On the free vibrations of a piezoceramic hollow sphere

被引：16

作者：

Chiroiu, Veturia ^{[1
]}

Munteanu, Ligia ^{[1
]}

机构：

[1] Romanian Acad, Inst Solid Mech, Bucharest 010141, Romania

来源：

MECHANICS RESEARCH COMMUNICATIONS | 2007年 / 34卷 / 02期

关键词：

hollow sphere; free vibrations; piezoelasticity; graded material; cnoidal method; genetic algorithm;

D O I：

10.1016/j.mechrescom.2006.06.011

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The aim of the paper is to analyze the free vibrations of a piezoceramic hollow sphere with radial polarization. Using the cnoidal method and a genetic algorithm solves the equations of a radially inhomogeneous spherically isotropic piezoelastic medium. The Reddy and the cosine laws represent the functionally graded property of material. It is seen that for a piezoceramic hollow sphere, the piezoelectric effect consists in increasing the values for the natural frequencies in the specified classes of vibrations. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：123 / 129

页数：7

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