Journal of Aeronautical Engineering

Journal of Aeronautical Engineering

Experimental and numerical study of the effect of temperature on the stability shape and curvature of bi-stable hybrid asymmetric plates

Document Type : Original Article

Authors
Mohammad Homayoun Sadr 1
Mahdi Fazli 1
Hadi Ghashochi-Bargh 2
1 Amirkabir University of Technology, Faculty of Engineering, Space
2 Buin Zahra Technical and Engineering Center
Abstract
In this paper, an experimental and numerical study of the effect of temperature and its changes on the geometric shape and curvature of bi-stable hybrid asymmetric plates are investigated, and by adding an aluminum layer to composite laminate and creating asymmetry on the plate, a new method for controllability of the structure is introduced in different stability shapes, and the effects of plate size and existence or absence of aluminum layer on the shape of the plate's stability and curvature are investigated. Also, the experimental results are compared with the numerical results. Comparisons of experimental and numerical results show good agreement. Many researches about adaptive structures based on bi-stable plates in aerospace industry are increasing and the use of smart integrated structures in these structures, and especially in the aircraft structure, provide a better performance and better maneuverability of the aerial vehicle.
For verification, the experimental results are compared with numerical results.
Keywords
Bi-stability
Hybrid asymmetric plates
Experimental and numerical study
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Journal of Aeronautical Engineering
Volume 21, Issue 1
June 2019
Pages 11-18

  • Receive Date 03 January 2021