Investigating Nonlinear Vibration of a Fully Clamped Nanobeam in Presence of the van der Waals Attraction

被引：7

作者：

Askari, Amir Reza ^{[1
]}

Tahani, Masoud ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Fac Engn, Dept Mech Engn, Mashhad, Iran

来源：

VIBRATION, STRUCTURAL ENGINEERING AND MEASUREMENT II, PTS 1-3 | 2012年 / 226-228卷

关键词：

NEMS; van der Waals force; Homotopy analysis method; Galerkin decomposition method; MICROELECTROMECHANICAL SYSTEM; OSCILLATOR; FORCE; MEMS;

D O I：

10.4028/www.scientific.net/AMM.226-228.181

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, combination of the Galerkin decomposition procedure and homotopy analysis method (HAM) is utilized to derive analytical approximate solutions for nonlinear vibration of a fully clamped nanobeam used in the applications of nano-electromechanical systems (NEMS), under the effect of van der Waals (vdW) force. The model accounts for the inherent nonlinearity of distributed vdW force and geometrical nonlinearity of von Karman mid-plane stretching as well as the influence of applied axial loading. The HAM is also optimized to accelerate the convergence of approximate solution. The present results are found to agree well with those obtained by the fourth-order Runge-Kutta method.

引用

页码：181 / 185

页数：5

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