post earthquake analysis for operational modal analysis

03-Analytical/modelling capabilities
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matiullah
Posts: 2
Joined: 11 Jul 2019, 13:58

post earthquake analysis for operational modal analysis

Post by matiullah » 12 Jul 2019, 11:40

Respected sir
i am using seismostruct for damage diagnosis after seismic events.i have applied a ground motion time history of Elcentro earthquake to the RC model in seismostruct. no i want to apply random ambient vibration after the Elcentro earthquake at the base of the damaged model to get acceleration data at different nodes for frequency domain decomposition.i have to use these acceleration data for health assessment via operational modal analysis
how can i apply ambient vibration data to the damaged model? .....
thanks in advance
Matiullah
Research scholar at uet taxila

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seismosoft
Posts: 606
Joined: 06 Jul 2007, 04:55

Re: post earthquake analysis for operational modal analysis

Post by seismosoft » 12 Jul 2019, 19:57

You can do this, by applying a large acceleration time-history that contains both the Elcentro record and whatever record you want to apply after that. The second record will be applied to the damaged structure.

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