Design criteria for functionally graded piezoelectric plates under thermo-electro-mechanical loadings

被引：10

作者：

Nourmohammadi, Hossein ^{[1
]}

Behjat, Bashir ^{[1
]}

机构：

[1] Sahand Univ Technol, Fac Mech Engn, POB 51335-1996, Tabriz, Iran

来源：

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2016年 / 27卷 / 16期

关键词：

functionally graded piezoelectric material; finite element; thermal loads; piezoelectric; optimum power law index; FINITE-ELEMENT; ACTUATORS; GRADIENT; SHELLS; CYLINDERS; SENSORS; LOADS;

D O I：

10.1177/1045389X15624803

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article, the static bending response of the functionally graded piezoelectric material plate is investigated based on the first-order shear deformation plate theory (FSDT) under mechanical, electrical, and thermal loads using finite element method. All mechanical, thermal, and piezoelectric properties, except Poisson's ratio, obey the power law distribution through the thickness. The effects of different volume fraction index, thickness, and various loading conditions are studied on the deflection of functionally graded piezoelectric material plate. The deflection of functionally graded piezoelectric material plate under thermal and electrical loadings versus power law index has been obtained. It is inferred that the correlations between the deflection and the power law index are completely different in the mechanical and thermal loadings, which can be used to design structures in actuator or sensor state. By considering the variation of deflection versus power law index, the proper operation point of the structure can be selected based on the sensor or actuator behavior of the plate.

引用

页码：2249 / 2260

页数：12

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