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Airflow Patterns around Obstacles with Large-Span Shallow Shell Roof: Wind Tunnel Measurements and Direct Simulation

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  • Hongying Jia
  • Huixue Dang
  • Qianying Ma
  • Jun-Hai Zhao

Abstract

Wind tunnel tests on the rigid model of large-span shallow spherical shell roof structure were carried out. The variation rule and the calculation method for the average shape coefficient of the fluctuating wind pressure under six different typical wind directions were obtained. The wind pressure distribution of the node deflection and cross section stress was numerically investigated and analyzed. Meanwhile, the effect of mechanics-flow form of the typical spherical shell structure on the wind pressure distribution was analyzed quantitatively. In this study, it is found that the results of numerical simulation agree well with the wind tunnel test data. The study on the mechanical characteristics, as well as the wind vibration research, of the spherical shell structure in different working conditions provides a reliable theoretical basis for the mechanical index of the wind vibration.

Suggested Citation

  • Hongying Jia & Huixue Dang & Qianying Ma & Jun-Hai Zhao, 2019. "Airflow Patterns around Obstacles with Large-Span Shallow Shell Roof: Wind Tunnel Measurements and Direct Simulation," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-11, November.
    • Handle: RePEc:hin:jnlmpe:9619282
    DOI: 10.1155/2019/9619282
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