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Controlling beat phenomena in coupled systems using asymmetric tuned liquid column dampers

Controlling beat phenomena in coupled systems using asymmetric tuned liquid column dampers

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Original languageEnglish
Title of host publicationFluid structure interaction and moving boundary problems
EditorsSK Chakrabarti, S Hernandez, CA Brebbia
Place of publicationSOUTHAMPTON
PublisherWIT Press
Publication date2005
Pages457-464
Number of pages8
Volume84
ISBN (Print)1845640276
StatePublished

Publication series

NameWIT TRANSACTIONS ON THE BUILT ENVIRONMENT
PublisherWIT PRESS
Volume84
ISSN (Print)1746-4498

Conference

Conference3rd International Conference on Fluid Structure Interaction/8th International Conference on Computational Modelling and Experimental Measurements of Free and Moving Boundary Problems
CountrySpain
CityCoruna
Period19/09/0521/09/05

Abstract

An investigation is made into controlling the natural frequency of tuned liquid column dampers (TLCDs) as a function of the geometry of the tank. A model is derived for free oscillations and the natural frequency is given as a function of the ratio of the vertical columns and the dimensions of the horizontal chamber. Asymmetric TLCDs are modelled in a structure-damper system. A numerical example demonstrates how the asymmetry of a TLCD affects beat phenomena exhibited in the decay of the structure.

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