B21

2D Displacement Based Bernoulli Beam

  • Number of Nodes: 2

  • Number of DoFs: 3 (Translation, Translation, Rotation)

Syntax

element B21 (1) (2) (3) (4) [5] [6]
# (1) int, unique element tag
# (2) int, node i
# (3) int, node j
# (4) int, section tag
# [5] int, number of integration points, default: 6
# [6] bool string, nonlinear geometry switch, default: false

Remarks

  1. The Lobatto integration is used by default. The number of integration points ranges from 3 to 20.

  2. To use the corotational formulation for nonlinearity, please turn on the switch.

  3. Unlike 3D beam elements, there is no need to attach an orientation to 2D beam elements.

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