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Numerical study on tensioned membrane structures under impact load

  • Zhang, Yingying (Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, State Key Laboratory for Geomechanics & Deep Underground Engineering, Jiangsu Collaborative Innovation Center for Building Energy Saving and Construction Technology, China University of Mining and Technology) ;
  • Zhao, Yushuai (Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, State Key Laboratory for Geomechanics & Deep Underground Engineering, Jiangsu Collaborative Innovation Center for Building Energy Saving and Construction Technology, China University of Mining and Technology) ;
  • Zhang, Mingyue (Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering, State Key Laboratory for Geomechanics & Deep Underground Engineering, Jiangsu Collaborative Innovation Center for Building Energy Saving and Construction Technology, China University of Mining and Technology) ;
  • Zhou, Yi (School of Civil Engineering, Southwest Jiaotong University) ;
  • Zhang, Qilin (College of Civil Engineering, Tongji University)
  • Received : 2018.10.30
  • Accepted : 2019.03.21
  • Published : 2019.07.25

Abstract

This paper presents the numerical simulation of membrane structure under impact load. Firstly, the numerical simulation model is validated by comparing with the test in Hao's research. Then, the effects of the shape of the projectile, the membrane prestress and the initial impact speed, are investigated for studying the dynamic response and failure mechanism, based on the membrane displacement, projectile acceleration and kinetic energy. Finally, the results show that the initial speed and the punch shape are related with the loss of kinetic energy of projectiles. Meanwhile, the membrane prestress is an important factor that affects the energy dissipation capacity and the impact resistance of membrane structures.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China

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