A study on wrinkling characteristics and dynamic mechanical behavior of membrane

An eigenvalue method considering the membrane vibration of wrinkling out-of-plane deformation is introduced, and the stress distributing rule in membrane wrinkled area is analyzed. A dynamic analytical model of rectangular shear wrinkled membrane and its numerical analysis approach are also develope...

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Bibliographic Details
Published in:Acta mechanica Sinica 2012-02, Vol.28 (1), p.201-210
Main Authors: Li, Yun-Liang, Lu, Ming-Yu, Tan, Hui-Feng, Tan, Yi-Qiu
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Computational Intelligence
Engineering
Engineering Fluid Dynamics
Research Paper
Theoretical and Applied Mechanics
分布规则
力学性能
动态膜
平面变形
振动模式
数值分析方法
特征值方法
起皱
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Summary:An eigenvalue method considering the membrane vibration of wrinkling out-of-plane deformation is introduced, and the stress distributing rule in membrane wrinkled area is analyzed. A dynamic analytical model of rectangular shear wrinkled membrane and its numerical analysis approach are also developed. Results indicate that the stress in wrinkled area is not uniform, i.e. it is larger in wrinkling wave peaks along wrinkles and two ends of wrinkle in vertical direction. Vibration modes of wrinkled membrane are strongly correlated with the wrinkling configurations. The rigidity is larger due to the heavier stress in the part of wrinkling wave peaks. Therefore, wave peaks are always located at the node lines of vibration mode. The vibration frequency obviously increases with the vibration of wave peaks.
ISSN:0567-7718
1614-3116
DOI:10.1007/s10409-011-0512-2