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I have checked the previous topic in the OpenSees Forum, but still need more help. Questions about parameters of Hyeteretic material:damage1,damage2 and beta. 1 You suggested damage1=0.002,damage2=0.001,but it needs lots of trial work, and I still don't know what damage1 damage2 reallly mean. 2 Coul...

uniaxialMaterial--Hysteretic may be able to simulate such behavior.

I'm doing the same thing you do.

Firstly thanks for your help. That isn't what I expect for my column. The ideal result is the concrete reach its yield strength before the steel yield, so through using more concrete I would get it, as you had mentioned . There is another problem,however,I would like to emphasize. That is how could ...

Maybe you have imposed the load in the wrong direction.

check your script !

A 30 meters high pier with box section. material is Contrete01 and Steel02,element is nonlinearBeamColumn,fiber section with contrete path and steel layer. When I scaled up the PGA of one ground motion(even to 60g), I found that the stress of steel is higher than its yield strength, but the stress o...

divide the box to 4 rectangles, and build each using command
(patch quadr).

divide the box to 4 rectangles, and build each using command
(patch quadr).

Thanks OpenSees!

I konw how to build a solid rectangle section, but I'm confused with how to build a box section, which is a hollow one. Thanks for your kindly help!