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openfoam
Commits
9bf0087f
Commit
9bf0087f
authored
12 years ago
by
andy
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ENH: Added intersection test to tetOverlapVolume
parent
e5b4b6d9
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src/meshTools/tetOverlapVolume/tetOverlapVolume.C
+129
-0
129 additions, 0 deletions
src/meshTools/tetOverlapVolume/tetOverlapVolume.C
src/meshTools/tetOverlapVolume/tetOverlapVolume.H
+11
-1
11 additions, 1 deletion
src/meshTools/tetOverlapVolume/tetOverlapVolume.H
with
140 additions
and
1 deletion
src/meshTools/tetOverlapVolume/tetOverlapVolume.C
+
129
−
0
View file @
9bf0087f
...
...
@@ -130,6 +130,135 @@ Foam::treeBoundBox Foam::tetOverlapVolume::pyrBb
// * * * * * * * * * * * Public Member Functions * * * * * * * * * * * * * //
bool
Foam
::
tetOverlapVolume
::
cellCellOverlapMinDecomp
(
const
primitiveMesh
&
meshA
,
const
label
cellAI
,
const
primitiveMesh
&
meshB
,
const
label
cellBI
,
const
treeBoundBox
&
cellBbB
,
const
scalar
threshold
)
const
{
const
cell
&
cFacesA
=
meshA
.
cells
()[
cellAI
];
const
point
&
ccA
=
meshA
.
cellCentres
()[
cellAI
];
const
cell
&
cFacesB
=
meshB
.
cells
()[
cellBI
];
const
point
&
ccB
=
meshB
.
cellCentres
()[
cellBI
];
scalar
vol
=
0
.
0
;
forAll
(
cFacesA
,
cFA
)
{
label
faceAI
=
cFacesA
[
cFA
];
const
face
&
fA
=
meshA
.
faces
()[
faceAI
];
const
treeBoundBox
pyrA
=
pyrBb
(
meshA
.
points
(),
fA
,
ccA
);
if
(
!
pyrA
.
overlaps
(
cellBbB
))
{
continue
;
}
bool
ownA
=
(
meshA
.
faceOwner
()[
faceAI
]
==
cellAI
);
label
tetBasePtAI
=
0
;
const
point
&
tetBasePtA
=
meshA
.
points
()[
fA
[
tetBasePtAI
]];
for
(
label
tetPtI
=
1
;
tetPtI
<
fA
.
size
()
-
1
;
tetPtI
++
)
{
label
facePtAI
=
(
tetPtI
+
tetBasePtAI
)
%
fA
.
size
();
label
otherFacePtAI
=
fA
.
fcIndex
(
facePtAI
);
label
pt0I
=
-
1
;
label
pt1I
=
-
1
;
if
(
ownA
)
{
pt0I
=
fA
[
facePtAI
];
pt1I
=
fA
[
otherFacePtAI
];
}
else
{
pt0I
=
fA
[
otherFacePtAI
];
pt1I
=
fA
[
facePtAI
];
}
const
tetPoints
tetA
(
ccA
,
tetBasePtA
,
meshA
.
points
()[
pt0I
],
meshA
.
points
()[
pt1I
]
);
const
treeBoundBox
tetABb
(
tetA
.
bounds
());
// Loop over tets of cellB
forAll
(
cFacesB
,
cFB
)
{
label
faceBI
=
cFacesB
[
cFB
];
const
face
&
fB
=
meshB
.
faces
()[
faceBI
];
const
treeBoundBox
pyrB
=
pyrBb
(
meshB
.
points
(),
fB
,
ccB
);
if
(
!
pyrB
.
overlaps
(
pyrA
))
{
continue
;
}
bool
ownB
=
(
meshB
.
faceOwner
()[
faceBI
]
==
cellBI
);
label
tetBasePtBI
=
0
;
const
point
&
tetBasePtB
=
meshB
.
points
()[
fB
[
tetBasePtBI
]];
for
(
label
tetPtI
=
1
;
tetPtI
<
fB
.
size
()
-
1
;
tetPtI
++
)
{
label
facePtBI
=
(
tetPtI
+
tetBasePtBI
)
%
fB
.
size
();
label
otherFacePtBI
=
fB
.
fcIndex
(
facePtBI
);
label
pt0I
=
-
1
;
label
pt1I
=
-
1
;
if
(
ownB
)
{
pt0I
=
fB
[
facePtBI
];
pt1I
=
fB
[
otherFacePtBI
];
}
else
{
pt0I
=
fB
[
otherFacePtBI
];
pt1I
=
fB
[
facePtBI
];
}
const
tetPoints
tetB
(
ccB
,
tetBasePtB
,
meshB
.
points
()[
pt0I
],
meshB
.
points
()[
pt1I
]
);
if
(
!
tetB
.
bounds
().
overlaps
(
tetABb
))
{
continue
;
}
vol
+=
tetTetOverlapVol
(
tetA
,
tetB
);
if
(
vol
>
threshold
)
{
return
true
;
}
}
}
}
}
return
false
;
}
Foam
::
scalar
Foam
::
tetOverlapVolume
::
cellCellOverlapVolumeMinDecomp
(
const
primitiveMesh
&
meshA
,
...
...
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src/meshTools/tetOverlapVolume/tetOverlapVolume.H
+
11
−
1
View file @
9bf0087f
...
...
@@ -48,7 +48,7 @@ class polyMesh;
class
tetPoints
;
/*---------------------------------------------------------------------------*\
Class tetOverlapVolume Declaration
Class tetOverlapVolume Declaration
\*---------------------------------------------------------------------------*/
class
tetOverlapVolume
...
...
@@ -94,6 +94,16 @@ public:
const
label
cellBI
)
const
;
//- Return true if olverlap volume is greater than threshold
bool
cellCellOverlapMinDecomp
(
const
primitiveMesh
&
meshA
,
const
label
cellAI
,
const
primitiveMesh
&
meshB
,
const
label
cellBI
,
const
treeBoundBox
&
cellBbB
,
const
scalar
threshold
=
0.0
)
const
;
//- Calculates the overlap volume
scalar
cellCellOverlapVolumeMinDecomp
...
...
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