how to define plastic hinge?

[Cathy]

hello everyone!
Plasticity contains Distributed plasticity and Lumped-Plasticity .Now i want to analysis a cantilever column ,fistly should build model, if i choose Lumped-Plasticity ,How to define plastic hinge? if you have script about plastic hinge, can i share with you ?
thanks !

[silvia]

look at the command language manual to get started.

[juanoviedo]

Hello Cathy

There many different criteria when defining the length of the plastic hinge.
Roughly speaking you could use for R/C memebers, a length of height of the section and for steel members half.
And the parameters are commonly used based on Moment-curvature analysis of the section.

Regards,
Juan