IIAE CONFERENCE SYSTEM, The 5th IIAE International Conference on Industrial Application Engineering 2017 (ICIAE2017)

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Finite Element Analysis of Piezoelectric Functionally Graded Materials with the Variation of Volume Fraction Index
Aunyamanee Chadajit, Veena Phunpeng

Last modified: 2017-02-26

Abstract


In this paper, the material properties of functionally graded piezoelectric materials (FGPMs) are investigated. Varying through the beam thickness under electro-mechanical loads by applying Euler-Bernoulli Beam Theory (EBT) and Timoshenko beam Theory (TBT). Results from standard FEM using Lagrange and Hermite polynomial shape functions are reported and compared with those from standard FEM based on different beam theories. The FEM discretization employed to investigate FGPMs shows an excellent agreement with available results in the literature, with the results being in close agreement with those obtained from Aldrahem and Khdeir (1999) using first order beam theory (FOBT). FEM has therefore been shown to be an excellent tool for investigating FGPMs, with advantages over previously used methods including a high efficiency due to the large class of finite element discretizations available that are tailored to particular applications.


Keywords


Finite element method, functionally graded beam, piezoelectric materials, volume fraction index

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