Techno Press

Steel and Composite Structures   Volume 25, Number 2, October10 2017, pages 187-196
Transient thermo-piezo-elastic responses of a functionally graded piezoelectric plate under thermal shock
Qi-lin Xiong and Xin Tian

Abstract     [Full Text]
    In this work, transient thermo-piezo-elastic responses of an infinite functionally graded piezoelectric (FGPE) plate whose upper surface suffers time-dependent thermal shock are investigated in the context of different thermo-piezo-elastic theories. The thermal and mechanical properties of functionally graded piezoelectric plate under consideration are expressed as power functions of plate thickness variable. The solution of problem is obtained by solving the corresponding finite element governing equations in time domain directly. Transient thermo-piezo-elastic responses of the FGPE plate, including temperature, stress, displacement, electric intensity and electric potential are presented graphically and analyzed carefully to show multi-field coupling behaviors between them. In addition, the effects of functionally graded parameters on transient thermo-piezo-elastic responses are also investigated to provide a theoretical basis for the application of the FGPE materials.
Key Words
    transient thermo-piezo-elastic responses; thermal shock; multi-field coupling behavior; functionally graded piezoelectric plate
(1) Qi-lin Xiong:
Department of Mechanics, Huazhong University of Science & Technology, 1037 Luoyu Road, Wuhan 430074, China;
(2) Qi-lin Xiong:
Hubei Key Laboratory of Engineering Structural Analysis and Safety Assessment, 1037 Luoyu Road, Wuhan 430074, China;
(3) Xin Tian:
School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

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