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efc2d907
Commit
efc2d907
authored
2 months ago
by
Stéphane Del Pino
Browse files
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Plain Diff
Add VTK output for polynomial meshes of degree > 2
parent
3f96e465
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Changes
1
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1 changed file
src/output/VTKWriter.cpp
+98
-15
98 additions, 15 deletions
src/output/VTKWriter.cpp
with
98 additions
and
15 deletions
src/output/VTKWriter.cpp
+
98
−
15
View file @
efc2d907
...
...
@@ -477,7 +477,8 @@ VTKWriter::_write(const MeshType& mesh,
if
constexpr
(
is_polygonal_mesh_v
<
MeshType
>
)
{
fout
<<
mesh
.
numberOfNodes
();
}
else
if
constexpr
(
is_polynomial_mesh_v
<
MeshType
>
)
{
fout
<<
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
();
fout
<<
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
()
+
(
mesh
.
degree
()
>
2
)
*
mesh
.
numberOfCells
();
}
else
{
throw
NotImplementedError
(
"unexpected mesh type"
);
}
...
...
@@ -521,7 +522,26 @@ VTKWriter::_write(const MeshType& mesh,
item_value_variant
);
}
if
constexpr
(
is_polynomial_mesh_v
<
MeshType
>
)
{
Array
<
int
>
node_number
(
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
());
size_t
number_of_inner_nodes
=
0
;
if
(
mesh
.
degree
()
>
2
)
{
const
auto
cell_type
=
mesh
.
connectivity
().
cellType
();
for
(
CellId
cell_id
=
0
;
cell_id
<
mesh
.
numberOfCells
();
++
cell_id
)
{
switch
(
cell_type
[
cell_id
])
{
case
CellType
::
Triangle
:
{
number_of_inner_nodes
+=
(
mesh
.
degree
()
-
1
)
*
(
mesh
.
degree
()
-
2
)
/
2
;
break
;
}
case
CellType
::
Quadrangle
:
{
number_of_inner_nodes
+=
(
mesh
.
degree
()
-
2
)
*
(
mesh
.
degree
()
-
2
);
break
;
}
default
:
{
throw
NormalError
(
"invalid cell type for polynomal mesh of degree > 2"
);
}
}
}
}
Array
<
int
>
node_number
(
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
()
+
number_of_inner_nodes
);
node_number
.
fill
(
0
);
_write_array
(
fout
,
"node_number"
,
node_number
,
serialize_data_list
);
}
...
...
@@ -545,7 +565,8 @@ VTKWriter::_write(const MeshType& mesh,
}
else
if
constexpr
(
is_polynomial_mesh_v
<
MeshType
>
)
{
const
NodeValue
<
const
Rd
>&
xr
=
mesh
.
xr
();
const
FaceArray
<
const
Rd
>&
xl
=
mesh
.
xl
();
Array
<
TinyVector
<
3
>>
positions
(
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
());
Array
<
TinyVector
<
3
>>
positions
(
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
()
+
(
mesh
.
degree
()
>
2
)
*
mesh
.
numberOfCells
());
parallel_for
(
mesh
.
numberOfNodes
(),
PUGS_LAMBDA
(
const
NodeId
node_id
)
{
for
(
unsigned
short
i
=
0
;
i
<
MeshType
::
Dimension
;
++
i
)
{
...
...
