Fiber section integration

[abira]

Hi,

How can we select the type of integration scheme when using fiber sections (WFsection 2D, etc.)? Is the same integration scheme that is used for nonlinearBeamColumn elements along the length used for the cross-section integration as well? I hope that this question makes sense.

Thanks
Abira Rather

[mhscott]

The integration over the section area is constant stress of each fiber with strain evaluated at the midpoint of each fiber.

[abira]

Thanks Prof. for your answer. What I understand by your answer is that mid-point integration is by default implemented in openSEES for section integration. I read your blog post: https://portwooddigital.com/2022/02/06/ ... n-so-much/ and thought maybe we can change the type of integration scheme but now I understand that the post was a comparison with other methods.

Thanks
Abira Rather