The Research on the Damping of Prestressed Membrane Structure Subjected to the Impact Load

Zhe-Feng Shu, Yue Ma, Anqi Zhang and Ping Liu
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Zhe-Feng Shu: School of Architecture and Civil Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Yue Ma: School of Architecture and Civil Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Anqi Zhang: School of Architecture and Civil Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
Ping Liu: School of Architecture and Civil Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China

Sustainability, 2022, vol. 14, issue 10, 1-14

Abstract: The damping ratio plays a main role in the vibration of membrane structures. In order to study the damping force of air application to membrane structures, this present paper investigated the vibration response of a membrane structure subjected to impact loads. Eight experiments with the application of different tension forces to a tension membrane structure were conducted, and the impact load was simulated using a rigid bullet with a certain velocity. The displacement data were obtained using a laser displacement meter. FEM was used to simulate the vibration, and the results had good agreement. The results show that the effect of air applied to a prestressed membrane was equivalent to viscous damping, and the damping force was determined using the air. The damping ratio was proportional to the density of the air over the density of the membrane. The parameter of the coefficient could be determined using the geometry of the structure.

Keywords: prestressed membrane; impact load; air damping; experimental study; numerical simulation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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