Terminology#

Sizes#

Alias

Description

nnode

number of nodes

ndim

number of dimensions

nelem

number of elements

nne

number of nodes per element

tdim

number of dimensions of a tensor

Arrays#

Alias

Description

dofval

degrees of freedom

nodevec

nodal vector

elemvec

nodal vector stored per element

elemmat

matrix stored per element

qscalar

scalar stored per integration point

qtensor

tensor stored per integration point

Names#

Alias

Description

coor

nodal coordinates

conn

connectivity

Elements#

Alias

Description

Tri3

2-d triangular element (3 nodes)

Quad4

2-d quadrilateral element (4 nodes)

Hex8

3-d hexahedral element (8 nodes)

Coordinates#

  • Nodal coordinates: each node has one row

  • Shape [nnode, ndim]

  • Denoted: coor

Connectivity#

  • Node numbers per element: each element has one row

  • Shape [nelem, nne]

  • Denoted: conn