@@ -570,6 +591,25 @@ VTKWriter::_write(const MeshType& mesh,
}
}
});
if
(
mesh
.
degree
()
>
2
)
{
const
size_t
cell_begining
=
mesh
.
numberOfNodes
()
+
(
mesh
.
degree
()
-
1
)
*
mesh
.
numberOfFaces
();
auto
xj
=
MeshDataManager
::
instance
().
getMeshData
(
mesh
).
xj
();
parallel_for
(
mesh
.
numberOfCells
(),
PUGS_LAMBDA
(
const
CellId
cell_id
)
{
for
(
size_t
i_node
=
0
;
i_node
<
number_of_node_per_face
;
++
i_node
)
{
const
size_t
index
=
cell_begining
+
cell_id
;
for
(
unsigned
short
i
=
0
;
i
<
MeshType
::
Dimension
;
++
i
)
{
positions
[
index
][
i
]
=
xj
[
cell_id
][
i
];
}
for
(
unsigned
short
i
=
MeshType
::
Dimension
;
i
<
3
;
++
i
)
{
positions
[
index
][
i
]
=
0
;
}
}
});
}
_write_array
(
fout
,
"Positions"
,
positions
,
serialize_data_list
);
}
else
{
throw
NotImplementedError
(
"unexpected mesh type"
);
...
...
@@ -596,25 +636,31 @@ VTKWriter::_write(const MeshType& mesh,
_write_array
(
fout
,
"offsets"
,
offsets
,
serialize_data_list
);
}
}
else
if
constexpr
(
is_polynomial_mesh_v
<
MeshType
>
)
{
if
(
mesh
.
degree
()
>
2
)
{
throw
NotImplementedError
(
"only parabolic meshes are supported"
);
}
const
size_t
degree
=
mesh
.
degree
();
const
size_t
number_of_vertices
=
mesh
.
numberOfNodes
();
const
auto
&
cell_to_node_matrix
=
mesh
.
connectivity
().
cellToNodeMatrix
();
const
auto
&
cell_type
=
mesh
.
connectivity
().
cellType
();
Array
<
unsigned
int
>
offsets
(
mesh
.
numberOfCells
());
unsigned
int
offset
=
0
;
for
(
CellId
cell_id
=
0
;
cell_id
<
mesh
.
numberOfCells
();
++
cell_id
)
{
const
auto
&
cell_nodes
=
cell_to_node_matrix
[
cell_id
];
offset
+=
degree
*
cell_nodes
.
size
();
if
(
degree
>
2
)
{
if
(
cell_type
[
cell_id
]
==
CellType
::
Triangle
)
{
offset
+=
(
mesh
.
degree
()
-
1
)
*
(
mesh
.
degree
()
-
2
)
/
2
;
}
else
if
(
cell_type
[
cell_id
]
==
CellType
::
Quadrangle
)
{
offset
+=
(
mesh
.
degree
()
-
1
)
*
(
mesh
.
degree
()
-
1
);
}
}
offsets
[
cell_id
]
=
offset
;
}
_write_array
(
fout
,
"offsets"
,
offsets
,
serialize_data_list
);
const
auto
&
cell_to_face_matrix
=
mesh
.
connectivity
().
cellToFaceMatrix
();
const
auto
&
cell_
type
=
mesh
.
connectivity
().
cell
Type
();
const
auto
&
cell_
face_is_reversed_matrix
=
mesh
.
connectivity
().
cell
FaceIsReversed
();
Array
<
NodeId
::
base_type
>
nodes
{
offset
};
size_t
index
=
0
;
...
...
@@ -624,14 +670,51 @@ VTKWriter::_write(const MeshType& mesh,
for
(
size_t
i_node
=
0
;
i_node
<
cell_nodes
.
size
();
++
i_node
)
{
nodes
[
index
++
]
=
cell_nodes
[
i_node
];
}
if
(
degree
==
2
)
{
if
(
degree
>
1
)
{
auto
cell_face_is_reversed
=
cell_face_is_reversed_matrix
[
cell_id
];
if
(
cell_type
[
cell_id
]
==
CellType
::
Triangle
)
{
for
(
size_t
i_face
=
0
;
i_face
<
cell_faces
.
