dolfin.cpp.mesh¶

Mesh library module

Functions

`build_distributed_mesh`(arg0, arg1, arg2, n], …)
`build_from_partition`(arg0, arg1, arg2, n], …)
`cell_num_entities`(arg0, arg1)
`cell_num_vertices`(arg0)
`circumradius`(arg0, arg1, 1]], arg2)
`ghost_cell_mapping`(arg0, arg1, arg2, arg3, …)
`h`(arg0, arg1, 1]], arg2)	Compute maximum distance between any two vertices.
`inradius`(arg0, arg1, 1]])	Compute inradius of cells.
`is_simplex`(arg0)
`midpoints`(arg0, arg1, arg2, 1]])
`partition_cells`(arg0, arg1, arg2, arg3, n], …)
`radius_ratio`(arg0, arg1, 1]])
`to_string`(arg0)
`to_type`(arg0)
`volume_entities`(arg0, arg1, 1]], arg2)	Generalised volume of entities of given dimension.

Classes

`CellType`(self, arg0)	Members:
`Connectivity`	Connectivity object
`CoordinateDofs`	CoordinateDofs object
`EntityRange`(self, arg0, arg1)	Range for iteration over entities of another entity
`Geometry`	Geometry object
`GhostMode`(self, arg0)	Members:
`Mesh`(self, arg0, arg1, arg2, n], …)	Mesh object
`MeshEntity`(self, arg0, arg1, arg2)	MeshEntity object
`MeshFunctionDouble`(args, *kwargs)	DOLFIN MeshFunction object
`MeshFunctionInt`(args, *kwargs)	DOLFIN MeshFunction object
`MeshFunctionSizet`(args, *kwargs)	DOLFIN MeshFunction object
`MeshQuality`	MeshQuality class
`MeshValueCollection_bool`(self, arg0, arg1)	DOLFIN MeshValueCollection object
`MeshValueCollection_double`(self, arg0, arg1)	DOLFIN MeshValueCollection object
`MeshValueCollection_int`(self, arg0, arg1)	DOLFIN MeshValueCollection object
`MeshValueCollection_sizet`(self, arg0, arg1)	DOLFIN MeshValueCollection object
`Ordering`	Order mesh cell entities
`PartitionData`(self, arg0, arg1, List[int]])	PartitionData object
`Partitioner`(self, arg0)	Members:
`Topology`	DOLFIN Topology object

class dolfin.cpp.mesh.CellType(self: dolfin.cpp.mesh.CellType, arg0: int) → None¶

Bases: pybind11_builtins.pybind11_object

Members:

point

interval

triangle

quadrilateral

tetrahedron

hexahedron

property name¶

handle) -> str

Type: (self

class dolfin.cpp.mesh.Connectivity¶

Bases: pybind11_builtins.pybind11_object

Connectivity object

connections(*args, **kwargs)¶

Overloaded function.

connections(self: dolfin.cpp.mesh.Connectivity, arg0: int) -> numpy.ndarray[int32[m, 1]]

Connections for a single mesh entity

connections(self: dolfin.cpp.mesh.Connectivity) -> numpy.ndarray[int32[m, 1]]

Connections for all mesh entities

pos(self: dolfin.cpp.mesh.Connectivity) → numpy.ndarray[int32[m, 1]]¶: Index to each entity in the connectivity array

size(self: dolfin.cpp.mesh.Connectivity, arg0: int) → int¶

class dolfin.cpp.mesh.CoordinateDofs¶

Bases: pybind11_builtins.pybind11_object

CoordinateDofs object

entity_points(self: dolfin.cpp.mesh.CoordinateDofs) → array¶

class dolfin.cpp.mesh.EntityRange(self: dolfin.cpp.mesh.EntityRange, arg0: dolfin.cpp.mesh.MeshEntity, arg1: int) → None¶

