Investigation on electromagnetothermoelastic interaction of functionally graded piezoelectric hollow spheres

被引：0
|
作者：
Dai, Hong-Liang [1 ,2 ]
Rao, Yan-Ni [1 ,2 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Coll Mech & Vehicle Engn, Dept Mech Engn, Changsha 410082, Hunan, Peoples R China
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2011年 / 40卷 / 01期
基金：
中国国家自然科学基金;
关键词：
functionally graded piezoelectric material (FGPM); hollow sphere; analytical method; electromagnetothermoelastic; perturbation of magnetic field vector; MAGNETIC-FIELD; CYLINDER; STRESSES; LOADS;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An analytical method is presented to investigate electromagnetothermoelastic behaviors of a hollow sphere composed of functionally graded piezoelectric material (FGPM), placed in a uniform magnetic field, subjected to electric, thermal and mechanical loads. For the case that material properties obey an identical power law in the radial direction of the FGPM hollow sphere, exact solutions for electric displacement, stresses, electric potential and perturbation of magnetic field vector in the FGPM hollow sphere are determined by using the infinitesimal theory of electromagnetothennoelasticity. Some useful discussion and numerical examples are presented to show the significant influence of material inhomogeneity. The aim of this research is to understand the effect of composition on electromagnetothermoelastic stresses and to design optimum FGPM hollow spheres.
引用
收藏
页码：49 / 64
页数：16
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