size
();
++
i_face
)
{
nodes
[
index
++
]
=
number_of_vertices
+
cell_faces
[(
i_face
+
2
)
%
3
];
const
size_t
i_face_local_number
=
(
i_face
+
2
)
%
3
;
if
(
cell_face_is_reversed
[
i_face_local_number
])
{
for
(
ssize_t
i_face_inner_node
=
degree
-
2
;
i_face_inner_node
>=
0
;
--
i_face_inner_node
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
cell_faces
[
i_face_local_number
]
+
i_face_inner_node
;
}
}
else
{
for
(
size_t
i_face_inner_node
=
0
;
i_face_inner_node
<
degree
-
1
;
++
i_face_inner_node
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
cell_faces
[
i_face_local_number
]
+
i_face_inner_node
;
}
}
}
if
(
degree
>
2
)
{
for
(
size_t
i
=
0
;
i
<
(
mesh
.
degree
()
-
1
)
*
(
mesh
.
degree
()
-
2
)
/
2
;
++
i
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
mesh
.
numberOfFaces
()
+
cell_id
;
}
}
}
else
{
for
(
size_t
i_face
=
0
;
i_face
<
cell_faces
.
size
();
++
i_face
)
{
nodes
[
index
++
]
=
number_of_vertices
+
cell_faces
[
i_face
];
if
((
i_face
>=
2
)
xor
cell_face_is_reversed
[
i_face
])
{
for
(
ssize_t
i_face_inner_node
=
degree
-
2
;
i_face_inner_node
>=
0
;
--
i_face_inner_node
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
cell_faces
[
i_face
]
+
i_face_inner_node
;
}
}
else
{
for
(
size_t
i_face_inner_node
=
0
;
i_face_inner_node
<
degree
-
1
;
++
i_face_inner_node
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
cell_faces
[
i_face
]
+
i_face_inner_node
;
}
}
}
if
(
degree
>
2
)
{
if
(
cell_type
[
cell_id
]
!=
CellType
::
Quadrangle
)
{
std
::
ostringstream
error_msg
;
error_msg
<<
"cell type: "
<<
name
(
cell_type
[
cell_id
])
<<
" is not supported for VTK output of polynomial meshes of degree "
<<
mesh
.
degree
()
<<
'\n'
;
throw
NormalError
(
error_msg
.
str
());
}
for
(
size_t
i
=
0
;
i
<
(
mesh
.
degree
()
-
1
)
*
(
mesh
.
degree
()
-
1
);
++
i
)
{
nodes
[
index
++
]
=
number_of_vertices
+
(
degree
-
1
)
*
mesh
.
numberOfFaces
()
+
cell_id
;
}
}
}
}
...
...
@@ -673,7 +756,7 @@ VTKWriter::_write(const MeshType& mesh,
}
else
if
(
element_degree
==
2
)
{
types
[
j
]
=
22
;
}
else
{
t
hrow
NotImplementedError
(
"unexpected degree for mesh writer"
)
;
t
ypes
[
j
]
=
69
;
}
}
break
;
...
...
@@ -687,7 +770,7 @@ VTKWriter::_write(const MeshType& mesh,
}
else
if
(
element_degree
==
2
)
{
types
[
j
]
=
23
;
}
else
{
t
hrow
NotImplementedError
(
"unexpected degree for mesh writer"
)
;
t
ypes
[
j
]
=
70
;
}
}
break
;
...
...
@@ -696,12 +779,12 @@ VTKWriter::_write(const MeshType& mesh,
if
constexpr
(
is_polygonal_mesh_v
<
MeshType
>
)
{
types
[
j
]
=
7
;
}
else
if
constexpr
(
is_polynomial_mesh_v
<
MeshType
>
)
{
if
(
element_degree
==
2
)
{
if
(
element_degree
==
1
)
{
types
[
j
]
=
7
;
}
else
if
(
element_degree
==
2
)
{
types
[
j
]
=
36
;
}
else
{
throw
No
tImplementedError
(
"unexpected degree for mesh writer
"
);
throw
No
rmalError
(
"output for polynomial cells of degree > 2 is not available for polygonal cells
"
);
}
}
break
;
...
...
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