Bases: pybind11_builtins.pybind11_object

Range for iteration over entities of another entity

class dolfin.cpp.mesh.Geometry¶

Bases: pybind11_builtins.pybind11_object

Geometry object

property dim¶: Geometric dimension

global_indices(self: dolfin.cpp.mesh.Geometry) → List[int]¶

num_points(self: dolfin.cpp.mesh.Geometry) → int¶

num_points_global(self: dolfin.cpp.mesh.Geometry) → int¶

property points¶: Return coordinates of all points

x(self: dolfin.cpp.mesh.Geometry, arg0: int) → numpy.ndarray[float64[3, 1]]¶: Return coordinates of a point

class dolfin.cpp.mesh.GhostMode(self: dolfin.cpp.mesh.GhostMode, arg0: int) → None¶

Bases: pybind11_builtins.pybind11_object

Members:

none

shared_facet

shared_vertex

property name¶

handle) -> str

Type: (self

class dolfin.cpp.mesh.Mesh(self: dolfin.cpp.mesh.Mesh, arg0: MPICommWrapper, arg1: dolfin.cpp.mesh.CellType, arg2: numpy.ndarray[float64[m, n], flags.c_contiguous], arg3: numpy.ndarray[int64[m, n], flags.c_contiguous], arg4: List[int], arg5: dolfin.cpp.mesh.GhostMode) → None¶

Bases: pybind11_builtins.pybind11_object

Mesh object

cell_name(self: dolfin.cpp.mesh.Mesh) → str¶

cells(self: dolfin.cpp.mesh.Mesh) → array¶

coordinate_dofs(self: dolfin.cpp.mesh.Mesh) → dolfin.cpp.mesh.CoordinateDofs¶

create_connectivity(self: dolfin.cpp.mesh.Mesh, arg0: int, arg1: int) → None¶

create_connectivity_all(self: dolfin.cpp.mesh.Mesh) → None¶

create_entities(self: dolfin.cpp.mesh.Mesh, arg0: int) → int¶

degree(self: dolfin.cpp.mesh.Mesh) → int¶

property geometry¶: Mesh geometry

hash(self: dolfin.cpp.mesh.Mesh) → int¶

hmax(self: dolfin.cpp.mesh.Mesh) → float¶

hmin(self: dolfin.cpp.mesh.Mesh) → float¶

mpi_comm(self: dolfin.cpp.mesh.Mesh) → MPICommWrapper¶

num_cells()¶: Return number of mesh cells

num_entities(self: dolfin.cpp.mesh.Mesh, arg0: int) → int¶: Number of mesh entities

num_entities_global(self: dolfin.cpp.mesh.Mesh, arg0: int) → int¶

rmax(self: dolfin.cpp.mesh.Mesh) → float¶

rmin(self: dolfin.cpp.mesh.Mesh) → float¶

property topology¶: Mesh topology

ufl_coordinate_element()¶: Return the finite element of the coordinate vector field of this domain.

ufl_domain()¶: Returns the ufl domain corresponding to the mesh.

ufl_id(self: dolfin.cpp.mesh.Mesh) → int¶

class dolfin.cpp.mesh.MeshEntity(self: dolfin.cpp.mesh.MeshEntity, arg0: dolfin.cpp.mesh.Mesh, arg1: int, arg2: int) → None¶

Bases: pybind11_builtins.pybind11_object

MeshEntity object

property dim¶: Topological dimension

entities(self: dolfin.cpp.mesh.MeshEntity, arg0: int) → array¶

index(self: dolfin.cpp.mesh.MeshEntity) → int¶: Entity index

mesh(self: dolfin.cpp.mesh.MeshEntity) → dolfin.cpp.mesh.Mesh¶: Associated mesh

class dolfin.cpp.mesh.MeshFunctionDouble(*args, **kwargs)¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshFunction object

Overloaded function.

