warp.fem.GeometryDomain

class warp.fem.GeometryDomain(geometry)

Interface class for domains, i.e. (partial) views of elements in a Geometry.

Parameters:

geometry (Geometry)

__init__(geometry)

Parameters:

geometry (Geometry | GeometryPartition)

Methods

__init__(geometry)
element_arg_value(device)	Value of the argument to be passed to device functions
element_count()	Number of elements in the domain
element_index_arg_value(device)	Value of the argument to be passed to device functions
fill_element_arg(arg, device)	Fill the element arguments for device functions.
fill_element_index_arg(arg, device)	Fill the element index arguments for device functions.
geometry_element_count()	Number of elements in the underlying geometry
notify_operator_usage(ops)	Makes the Domain aware that the operators ops will be applied
reference_element()	Type of reference element

Attributes

DomainArg	Argument structure combining element geometry and indices.
dimension	Dimension of the elements of the domain
element_kind	Kind of elements that this domain contains (cells or sides)
name	Unique name of the domain.
geometry_partition	Geometry partition containing the elements of the domain.
geometry	Underlying geometry.
ElementIndexArg	Structure containing arguments to be passed to device functions computing element indices.
element_index	Device function for retrieving an ElementIndex from a linearized index.
element_partition_index	Device function for retrieving linearized index in the domain's partition from an ElementIndex.
ElementArg	Structure containing arguments to be passed to device functions computing element geometry.
element_measure	Device function returning the measure determinant (e.g. volume, area) at a given point.
element_measure_ratio	Device function returning the ratio of the measure of a side to that of its neighbour cells.
element_position	Device function returning the element position at a sample point.
element_deformation_gradient	Device function returning the gradient of the position with respect to the element's reference space.
element_normal	Device function returning the element normal at a sample point.
element_closest_point	Device function returning the coordinates of the closest point in a given element to a world position.
element_coordinates	Device function returning the coordinates corresponding to a world position in a given element reference system.
element_lookup	Device function returning the sample point in the domain's geometry corresponding to a world position.
element_partition_lookup	Device function returning the sample point in the domain's geometry partition corresponding to a world position.

geometry_partition: GeometryPartition

Geometry partition containing the elements of the domain.

geometry: Geometry

Underlying geometry.

property name: str

Unique name of the domain.

property element_kind: ElementKind

Kind of elements that this domain contains (cells or sides)

property dimension: int

Dimension of the elements of the domain

element_count()

Number of elements in the domain

Return type:

int

geometry_element_count()

Number of elements in the underlying geometry

Return type:

int

reference_element()

Type of reference element

Return type:

Element

element_index_arg_value(device)

Value of the argument to be passed to device functions

Parameters:

device (Device | str | None)

Return type:

StructInstance

fill_element_index_arg(arg, device)

Fill the element index arguments for device functions.

Parameters:

• arg (GeometryDomain.ElementIndexArg)

• device (Device | str | None)

element_arg_value(device)

Value of the argument to be passed to device functions

Parameters:

device (Device | str | None)

Return type:

StructInstance

fill_element_arg(arg, device)

Fill the element arguments for device functions.

Parameters:

• arg (GeometryDomain.ElementArg)

• device (Device | str | None)

ElementIndexArg: Struct

Structure containing arguments to be passed to device functions computing element indices.

element_index: Function

Device function for retrieving an ElementIndex from a linearized index.

element_partition_index: Function

Device function for retrieving linearized index in the domain’s partition from an ElementIndex.

ElementArg: Struct

Structure containing arguments to be passed to device functions computing element geometry.

element_measure: Function

Device function returning the measure determinant (e.g. volume, area) at a given point.

element_measure_ratio: Function

Device function returning the ratio of the measure of a side to that of its neighbour cells.

element_position: Function

Device function returning the element position at a sample point.

element_deformation_gradient: Function

Device function returning the gradient of the position with respect to the element’s reference space.

element_normal: Function

Device function returning the element normal at a sample point.

element_closest_point: Function

Device function returning the coordinates of the closest point in a given element to a world position.

element_coordinates: Function

Device function returning the coordinates corresponding to a world position in a given element reference system.

element_lookup: Function

Device function returning the sample point in the domain’s geometry corresponding to a world position.

element_partition_lookup: Function

Device function returning the sample point in the domain’s geometry partition corresponding to a world position.

notify_operator_usage(ops)

Makes the Domain aware that the operators ops will be applied

Parameters:

ops (set[Operator])

property DomainArg

Argument structure combining element geometry and indices.