Dynamic stability analysis of laminated composite plates with piezoelectric layers

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.

Numerical and Experimental Analysis of the Dynamic Behavior of Piezoelectric Stiffened Composite Plates Subjected to Airflow

“…Using the Mindlin formulation, the displacements u, v, and w at a point (x,y,z) form the median surface and are expressed as functions of mid-plane displacements u 0 , v 0 , and w 0 and independent rotations x and y of the normal in xz and yz planes, respectively, as [11,15,16]…”

“…The solution of nonlinear equation ( 43) is carried out using Newmark direct and Newton-Raphson iteration method [11,21].…”

“…In 2016, Zafer K and Zahit M [10] presented a paper on flutter analysis of a laminated composite plate with temperature dependent material properties. N. T. Chung, H. X. Luong, and N. T. T. Xuan [11] studied the dynamic stability of laminated composite plate with piezoelectric layers. N. N. Thuy and N. T. Chung [12] have presented a paper on the dynamic analysis of smart stiffened composite plates using higher order theory.…”