__init__(self: dolfin.cpp.mesh.MeshFunctionDouble, arg0: dolfin.cpp.mesh.Mesh, arg1: int, arg2: float) -> None
__init__(self: dolfin.cpp.mesh.MeshFunctionDouble, arg0: dolfin.cpp.mesh.Mesh, arg1: dolfinx::mesh::MeshValueCollection<double>, arg2: float) -> None

mark(self: dolfin.cpp.mesh.MeshFunctionDouble, arg0: Callable[[numpy.ndarray[float64[3, n], flags.c_contiguous]], numpy.ndarray[bool[m, 1]]], arg1: float) → None¶

mesh(self: dolfin.cpp.mesh.MeshFunctionDouble) → dolfin.cpp.mesh.Mesh¶

ufl_id(self: dolfin.cpp.mesh.MeshFunctionDouble) → int¶

class dolfin.cpp.mesh.MeshFunctionInt(*args, **kwargs)¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshFunction object

Overloaded function.

__init__(self: dolfin.cpp.mesh.MeshFunctionInt, arg0: dolfin.cpp.mesh.Mesh, arg1: int, arg2: int) -> None
__init__(self: dolfin.cpp.mesh.MeshFunctionInt, arg0: dolfin.cpp.mesh.Mesh, arg1: dolfinx::mesh::MeshValueCollection<int>, arg2: int) -> None

mark(self: dolfin.cpp.mesh.MeshFunctionInt, arg0: Callable[[numpy.ndarray[float64[3, n], flags.c_contiguous]], numpy.ndarray[bool[m, 1]]], arg1: int) → None¶

mesh(self: dolfin.cpp.mesh.MeshFunctionInt) → dolfin.cpp.mesh.Mesh¶

ufl_id(self: dolfin.cpp.mesh.MeshFunctionInt) → int¶

class dolfin.cpp.mesh.MeshFunctionSizet(*args, **kwargs)¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshFunction object

Overloaded function.

__init__(self: dolfin.cpp.mesh.MeshFunctionSizet, arg0: dolfin.cpp.mesh.Mesh, arg1: int, arg2: int) -> None
__init__(self: dolfin.cpp.mesh.MeshFunctionSizet, arg0: dolfin.cpp.mesh.Mesh, arg1: dolfinx::mesh::MeshValueCollection<unsigned long>, arg2: int) -> None

mark(self: dolfin.cpp.mesh.MeshFunctionSizet, arg0: Callable[[numpy.ndarray[float64[3, n], flags.c_contiguous]], numpy.ndarray[bool[m, 1]]], arg1: int) → None¶

mesh(self: dolfin.cpp.mesh.MeshFunctionSizet) → dolfin.cpp.mesh.Mesh¶

ufl_id(self: dolfin.cpp.mesh.MeshFunctionSizet) → int¶

class dolfin.cpp.mesh.MeshQuality¶

Bases: pybind11_builtins.pybind11_object

MeshQuality class

static dihedral_angle_histogram_data(mesh: dolfin.cpp.mesh.Mesh, num_bins: int = 50) → Tuple[List[float], List[int]]¶

static dihedral_angles_min_max(arg0: dolfin.cpp.mesh.Mesh) → List[float[2]]¶

class dolfin.cpp.mesh.MeshValueCollection_bool(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: dolfin.cpp.mesh.Mesh, arg1: int) → None¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshValueCollection object

assign(*args, **kwargs)¶

Overloaded function.

assign(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: dolfinx::mesh::MeshFunction<bool>) -> None
assign(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: dolfin.cpp.mesh.MeshValueCollection_bool) -> None

get_value(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: int, arg1: int) → bool¶

set_value(*args, **kwargs)¶

Overloaded function.

set_value(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: int, arg1: bool) -> bool
set_value(self: dolfin.cpp.mesh.MeshValueCollection_bool, arg0: int, arg1: int, arg2: bool) -> bool

size(self: dolfin.cpp.mesh.MeshValueCollection_bool) → int¶

values(self: dolfin.cpp.mesh.MeshValueCollection_bool) → Dict[Tuple[int, int], bool]¶

class dolfin.cpp.mesh.MeshValueCollection_double(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: dolfin.cpp.mesh.Mesh, arg1: int) → None¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshValueCollection object

assign(*args, **kwargs)¶

Overloaded function.

