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author:

Li, Dong (Li, Dong.) [1] | Lin, Yiteng (Lin, Yiteng.) [2] | Huang, Hongwei (Huang, Hongwei.) [3]

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Abstract:

To investigate the effects of high turbulence in typhoon on the aerodynamic characteristics of membrane structure, wind tunnel tests of an umbrella-shaped tensioned membrane structure were carried out in both typhoon and traditional atmospheric boundary layer in terrain B field (B-type). Dynamic identification of the aeroelastic model in these two wind fields are discussed in terms of frequency, modal shape and damping ratio. Results show that the influences of high-level turbulence intensity are (i) the fluid-structure interaction in typhoon becomes more severe with larger damping ratio, resulting in the reduction of displacement response and frequency, (ii) the frequencies in different order distribute closely in some narrow bands and perform localization, and (iii) the non-Gaussian distribution of displacement response appears more obvious in typhoon condition, which should be considered in reliability design of membrane structure. This study can address the deficiency of current studies for dynamic characteristics of membrane structure in typhoon. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

Keyword:

Aerodynamics Atmospheric boundary layer Atmospheric structure Atmospheric thermodynamics Damping Fluid structure interaction Hurricanes Membrane structures Storms Structural dynamics Turbulence Wind tunnels

Community:

  • [ 1 ] [Li, Dong]Department of Civil Engineering, Fuzhou University, College Road 2, Fuzhou; 350108, China
  • [ 2 ] [Lin, Yiteng]Department of Civil Engineering, Fuzhou University, College Road 2, Fuzhou; 350108, China
  • [ 3 ] [Huang, Hongwei]Department of Civil Engineering, Fuzhou University, College Road 2, Fuzhou; 350108, China

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ISSN: 2366-2557

Year: 2023

Volume: 302 LNCE

Page: 819-828

Language: English

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 1

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