The Effects of Different Amplitude-Dependent Damping Models on Wind-Induced Response of a Tall Building

Zhi Yong Chen; Jiu Rong Wu; Ji Yang Fu; An Xu

doi:10.4028/www.scientific.net/AMR.374-377.2291

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 374-377The Effects of Different Amplitude-Dependent...

The Effects of Different Amplitude-Dependent Damping Models on Wind-Induced Response of a Tall Building

Abstract:

Guangzhou West Tower (GZWT) is the second tallest building in China with 432m height. Based on the 3-D finite element model of this building, a reduced finite element model was first established for the wind-induced vibration analysis in the paper. Several models for the amplitude-dependent structural damping and aerodynamic damping ratio were adopted to evaluate the nonlinear damping effects on the wind-induced response of this building by using the surface wind pressure record in wind tunnel test. Wind-induced responses evaluated by amplitude-dependent damping were compared with those obtained from constant damping ratio assumption through the comprehensive studies for several wind load cases.

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Periodical:

Advanced Materials Research (Volumes 374-377)

Pages:

2291-2296

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.374-377.2291

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Online since:

October 2011

Authors:

Zhi Yong Chen, Jiu Rong Wu, Ji Yang Fu, An Xu

Keywords:

Amplitude-Dependent Damping, Time History Analysis, Wind-Induced Vibration

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