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Published in: International Journal of Mechanics and Materials in Design 2/2020

17-07-2019

Nonlinear vibration of nanobeams under electrostatic force based on the nonlocal strain gradient theory

Authors: Van-Hieu Dang, Dong-Anh Nguyen, Minh-Quy Le, The-Hung Duong

Published in: International Journal of Mechanics and Materials in Design | Issue 2/2020

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Abstract

The nonlinear vibration of a nanobeam under electrostatic force is investigated through the nonlocal strain gradient theory. Using Galerkin method, the partial differential equation of motion is reduced to an ordinary nonlinear differential one. The equivalent linearization method with a weighted averaging and a variational approach are used independently to establish the frequency–amplitude relationship under closed-forms for comparison purpose. Effects of material and operational parameters on the frequency ratio (the ratio of nonlinear frequency to linear frequency), on the nonlinear frequency, and on the stable configuration of the nanobeam are studied and discussed.

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Metadata
Title
Nonlinear vibration of nanobeams under electrostatic force based on the nonlocal strain gradient theory
Authors
Van-Hieu Dang
Dong-Anh Nguyen
Minh-Quy Le
The-Hung Duong
Publication date
17-07-2019
Publisher
Springer Netherlands
Published in
International Journal of Mechanics and Materials in Design / Issue 2/2020
Print ISSN: 1569-1713
Electronic ISSN: 1573-8841
DOI
https://doi.org/10.1007/s10999-019-09468-8

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