Estimation of the Efficacy of Tuned Liquid Column Damper using Frequency Response Curves

International Journal of Civil Engineering
© 2021 by SSRG - IJCE Journal
Volume 8 Issue 1
Year of Publication : 2021
Authors : Rishikesh Hingole, Dr. Mohd. Zameeruddin
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Rishikesh Hingole, Dr. Mohd. Zameeruddin, "Estimation of the Efficacy of Tuned Liquid Column Damper using Frequency Response Curves," SSRG International Journal of Civil Engineering, vol. 8,  no. 1, pp. 4-15, 2021. Crossref, https://doi.org/10.14445/23488352/IJCE-V8I1P102

Abstract:

The Tuned Liquid Column Damper (TLCD) efficacy in the dynamic response control of structure has been investigated. The TLCD is a passive device that consists of a U-shaped tube filled with liquid columns that exhibit non-linear damping resulting from the hydrodynamic head loss observed inside the liquid column. In the present study, the response of a single degree of freedom (SDOF) system equipped with TLCD under the harmonic base excitation has been investigated. The parametric study includes estimates of maximum Displacement and maximum Acceleration using the non-linear coupled governing differential equation of motion. Mass ratio and length ratio in the frequency domain and varying base acceleration intensity was studied. This study aims to obtain the optimal combination of TLCD parameters' values, aiming to achieve the most optimized peak maximum response of the structure in the frequency domain. The results showed that the set of optimum parameters' values could be effectively applied in the design of TLCD in attenuating the dynamic response of structures.

Keywords:

Tuned Liquid Column Damper, Frequency Response Curves, Non-linear Damping, Mass Ratio, Base Acceleration.

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