Seismosoft | Earthquake Engineering Solutions

Hello everyone,

I'm modeling an unreinforced masonry wall using 'masonry' sections, but I'm not satisfied with the hysteresis response. I tried adjusting the deterioration factors, but they had little effect.

So, instead, I modeled the wall manually using separate elements, as suggested in the ...

Hello,

I yet couldn't find a proper explanation of how this "spectral amplification" works. In the User manual, it says:
1. "the modification of the inertia forces due to spectral amplification (through the introduction of a site-specific spectrum)"
2. "the effect that spectral amplification might ...

Dear Rui,

Thank you for your helpful reply and my apology for not reading the manual properly.

Best,
Ali

Hi,

In the case of having a link element (zero-length) which suppose to act as a damper (linear or bilinear). If we introduce damping to the element, how does this damping affect the link element? Is it parallel with stiffness or series? How can we model a Kelvin damper?

Thanks
Ali

Dear Rui,

Thank you for your reply.
I think the second option you mentioned fits my desires. I like to have a non-velocity-dependent viscoelastic damper. So, I have no issue with regard to that.
I also thought about the Bouc_Wen response curve, but I was not sure if it was the best. Now, having ...

Dear Zoi,

Thanks for your reply.
Unfortunately, it is not. vsc_dmp represents VISCOUS damper but not VISCOELASTIC damper.

Ali

Comparing the VISCOELASTIC damper response curve in the literature and those available in the link elements in SeismoStruct, it seems that none is suitable for viscoelastic modeling.
Does anybody have suggestions for this matter?
Which link element is the most similar to the real viscoelastic damper ...

Rui,
My question is how to use SMA in link element? Because there is no option for using SMA in link element.

I want to model SMA wires in base isolators of a bridge. For modeling base isolators, I've used link element. But there is no facilities to employ SMA as link element beside of base isolator. accordingly, I want to model SMA in "Beam-column element type" parallel with base isolator. Is it correct ...

Hello,
How can I model SMA wires in bearings that I've modeled as an link element?