TAILIEUCHUNG - Dynamic stability analysis of laminated composite plates with piezoelectric layers

Using the finite element method (FEM) and construction calculation program in Matlab, the authors analyzed the elastic stability of piezoelectric composite plates under dynamic in-plane loads, taking into account damping properties of the structure. Critical loads and other factors affecting the stability of the plate are investigated. | Volume 36 Number 2 2 2014 Vietnam Journal of Mechanics, VAST, Vol. 36, No. 2 (2014), pp. 95 – 107 DYNAMIC STABILITY ANALYSIS OF LAMINATED COMPOSITE PLATES WITH PIEZOELECTRIC LAYERS Nguyen Thai Chung, Hoang Xuan Luong, Nguyen Thi Thanh Xuan∗ Le Quy Don Technical University, Hanoi, Vietnam ∗ E-mail: nguyenthanhxuancdgt@ Received December 02, 2013 Abstract. Research on the stability to determine the critical value of structures is a complex issue but of real significance. Piezoelectric composite plate is one of the structures which have the ability to control the mechanical behaviors under loads. One of the prominent capabilities of this structure is the ability to control its vibration and stability. Using the finite element method (FEM) and construction calculation program in Matlab, the authors analyzed the elastic stability of piezoelectric composite plates under dynamic in-plane loads, taking into account damping properties of the structure. Critical loads and other factors affecting the stability of the plate are investigated. Keywords: Piezoelectric, plate, dynamic stability, composite. 1. INTRODUCTION Stability analysis problem of piezoelectric composite plates under static loads has attracted many researchers, but due to the complexity, the stability problem of piezoelectric composite plates under dynamic loads has less results. Alfredo R. de Faria, Mauricio V. Donadon [1], Alfredo R. de Faria [2], Dimitris Varelis, Dimitris A. Saravanos [3], HuiShen Shen [4], Piotr Kedziora, Aleksander Muc [5], Rajan , Kamal [6] investigated static stability of composite plates with piezoelectric patches by analytical methods and combined analytical methods with numerical methods. The authors investigated the effect of the position of the piezoelectric patches on the critical load of the plates. Postbuckling and vibration characteristics of piezoelectric composite plates subjected to thermopiezoelectric loads were considered by . Oh, .

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• Dynamic stability analysis of laminated composite plates
• Laminated composite plates with piezoelectric layers
• Using the finite element method
• Dang Dinh Ang
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