theta_p in Bilin Material

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esi_opensees
Posts: 93
Joined: Mon Apr 14, 2008 10:53 pm

theta_p in Bilin Material

Post by esi_opensees »

Dear all,

Regarding Bilin Material:
http://opensees.berkeley.edu/wiki/index ... n_Material

the value of theta_p is related to monotonic (initial) backbone. If there is an experimental results from cyclic loading (hysteresis curve), how should we move to monotonic backbone value?

Thank you.
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