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*Vibration* may be studied either for an entire floor system or for local systems and isolated structural memebers by unchecking the Include Lateral Mass Only option through Define > Mass Source. Out-of-plane vibration [modes|kb:Modal analysis] may then be generated, and structural performance may be correlated with available publications or design guidelines. For [composite beams|kb:Composite behavior], an option for automated AISC beam vibration analysis is available through the AISC composite-design post processor.

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*Related Incident:*
* {incident:no=47249|comment=question about AISC vibraion analysis and beams supported by a truss}
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{list-of-resources2:label=Vibration|drafts-root=Vibration drafts}


h1. See Also

* [etabs:Floor vibration due to human footfalls] article

* [kb:Ritz vs. Eigen vectors] article