Techno Press

Steel and Composite Structures   Volume 15, Number 1, July 2013, pages 57-79
Dynamic stability analysis of laminated composite plates in thermal environments
Chun-Sheng Chen, Ting-Chiang Tsai, Wei-Ren Chen and Ching-Long Wei

Abstract     [Full Text]
    This paper studies the dynamic instability of laminated composite plates under thermal and arbitrary in-plane periodic loads using first-order shear deformation plate theory. The governing partial differential equations of motion are established by a perturbation technique. Then, the Galerkin method is applied to reduce the partial differential equations to ordinary differential equations. Based on Bolotin\'s method, the system equations of Mathieu-type are formulated and used to determine dynamic instability regions of laminated plates in the thermal environment. The effects of temperature, layer number, modulus ratio and load parameters on the dynamic instability of laminated plates are investigated. The results reveal that static and dynamic load, layer number, modulus ratio and uniform temperature rise have a significant influence on the thermal dynamic behavior of laminated plates.
Key Words
    dynamic instability; laminated plates; Bolotin\'s method; temperature
(1) Chun-Sheng Chen, Ching-Long Wei: Department of Mechanical Engineering, Lunghwa University of Science and Technology, Guishan Shiang 33306, Taiwan;
(2) Ting-Chiang Tsai: Department of Mechanical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan;
(3) Wei-Ren Chen: Department of Mechanical Engineering, Chinese Culture University, Taipei 11114, Taiwan.

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