mesh.Mesh.edge_mesh#

Mesh.edge_mesh()#

Return a Mesh consisting of the unique edges of the elements.

Returns#

Mesh: A Mesh whose elements are the unique edges defined by the nodes of the original Mesh.

Notes#

This can only be used with a Mesh of level >= 1.

Examples#

>>> M = Mesh(eltype='quad4').subdivide(2,1).edge_mesh()
>>> print(M.report(full=True))
Mesh: n_nodes: 6, n_elems: 7, plexitude: 2, level: 1, eltype: line2
  BBox: [0. 0. 0.], [1. 1. 0.]
  Size: [1. 1. 0.]
  Length: 5.0
  Coords: [[0.  0.  0. ]
           [0.5 0.  0. ]
           [1.  0.  0. ]
           [0.  1.  0. ]
           [0.5 1.  0. ]
           [1.  1.  0. ]]
  Elems: [[0 1]
          [3 0]
          [1 2]
          [1 4]
          [2 5]
          [4 3]
          [5 4]]