3.1.3.3.1. BeamNL

The BeamNL element models beams with geometric nonlinearity, suitable for buckling, large-displacement frame analysis, and dynamic eigenvalue problems.

3.1.3.3.1.1. Overview

Element type: BeamNL

Supports: - Nonlinear frame and column problems - Buckling and dynamic analyses

3.1.3.3.1.2. Parameters

3.1.3.3.1.2.1. Mandatory Parameters

Parameter	Description
`type`	Must be set to `"BeamNL"`
`material`	Material block with elastic properties.

3.1.3.3.1.2.2. Optional Parameters

Parameter	Description
`section`	Optional section properties reference.

3.1.3.3.1.3. Examples

Representative examples using BeamNL: - examples/ch09/Frame.pro - examples/elements/beam/verticalColumn.pro - examples/solver/buckEigSolver/eulerBuck.pro - examples/solver/dynEigSolver/beamDyn.pro