Techno Press
Techno Press

Structural Engineering and Mechanics
  Volume 23, Number 1, May10 2006 , pages 97-113
DOI: https://doi.org/10.12989/sem.2006.23.1.097
 

Bending and free vibration analysis of a smart
functionally graded plate
Z. G. Bian, J. Ying, W. Q. Chen and H. J. Ding

 
Abstract
    A simply supported hybrid plate consisting of top and bottom functionally graded elastic layers and an intermediate actuating or sensing homogeneous piezoelectric layer is investigated by an elasticity (piezoelasticity) method, which is based on state space formulations. The general spring layer model is adopted to consider the effect of bonding adhesives between the piezoelectric layer and the two functionally graded ones. The two functionally graded layers are inhomogeneous along the thickness direction, which are approached by laminate models. The effect of interlaminar bonding imperfections on the static bending and free vibration of the smart plate is discussed in the numerical examples.
 
Key Words
    functionally graded material; piezoelectric layer; state space approach; spring layer model.
 
Address
Z. G. Bian; Department of Civil Engineering, Zhejiang University, Hangzhou 310027, P. R. China
J. Ying; Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, P. R. China
W. Q. Chen and H. J. Ding; Department of Civil Engineering, Zhejiang University, Hangzhou 310027, P. R. China
 
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