Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F86789630
manifold_torus.cpp
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Tue, Oct 8, 15:22
Size
833 B
Mime Type
text/x-c
Expires
Thu, Oct 10, 15:22 (1 d, 22 h)
Engine
blob
Format
Raw Data
Handle
21483090
Attached To
rLAMMPS lammps
manifold_torus.cpp
View Options
#include <math.h>
#include "manifold_torus.h"
#include "error.h"
using
namespace
LAMMPS_NS
;
using
namespace
user_manifold
;
manifold_torus
::
manifold_torus
(
LAMMPS
*
lmp
,
int
argc
,
char
**
argv
)
:
manifold
(
lmp
)
{}
double
manifold_torus
::
g
(
const
double
*
x
)
{
double
R
=
params
[
0
];
double
r
=
params
[
1
];
if
(
R
<
r
){
error
->
all
(
FLERR
,
"Large radius < small radius!"
);
}
double
rad
=
sqrt
(
x
[
0
]
*
x
[
0
]
+
x
[
1
]
*
x
[
1
]);
double
c
=
R
-
rad
;
return
c
*
c
+
x
[
2
]
*
x
[
2
]
-
r
*
r
;
}
void
manifold_torus
::
n
(
const
double
*
x
,
double
*
n
)
{
double
R
=
params
[
0
];
double
r
=
params
[
1
];
if
(
R
<
r
){
error
->
all
(
FLERR
,
"Large radius < small radius!"
);
}
double
rad
=
sqrt
(
x
[
0
]
*
x
[
0
]
+
x
[
1
]
*
x
[
1
]);
double
c
=
R
-
rad
;
double
fac
=
c
/
rad
;
n
[
0
]
=
-
2.0
*
fac
*
x
[
0
];
n
[
1
]
=
-
2.0
*
fac
*
x
[
1
];
n
[
2
]
=
2.0
*
x
[
2
];
}
Event Timeline
Log In to Comment