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- define units
- define model
- define recorders for output
- define & apply gravity
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Elastic Element
Effective axial and flexural stiffnesses are defined at the element level
- Build model – nodes, supports, elements, etc.
- elasticBeamColumn elements
- elasticBeamColumn elements
- define & apply gravity load
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Distributed Plasticity Element, Uniaxial Section
Axial and flexural stiffnesses/strength are defined independently at the section level
- Build model – nodes, supports, elements, etc.
- uniaxial inelastic section (moment-curvature)
- nonlinear beam-column elements
- define & apply gravity load
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Distributed PlasticityElement, Fiber Section
The section is broken down into fibers where uniaxial materials are defined independently. The program calculates flexural and axial stiffnesses/strength by integrating strains across the section.
- Build model – nodes, supports, elements, etc.
- uniaxial inelastic material (stress-strain)
- fiber section
- nonlinear beam-column elements
- define & apply gravity load
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