strain hardening

civily · Post by **civily** » Thu Jan 15, 2009 10:16 am

Hello all,

I'm performing a large deflection analysis of steel beams. I'd like to incorporate strain hardening in material but existing "Steel" materials do not match with my intentions. The definition of ReinforcingSteel material seems to be closer to what I want but I guess this is intended to be used for reinforcement. In fact I tried it, but it failed to run, the window disappears once it gets to define the elements. Seems like a material compatibility issue.
Is there any way that I can assign material having conventional stress-strain relationship for structural steel?
(i.e backbone,strain degradation etc.)

Thanks in advance...

silvia · Post by **silvia** » Thu Jan 15, 2009 10:29 am

the best material might be the hysteretic material.

civily · Post by **civily** » Fri Jan 16, 2009 2:47 pm

Hi Silvia,
Thanks for reply..I was wondering if ReinforcingSteel material could be used/modified for structural steel..or is there a way to define stress-strain relationship as in that material. I guess the relationship could be approximated by using hysteretic material but there'd be no reason to do that if we can use the conventional curve.

Thanks,

silvia · Post by **silvia** » Fri Jan 16, 2009 5:22 pm

i have had too many problems with reinforcing steel in a model that is larger than a single truss....