F21

2D Force Based Bernoulli Beam

  • Number of Nodes: 2

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

Syntax

element F21 (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.

Output Type

This model supports the following additional history variables to be recorded.

variable label
physical meaning

BEAME

local element deformation

BEAMS

local element resistance

For example,

hdf5recorder (1) Element BEAME (2...)
hdf5recorder (1) Element BEAMS (2...)
# (1) int, unique recorder tag
# (2...) int, tags of elements to record
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