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author:

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

Indexed by:

CPCI-S EI Scopus

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.

Keyword:

Aerodynamic characteristics High turbulence intensity Membrane structure Typhoon Wind engineering

Community:

  • [ 1 ] [Li, Dong]Fuzhou Univ, Dept Civil Engn, Coll Rd 2, Fuzhou 350108, Peoples R China
  • [ 2 ] [Lin, Yiteng]Fuzhou Univ, Dept Civil Engn, Coll Rd 2, Fuzhou 350108, Peoples R China
  • [ 3 ] [Huang, Hongwei]Fuzhou Univ, Dept Civil Engn, Coll Rd 2, Fuzhou 350108, Peoples R China

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Source :

PROCEEDINGS OF THE 17TH EAST ASIAN-PACIFIC CONFERENCE ON STRUCTURAL ENGINEERING AND CONSTRUCTION, EASEC-17 2022

ISSN: 2366-2557

Year: 2023

Volume: 302

Page: 819-828

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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