Applied Mathematical Modelling, ( ISI ), Volume (57), No (1), Year (2018-6) , Pages (21-36)

Title : ( Analytical solution for nonlocal coupled thermoelasticity analysis in a heat-affected MEMS/NEMS beam resonator based on Green-Naghdi theory )

Authors: Seyed Mahmoud Hosseini ,

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Abstract

In this article, an analytical solution is presented for coupled thermoelasticity analysis (with energy dissipation) in a micro/nano beam resonator, considering small scale effects on the transient behaviors of fields’ variables. The Green-Naghdi (GN) theory of generalized coupled thermoelasticity and nonlocal Rayleigh beam theory (NRBT) are employed to derive the temperature and lateral deflection in the closed forms. The presented analytical solution is based on Laplace transform. To find the dynamic and transient behaviors of fields’ variables in time domain, an inversion Laplace technique is utilized, which is called Talbot method. The effects of some parameters such as small scale parameter and dimensions of the beam on the dynamic behaviors of temperature and lateral deflections are discussed in details. The propagation of wave fronts in both temperature and lateral deflection domains are obtained and graphically illustrated at various time instants.

Keywords

, MEMS; NEMS; Coupled thermoelasticity; Nonlocal theory; Green, Naghdi theory; Analytical solution
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@article{paperid:1066167,
author = {Hosseini, Seyed Mahmoud},
title = {Analytical solution for nonlocal coupled thermoelasticity analysis in a heat-affected MEMS/NEMS beam resonator based on Green-Naghdi theory},
journal = {Applied Mathematical Modelling},
year = {2018},
volume = {57},
number = {1},
month = {June},
issn = {0307-904X},
pages = {21--36},
numpages = {15},
keywords = {MEMS; NEMS; Coupled thermoelasticity; Nonlocal theory; Green-Naghdi theory; Analytical solution},
}

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%0 Journal Article
%T Analytical solution for nonlocal coupled thermoelasticity analysis in a heat-affected MEMS/NEMS beam resonator based on Green-Naghdi theory
%A Hosseini, Seyed Mahmoud
%J Applied Mathematical Modelling
%@ 0307-904X
%D 2018

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