Free vibration of layered magnetoelectroelastic spheres

被引：6
|
作者：
Heyliger, P. R. [1 ]
Pan, E. [2 ]
机构：
[1] Colorado State Univ, Dept Civil & Environm Engn, Ft Collins, CO 80523 USA
[2] Univ Akron, Dept Civil Engn, Akron, OH 44325 USA
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2016年 / 140卷 / 02期
关键词：
HOLLOW SPHERES; RADIAL DEFORMATION;
D O I：
10.1121/1.4960545
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A discrete-layer model is presented and applied to the free vibration of layered anisotropic spheres with coupling among the elastic, electric, and magnetic fields. Through-thickness approximations in the radial direction are pre-integrated and combined with independent approximations in the azimuthal and circumferential directions to provide estimates of the natural frequencies for a variety of representative geometries. Results are in excellent agreement with existing analytical studies and additional results are presented for higher-order spheroidal modes. Predictions of the level of influence of magnetoelectric coupling are also given. (C) 2016 Acoustical Society of America.
引用
收藏
页码：988 / 999
页数：12
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