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,
Precisely defined nonzero initial conditions
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Re: Precisely defined nonzero initial conditions
First you can do a pushover analysis that takes you to the initial displacements and run the free vibration analysis afterwards.