NUMERICAL SIMULATION ANALYSIS OF WIND PRESSURE CHARACTERISTICS ON STREAMLINED MEMBRANE STRUCTURE WITH A SINGLE RIDGE

ZHANG Huyue; WANG Xiuli

doi:10.13204/j.gyjzG20081303

Volume 51 Issue 7

Nov. 2021

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2021 > 51(7): 90-97

Zai Jinmin, Zhou Feng, Mei Guoxiong, Wang Xudong, Pei Jie, Liao Heshan. END-BEARING COMPOSITE PILE FOUNDATION AND ITS DESIGN METHOD[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(1): 60-64,73. doi: 10.13204/j.gyjz200801015

Citation:

ZHANG Huyue, WANG Xiuli. NUMERICAL SIMULATION ANALYSIS OF WIND PRESSURE CHARACTERISTICS ON STREAMLINED MEMBRANE STRUCTURE WITH A SINGLE RIDGE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(7): 90-97. doi: 10.13204/j.gyjzG20081303

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NUMERICAL SIMULATION ANALYSIS OF WIND PRESSURE CHARACTERISTICS ON STREAMLINED MEMBRANE STRUCTURE WITH A SINGLE RIDGE

doi: 10.13204/j.gyjzG20081303

ZHANG Huyue^1,2,
WANG Xiuli^{2
,
,}

1. College of Water & Architectural Engineering, Shihezi University, Shihezi 832003, China;
2. School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China

Received Date: 2020-08-13
Available Online: 2021-11-11

Abstract

Abstract

A wind load is the control load in the design of long-span space structure and membrane structure. Taking a practical engineering of streamlined membrane structure with a single ridge as an example, based on the Reynolds time averaged equation and shear stress transfer turbulence model (the SST k-ω model), the distribution of wind pressure on the membrane surface was simulated by ANSYS-CFX 14.0. By comparing and analyzing the distribution of wind pressure, the coefficients of mean wind pressure and turbulence characteristics on the membrane surface in different wind directions, the value ranges of the most unfavorable wind directions, the coefficients of mean wind pressure and the shape coefficients of wind load in different zones on the membrane surface were obtained. The study results showed that the most unfavorable wind direction were between 60° and 90° for the structure, and in the wind directions, the turbulence characteristics on the surface of membrane structure were complex and changeable. The eaves in the windward side formed a higher positive pressure, while the roof ridge in the leeward side formed a higher negative pressure, which made the part more easily damage. A large negative pressure area was formed on the ridge of the leeward side, and the obvious vortex was generated in the middle of the structure, which was mainly represented by suction.
- streamlined membrane structure with a single ridge,
- wind pressure distribution,
- coefficient of mean wind pressure,
- shape coefficient,
- numerical simulation

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References

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