Cyclic behaviour. Connectors
Cyclic behaviour. Connectors
(OP)
Hi All,
I am trying to model the cyclic behaviour of a
connector (loading, unloading, and different behaviour in tension and
compression) and I think that none of the capabilities of connectors in Abaqus enable to
do this.
I would be very grateful if you could point me in the right direction.
Perhaps, I should use a subroutine but I am not sure about this.
Thanks in advance.
Kind regards,
Julio
I am trying to model the cyclic behaviour of a
connector (loading, unloading, and different behaviour in tension and
compression) and I think that none of the capabilities of connectors in Abaqus enable to
do this.
I would be very grateful if you could point me in the right direction.
Perhaps, I should use a subroutine but I am not sure about this.
Thanks in advance.
Kind regards,
Julio





RE: Cyclic behaviour. Connectors
Please take a look into Abaqus documentation: 31.2.10 Connector uniaxial behavior.
Unfortunately *CONNECTOR UNIAXIAL BEHAVIOR keyword can be use only with Abaqus/Explicit.
Regards,
Bartosz
RE: Cyclic behaviour. Connectors
The problem is more complicated because CONNECTOR UNIAXIAL BEHAVIOR does not take into account the permanent deformation when the connector changes from tension to compression and viceversa. I would need a connector which enables to model the whole cyclic behavior.
Thanks again.
Kind regards,
Julio
RE: Cyclic behaviour. Connectors
1) Use the "no compression" flag in the elastic material behavior.
2) Embed an element (or embed elements) inside the geometry and assign a different material property to it/them. See "model change, add" and "model change, remove" if you'd like to add/remove this/these embedded element(s).
http://www.eng-tips.com/faqs.cfm?fid=376