Reducing Response of Structures by Using Optimum Composite Tuned Mass Dampers

In this paper, the optimization of composite tuned mass dampers in reducing the response of structures subject to earthquake are discussed. Composite tuned mass dampers are mass dampers that consist of two mass dampers connected in series. The mass of the auxiliary dampers is in general relatively s...

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Vydáno v:Procedia engineering Ročník 161; s. 67 - 72
Hlavní autor: Arfiadi, Yoyong
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 2016
Témata:
composite tuned mass dampers
optimization
real coded genetic algorithms
vibration control
composite tuned mass dampers
real coded genetic algorithms
optimization
vibration control
ISSN:1877-7058, 1877-7058
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Shrnutí:In this paper, the optimization of composite tuned mass dampers in reducing the response of structures subject to earthquake are discussed. Composite tuned mass dampers are mass dampers that consist of two mass dampers connected in series. The mass of the auxiliary dampers is in general relatively smaller than the one of the first damper. However, in this paper the mass ratio of the auxiliary damper to total mass of dampers is varied from 0.1 up to 0.9; and the optimum stiffness and damping of the first and auxiliary dampers are obtained using real coded genetic algorithm (RCGA). From the result of optimization, it is found that the mass ratio of the auxiliary dampers does not significantly affect the response reduction of structures. It is also found that for a certain mass ratio, the resulting stiffness and damping are not unique for achieving the same performance.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2016.08.499