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Innovative modeling of tuned liquid column damper controlled structures
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  • Journal title : Smart Structures and Systems
  • Volume 18, Issue 1,  2016, pp.117-138
  • Publisher : Techno-Press
  • DOI : 10.12989/sss.2016.18.1.117
 Title & Authors
Innovative modeling of tuned liquid column damper controlled structures
Di Matteo, Alberto; Di Paola, Mario; Pirrotta, Antonina;
In this paper a different formulation for the response of structural systems controlled by Tuned Liquid Column Damper (TLCD) devices is developed, based on the mathematical tool of fractional calculus. Although the increasing use of these devices for structural vibration control, it has been demonstrated that existing model may lead to inaccurate prediction of liquid motion, thus reflecting in a possible imprecise description of the structural response. For this reason the recently proposed fractional formulation introduced to model liquid displacements in TLCD devices, is here extended to deal with TLCD controlled structures under base excitations. As demonstrated through an extensive experimental analysis, the proposed model can accurately capture structural responses both in time and in frequency domain. Further, the proposed fractional formulation is linear, hence making identification of the involved parameters extremely easier.
tuned liquid column damper;passive control;fractional derivatives;experimental investigation;
 Cited by
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Incomplete data based parameter identification of nonlinear and time-variant oscillators with fractional derivative elements, Mechanical Systems and Signal Processing, 2017, 94, 279  crossref(new windwow)
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