element¶
The element module defines reference elements such as the
LineReference
and TriangleReference
, but also more exotic
objects like the MosaicReference
. A set of (interconnected) elements
together form a nutils.topology.Topology
. Elements have edges and
children (for refinement), which are in turn elements and map onto self by an
affine transformation. They also have a well defined reference coordinate
system, and provide pointsets for purposes of integration and sampling.
-
class
nutils.element.
Reference
(ndims)¶ Bases:
nutils.types.Singleton
reference element
-
trim
(self, levels, maxrefine, ndivisions)¶ trim element along levelset
-
-
class
nutils.element.
EmptyLike
(baseref)¶ Bases:
nutils.element.Reference
inverse reference element
-
class
nutils.element.
RevolutionReference
¶ Bases:
nutils.element.Reference
modify gauss integration to always return a single point
-
class
nutils.element.
SimplexReference
(ndims)¶ Bases:
nutils.element.Reference
simplex reference
-
class
nutils.element.
PointReference
¶ Bases:
nutils.element.SimplexReference
0D simplex
-
class
nutils.element.
LineReference
¶ Bases:
nutils.element.SimplexReference
1D simplex
-
class
nutils.element.
TriangleReference
¶ Bases:
nutils.element.SimplexReference
2D simplex
-
class
nutils.element.
TetrahedronReference
¶ Bases:
nutils.element.SimplexReference
3D simplex
-
class
nutils.element.
TensorReference
(ref1, ref2)¶ Bases:
nutils.element.Reference
tensor reference
-
class
nutils.element.
Cone
(edgeref, etrans, tip)¶ Bases:
nutils.element.Reference
cone
-
class
nutils.element.
OwnChildReference
(baseref)¶ Bases:
nutils.element.Reference
forward self as child
-
class
nutils.element.
WithChildrenReference
(baseref, child_refs)¶ Bases:
nutils.element.Reference
base reference with explicit children
-
class
nutils.element.
MosaicReference
(baseref, edge_refs, midpoint)¶ Bases:
nutils.element.Reference
triangulation
-
class
nutils.element.
Element
(reference, trans, opptrans=None)¶ Bases:
nutils.types.Singleton
element class