TMDs for vibration control of systems with uncertain properties

Hector Jensen, Mehdi Setareh, Ralf Peek

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The use of tuned mass dampers (TMDs) to reduce the vibrations of single-degree-of-freedom systems with uncertain properties subjected to whitenoise random excitation is considered The uncertainties of the system are modeled as random variables and are assumed to be time-independent The statistics of the system response are found by using a second-order Taylor expansion or numerical integration methods Using these methods and an optimization software the optimum design parameters of the TMD are computed Validation calculations show that Taylor expansion can predict the system response for low and moderate levelsof uncertainty in the system properties It is found that parameter uncertainties may have a significant effect on the TMD efficiency Finally it is recommended that the “probabilistic tuning” approach described in this paper be used whenever there is a significant uncertainty in the system properties. © ASCE.
Original languageEnglish
Pages (from-to)3285-3296
Number of pages12
JournalJournal of Structural Engineering (United States)
DOIs
Publication statusPublished - 1 Jan 1992

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