SENSITIVITY ANALYSIS OF THE EFFECTIVENESS OF TUNED MASS DAMPERS TO REDUCE THE WIND-INDUCED TORSIONAL RESPONSES

Authors

  • ADRIAN POZOS-ESTRADA INSTITUTO DE INGENIERíA, UNIVERSIDAD NACIONAL AUTóNOMA DE MéXICO
  • H.P. HONG THE UNIVERSITY OF WESTERN ONTARIO

Keywords:

TUNED MASS DAMPERS, TORSIONAL RESPONSE, NONLINEAR TMDS, SIMULATION OF WIND FORCES, STRUCTURAL CONTROL.

Abstract

USE OF TUNED MASS DAMPERS (TMDS) TO REDUCE THE WIND-INDUCED TORSIONAL RESPONSE OF STRUCTURES HAS BEEN INVESTIGATED IN THE LITERA-TURE BY ASSUMING THAT THE WIND EXCITATIONS CAN BE APPROXIMATED BY HARMONIC FORCES OR WHITE NOISE RANDOM PROCESSES; HOWEVER, SUCH AN ASSUMPTION IS NOT REALISTIC. FURTHER, WIND LOAD EFFECTS ARE CORRELATED. THIS STUDY IS FOCUSED ON THE EFFECTIVENESS OF DIFFERENT LINE-AR/NONLINEAR TMDS CONFIGURATIONS TO REDUCE THE WIND INDUCED RESPONSE. FOR THE ANALYSES, THE STRUCTURE IS MODELED AS A MULTI-DEGREE OF FREEDOM SYSTEM UNDER CORRELATED WIND LOAD EFFECTS. THE RESULTS SHOW THAT THE SELECTION OF OPTIMUM DAMPERS IS AFFECTED BY THE CONSIDERATION OF THE CORRELATED WIND LOAD EFFECTS.

Author Biographies

ADRIAN POZOS-ESTRADA, INSTITUTO DE INGENIERíA, UNIVERSIDAD NACIONAL AUTóNOMA DE MéXICO

DEPARTMENT OF APPLIED MECHANICS

H.P. HONG, THE UNIVERSITY OF WESTERN ONTARIO

DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING

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Published

2015-08-25

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Articles