assign(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: dolfin.cpp.mesh.MeshFunctionDouble) -> None
assign(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: dolfin.cpp.mesh.MeshValueCollection_double) -> None

get_value(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: int, arg1: int) → float¶

set_value(*args, **kwargs)¶

Overloaded function.

set_value(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: int, arg1: float) -> bool
set_value(self: dolfin.cpp.mesh.MeshValueCollection_double, arg0: int, arg1: int, arg2: float) -> bool

size(self: dolfin.cpp.mesh.MeshValueCollection_double) → int¶

values(self: dolfin.cpp.mesh.MeshValueCollection_double) → Dict[Tuple[int, int], float]¶

class dolfin.cpp.mesh.MeshValueCollection_int(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: dolfin.cpp.mesh.Mesh, arg1: int) → None¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshValueCollection object

assign(*args, **kwargs)¶

Overloaded function.

assign(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: dolfin.cpp.mesh.MeshFunctionInt) -> None
assign(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: dolfin.cpp.mesh.MeshValueCollection_int) -> None

get_value(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: int, arg1: int) → int¶

set_value(*args, **kwargs)¶

Overloaded function.

set_value(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: int, arg1: int) -> bool
set_value(self: dolfin.cpp.mesh.MeshValueCollection_int, arg0: int, arg1: int, arg2: int) -> bool

size(self: dolfin.cpp.mesh.MeshValueCollection_int) → int¶

values(self: dolfin.cpp.mesh.MeshValueCollection_int) → Dict[Tuple[int, int], int]¶

class dolfin.cpp.mesh.MeshValueCollection_sizet(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: dolfin.cpp.mesh.Mesh, arg1: int) → None¶

Bases: pybind11_builtins.pybind11_object

DOLFIN MeshValueCollection object

assign(*args, **kwargs)¶

Overloaded function.

assign(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: dolfin.cpp.mesh.MeshFunctionSizet) -> None
assign(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: dolfin.cpp.mesh.MeshValueCollection_sizet) -> None

get_value(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: int, arg1: int) → int¶

set_value(*args, **kwargs)¶

Overloaded function.

set_value(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: int, arg1: int) -> bool
set_value(self: dolfin.cpp.mesh.MeshValueCollection_sizet, arg0: int, arg1: int, arg2: int) -> bool

size(self: dolfin.cpp.mesh.MeshValueCollection_sizet) → int¶

values(self: dolfin.cpp.mesh.MeshValueCollection_sizet) → Dict[Tuple[int, int], int]¶

class dolfin.cpp.mesh.Ordering¶

Bases: pybind11_builtins.pybind11_object

Order mesh cell entities

static is_ordered_simplex(arg0: dolfin.cpp.mesh.Mesh) → bool¶

static order_simplex(arg0: dolfin.cpp.mesh.Mesh) → None¶

class dolfin.cpp.mesh.PartitionData(self: dolfin.cpp.mesh.PartitionData, arg0: List[int], arg1: Dict[int, List[int]]) → None¶

Bases: pybind11_builtins.pybind11_object

PartitionData object

num_ghosts(self: dolfin.cpp.mesh.PartitionData) → int¶

num_procs(self: dolfin.cpp.mesh.PartitionData, arg0: int) → int¶

size(self: dolfin.cpp.mesh.PartitionData) → int¶

class dolfin.cpp.mesh.Partitioner(self: dolfin.cpp.mesh.Partitioner, arg0: int) → None¶

Bases: pybind11_builtins.pybind11_object

Members:

scotch

kahip

parmetis

property name¶

handle) -> str

Type: (self

class dolfin.cpp.mesh.Topology¶

Bases: pybind11_builtins.pybind11_object

DOLFIN Topology object

connectivity(self: dolfin.cpp.mesh.Topology, arg0: int, arg1: int) → dolfinx::mesh::Connectivity¶

property dim¶: Topological dimension

entity_owner(self: dolfin.cpp.mesh.Topology, arg0: int) → List[int]¶

ghost_offset(self: dolfin.cpp.mesh.Topology, arg0: int) → int¶

global_indices(self: dolfin.cpp.mesh.Topology, arg0: int) → numpy.ndarray[int64]¶

