Initial condition at a speciffic time

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ssami
Posts: 68
Joined: Tue Dec 17, 2013 5:10 am

Initial condition at a speciffic time

Post by ssami » Sun Dec 13, 2020 3:55 pm

HI everyone, I have a question. In a time history analysis of a MDOF system under a ground motion with the duration of 20 sec, is it possible to stop the analysis at t=10 sec and read the displacement and velocity at existing masses of the system at that time, then change them to desired values and apply them as initial conditions to the system for conducting time history analysis of the structure under another earthquake? I would be grateful, if anybody could help me in this regard.
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mhscott
Posts: 874
Joined: Tue Jul 06, 2004 3:38 pm
Location: Corvallis, Oregon USA
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Re: Initial condition at a speciffic time

Post by mhscott » Mon Dec 14, 2020 5:19 am

You can try using the OpenSees database commands.
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