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Research on Nonlinear Vibration Characteristics of Saddle- Shaped Orthotropic Membrane
Current Issue
Volume 5, 2017
Issue 1 (February)
Pages: 1-7   |   Vol. 5, No. 1, February 2017   |   Follow on         
Paper in PDF Downloads: 28   Since Jun. 15, 2017 Views: 1131   Since Jun. 15, 2017
Authors
[1]
Song Weiju, City College of Science and Technology, Chongqing University, Chongqing, P. R. China.
[2]
Wang Xinxin, City College of Science and Technology, Chongqing University, Chongqing, P. R. China.
[3]
Wang Xiaowei, City College of Science and Technology, Chongqing University, Chongqing, P. R. China.
Abstract
This paper, the nonlinear free vibration of saddle shaped Orthotropic Membrane is investigated. The Krylov-Bogolubov-Mitropolsky (KBM) perturbation method is employed for solving the governing equations of large amplitude nonlinear vibration of the membranes Presented herein are asymptotic analytical solutions for the frequency function of large amplitude nonlinear damped vibration of rectangular orthotropic membranes with four edges fixed. Through the computational example, The influence regularity of vibratory parameters such as structural parameters, initial displacement and vibration modes was studied. Which shows that the orthotropy and geometrical nonlinearity is significant for preventing destructive in membrane structures. In addition, the results provide some computational basis for the vibration control and dynamic design of membrane structures.
Keywords
Membrane Structures, KBM Perturbation Method, Nonlinear Vibration, Rise Span Ratio
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