hash(self: dolfin.cpp.mesh.Topology) → int¶

on_boundary(self: dolfin.cpp.mesh.Topology, arg0: int) → List[bool]¶

shared_entities(self: dolfin.cpp.mesh.Topology, arg0: int) → Dict[int, Set[int]]¶

size(self: dolfin.cpp.mesh.Topology, arg0: int) → int¶

str(self: dolfin.cpp.mesh.Topology, arg0: bool) → str¶

dolfin.cpp.mesh.build_distributed_mesh(arg0: MPICommWrapper, arg1: dolfin.cpp.mesh.CellType, arg2: numpy.ndarray[float64[m, n], flags.c_contiguous], arg3: numpy.ndarray[int64[m, n], flags.c_contiguous], arg4: List[int], arg5: dolfin.cpp.mesh.GhostMode, arg6: dolfin.cpp.mesh.Partitioner) → dolfin.cpp.mesh.Mesh¶

dolfin.cpp.mesh.build_from_partition(arg0: MPICommWrapper, arg1: dolfin.cpp.mesh.CellType, arg2: numpy.ndarray[float64[m, n], flags.c_contiguous], arg3: numpy.ndarray[int64[m, n], flags.c_contiguous], arg4: List[int], arg5: dolfin.cpp.mesh.GhostMode, arg6: dolfin.cpp.mesh.PartitionData) → dolfin.cpp.mesh.Mesh¶

dolfin.cpp.mesh.cell_num_entities(arg0: dolfin.cpp.mesh.CellType, arg1: int) → int¶

dolfin.cpp.mesh.cell_num_vertices(arg0: dolfin.cpp.mesh.CellType) → int¶

dolfin.cpp.mesh.circumradius(arg0: dolfinx::mesh::Mesh, arg1: numpy.ndarray[int32[m, 1]], arg2: int) → numpy.ndarray[float64[m, 1]]¶

dolfin.cpp.mesh.ghost_cell_mapping(arg0: MPICommWrapper, arg1: numpy.ndarray[int32], arg2: dolfin.cpp.mesh.CellType, arg3: numpy.ndarray[int64[m, n], flags.c_contiguous]) → Dict[int, List[int]]¶

dolfin.cpp.mesh.h(arg0: dolfinx::mesh::Mesh, arg1: numpy.ndarray[int32[m, 1]], arg2: int) → numpy.ndarray[float64[m, 1]]¶: Compute maximum distance between any two vertices.

dolfin.cpp.mesh.inradius(arg0: dolfinx::mesh::Mesh, arg1: numpy.ndarray[int32[m, 1]]) → numpy.ndarray[float64[m, 1]]¶: Compute inradius of cells.

dolfin.cpp.mesh.is_simplex(arg0: dolfin.cpp.mesh.CellType) → bool¶

dolfin.cpp.mesh.midpoints(arg0: dolfinx::mesh::Mesh, arg1: int, arg2: numpy.ndarray[int32[m, 1]]) → numpy.ndarray[float64[m, 3]]¶

dolfin.cpp.mesh.partition_cells(arg0: MPICommWrapper, arg1: int, arg2: dolfin.cpp.mesh.CellType, arg3: numpy.ndarray[int64[m, n], flags.c_contiguous], arg4: dolfin.cpp.mesh.Partitioner) → dolfin.cpp.mesh.PartitionData¶

dolfin.cpp.mesh.radius_ratio(arg0: dolfinx::mesh::Mesh, arg1: numpy.ndarray[int32[m, 1]]) → numpy.ndarray[float64[m, 1]]¶

dolfin.cpp.mesh.to_string(arg0: dolfin.cpp.mesh.CellType) → str¶

dolfin.cpp.mesh.to_type(arg0: str) → dolfin.cpp.mesh.CellType¶

dolfin.cpp.mesh.volume_entities(arg0: dolfinx::mesh::Mesh, arg1: numpy.ndarray[int32[m, 1]], arg2: int) → numpy.ndarray[float64[m, 1]]¶: Generalised volume of entities of given dimension.