float
pi
;
31
};
32
struct
g
{
33
Float
operator()
(
const
point
& x)
const
{
34
switch
(
d
) {
35
case
0:
return
0;
36
case
1:
return
-
pi
;
37
case
2:
return
-
pi
*(sin(
pi
*x[0]) + sin(
pi
*x[1]));
38
default
:
return
-
pi
*( sin(
pi
*x[0])*sin(
pi
*x[1])
39
+ sin(
pi
*x[1])*sin(
pi
*x[2])
40
+ sin(
pi
*x[2])*sin(
pi
*x[0]));
41
}
42
}
43
g
(
size_t
d1) :
d
(d1),
pi
(acos(
Float
(-1))) {}
44
size_t
d
;
Float
pi
;
45
};
sinusprod.h
The sinus product function.
f::f
f(size_t d1)
Definition:
sinusprod_laplace.h:28
g::g
g(size_t d1)
Definition:
sinusprod_laplace.h:43
g::d
size_t d
Definition:
sinusprod_helmholtz.h:45
f::d
size_t d
Definition:
cosinusprod_dirichlet.h:30
g::pi
const Float pi
Definition:
cosinusprod_laplace.h:35
f::operator()
point operator()(const point &x) const
Definition:
cavity_dg.h:30
Float
see the Float page for the full documentation
f::_u
u_exact _u
Definition:
sinusprod_dirichlet.h:30
u_exact
Definition:
interpolate_RTk_polynom.icc:125
point
see the point page for the full documentation
f::pi
const Float pi
Definition:
cosinusprod_dirichlet.h:30
g::operator()
point operator()(const point &x) const
Definition:
cavity_dg.h:26
g
Definition:
cavity_dg.h:25
f
Definition:
cavity_dg.h:29
g::pi
Float pi
Definition:
sinusprod_laplace.h:44