2 stage analysis

Forum for OpenSees users to post questions, comments, etc. on the use of the OpenSees interpreter, OpenSees.exe

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Shahir
Posts: 20
Joined: Sat Sep 17, 2005 8:13 am
Location: Iran
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2 stage analysis

Post by Shahir »

Dear Silvia
I am going to analyze a two-stage model (gravity and seismic stages). I wanted to change the material model at the end of gravity stage but fmk said me that I can't do it using OpenSees. I want to know is it possible to change a parameter of material model (Poisson's ratio) at the end of gravity analysis?
Thank you in advance.
Best regarsd
Shahir
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silvia
Posts: 3909
Joined: Tue Jan 11, 2005 7:44 am
Location: Degenkolb Engineers
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Post by silvia »

i don't think you can change materials.
Silvia Mazzoni, PhD
Structural Consultant
Degenkolb Engineers
235 Montgomery Street, Suite 500
San Francisco, CA. 94104
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Boris
Posts: 95
Joined: Mon Jun 14, 2004 3:57 pm
Location: UC Davis

chagne of material

Post by Boris »

Hello There,

You can remove the old elements (which will remove their materials) and then put (add) new elements, same geometry, , same nodes just different material...

We use that little trich in couple analysis...

Boris
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