Precisely defined nonzero initial conditions

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Precisely defined nonzero initial conditions

Postby ssami » Thu Dec 07, 2017 6:52 am

Hi everyone
I have a two degree of freedom system with nonzero initial displacements and velocities different at the two degrees of freedom. How I can analyze the free vibration of the system using time history analysis by defining Precisely initial conditions in OpenSees? Many thanks for your kind attention.
Best Wishes,
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Re: Precisely defined nonzero initial conditions

Postby selimgunay » Thu Dec 07, 2017 9:48 pm

First you can do a pushover analysis that takes you to the initial displacements and run the free vibration analysis afterwards.
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