Nonlocal free vibration analysis of a doubly curved piezoelectric nano shell

被引：52
|
作者：
Arefi, Mohammad [1 ]
机构：
[1] Univ Kashan, Fac Mech Engn, Dept Solid Mech, Kashan 8731751167, Iran
来源：
STEEL AND COMPOSITE STRUCTURES | 2018年 / 27卷 / 04期
关键词：
doubly curved piezoelectric nano shells; nonlocal parameter; first-order shear deformation theory; Pasternak's foundation; free vibration; SHEAR DEFORMATION-THEORY; WINKLER-PASTERNAK FOUNDATION; TRIGONOMETRIC PLATE-THEORY; COMPOSITE SHALLOW SHELLS; MAGNETO-ELASTIC ANALYSIS; GRADED SANDWICH PLATES; HIGHER-ORDER SHEAR; WAVE-PROPAGATION; FACE-SHEETS; NONLINEAR VIBRATIONS;
D O I：
10.12989/scs.2018.27.4.479
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper nonlocal free vibration analysis of a doubly curved piezoelectric nano shell is studied. First order shear deformation theory and nonlocal elasticity theory is employed to derive governing equations of motion based on Hamilton's principle. The doubly curved piezoelectric nano shell is resting on Pasternak's foundation. A parametric study is presented to investigate the influence of significant parameters such as nonlocal parameter, two radii of curvature, and ratio of radius to thickness on the fundamental frequency of doubly curved piezoelectric nano shell.
引用
收藏
页码：479 / 493
页数：15
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