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Wind-induced Response and Vibration Damping Analysis of Large-span Grid Structures Considering Fluid-structure Interaction
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DOI：10.1007/s13296-025-01023-w.png)
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Abstract
En 中文
The roofs of long-span grid structures are particularly sensitive to wind effects when subjected to wind loads. The present study demonstrates wind-induced response variations due to wind load on the grid structure through CFD (Computational Fluid Dynamics) simulation. In the present study, models with different wind incidence angles (0 degrees,30 degrees, 60 degrees, and 90 degrees) as well as models with varying positions of viscous-elastic dampers are investigated. The results indicate that accounting for fluid-structure interaction affects both wind direction and speed. In the mid-span area of the grid structure, where wind-induced response is significant, fluid-structure interaction has a pronounced impact. Furthermore, the addition of viscous-elastic dampers can reduce the wind-induced response of the existing grid structure, and adding them at positions where the wind-induced response is larger has a more obvious damping effect, resulting in a vibration damping coefficient of 29.09% for the center node displacement.
Keywords:
Long-span grid structure
Fluid-structure interaction
Wind incidence angle
Wind-induced response
Vibration damping
Journal
I
IF:
1.4
Papers:
37
Citations:
0
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