Experiment and simulation analysis on dynamic response of plane cable-membrane structure under impact load

2022 ◽  
Vol 171 ◽  
pp. 108814
Author(s):  
Junhao Xu ◽  
Yingying Zhang ◽  
Qichong Zhao ◽  
Lanlan Zhang
Keyword(s):  
Dynamic Response ◽  
Membrane Structure ◽  
Simulation Analysis ◽  
Impact Load ◽  
Experiment And Simulation

Hailstone-induced dynamic responses of pretensioned umbrella membrane structure

2020 ◽  
Vol 24 (1) ◽  
pp. 3-16 ◽  
Author(s):  
Changjiang Liu ◽  
Fan Wang ◽  
Xiaowei Deng ◽  
Song Pang ◽  
Jian Liu ◽  
...  
Keyword(s):  
Dynamic Response ◽  
Membrane Structure ◽  
Impact Analysis ◽  
Impact Load ◽  
Dynamic Responses ◽  
Flexible Structure ◽  
Membrane Material ◽  
Membrane Structures ◽  
Characteristic Points ◽  
The Impact

The membrane structure is a flexible structure, which is easy to vibrate or even relax under dynamic load. Engineering accident analysis shows that the relaxation of membrane structure is more likely to lead to structural failure. In this article, the impact load problem is combined with the flexible structure to analyze the impact of hailstone impact load on the dynamic response of membrane structure. First, the umbrella membrane stretching device was designed and manufactured, and the hailstone impact test was carried out on the umbrella membrane structure with polyvinyl chloride membrane material. Dynamic response data, tension relaxation of side cables and vibration deformation of umbrella membrane structures impacted by hailstones with different sizes and different characteristic points were obtained. In the numerical analysis, the form-finding analysis of umbrella membrane structure is carried out by finite element method, and the transient impact analysis is conducted in LS-DYNA. Finally, the reliability of the research results is verified by comparing the numerical and experimental results. The general laws and conclusions are drawn and the disaster-causing mechanism of membrane structure impacted by hailstone is revealed. On the whole, although the probability of hailstone destroying the membrane material directly is very small, it will relax the membrane structure and affect the safety of membrane structure. The conclusions of this article provide a theoretical basis for the design and maintenance of membrane structures.

Dynamic response of cylindrical cavity to anti-plane impact load by using analytical approach

2014 ◽  
Vol 21 (1) ◽  
pp. 405-415 ◽  
Author(s):  
Chao-jiao Zhai ◽  
Tang-dai Xia ◽  
Guo-qing Du ◽  
Zhi Ding
Keyword(s):  
Dynamic Response ◽  
Cylindrical Cavity ◽  
Analytical Approach ◽  
Impact Load

scholarly journals The experiment and simulation analysis of bus emergency evacuation

2018 ◽  
Vol 211 ◽  
pp. 427-432 ◽  
Author(s):  
Jing Liang ◽  
Yong-feng Zhang ◽  
Hao Huang
Keyword(s):  
Simulation Analysis ◽  
Emergency Evacuation ◽  
Experiment And Simulation

scholarly journals Impact Resistance Analysis and Optimization of Variant Truss Beam Structure Based on Material Properties

Materials ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 5847
Author(s):  
Xiaohao Li ◽  
Junqi Pan ◽  
Xingchen Zhou
Keyword(s):  
Simulation Analysis ◽  
Impact Load ◽  
Impact Resistance ◽  
Structure Design ◽  
Response Surfaces ◽  
Optimization Strategy ◽  
Buffer Effect ◽  
Characteristic Analysis ◽  
Beam Structure ◽  
The Impact

In order to meet the increasing application requirements with regards to structural impact resistance in industries such as mining, construction, aerospace engineering, and disaster relief and mitigation, this paper designs a variant truss beam structure with a large shrinkage ratio and high impact resistance. Based on the principle of the curved trajectory of scissor mechanisms, this paper conducts a finite element simulation analysis of the impact load on the truss beam structure, a theoretical analysis of the impact response and a relevant prototype bench-top experiment, completing a full study on the impact resistance mechanism of the designed variant truss beam structure under the impact load. In the paper, the buffer effect of the external load impact on the variant truss beam structure is analyzed from the perspective of the energy change of elastic–plastic deformation. This paper proposes an optimization strategy for the variant truss beam structure with the energy absorption rate as the optimization index through extensive analysis of the parameter response surfaces. The strategy integrates analyses on the response characteristic analysis of various configuration materials to obtain an optimal combination of component parameters that ensures that the strength of the truss beam structure meets set requirements. The strategy provides a feasible method with which to verify the effectiveness and impact resistance of a variant truss structure design.

Experiment and simulation analysis on the mechanism of the spindle barrel finishing

2020 ◽  
Vol 109 (1-2) ◽  
pp. 57-74 ◽  
Author(s):  
Wang Na ◽  
Zhao Tingting ◽  
Yang Sheng-qiang ◽  
Li Wenhui ◽  
Zhao Kai
Keyword(s):  
Simulation Analysis ◽  
Experiment And Simulation ◽  
Barrel Finishing
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