Surface Effects of AdsorptionInduced Resonance Analysis of Micro/Nanobeams via Nonlocal Elasticity

XU Xiao-jian1; DENG Zi-chen1

doi:10.3879/j.issn.1000-0887.2013.01.002

Volume 34 Issue 1

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XU Xiao-jian1, DENG Zi-chen1. Surface Effects of AdsorptionInduced Resonance Analysis of Micro/Nanobeams via Nonlocal Elasticity[J]. Applied Mathematics and Mechanics, 2013, 34(1): 10-17. doi: 10.3879/j.issn.1000-0887.2013.01.002

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Surface Effects of AdsorptionInduced Resonance Analysis of Micro/Nanobeams via Nonlocal Elasticity

doi: 10.3879/j.issn.1000-0887.2013.01.002

XU Xiao-jian1¹,
DENG Zi-chen1^1,2

¹Department of Engineering Mechanics, Northwestern Polytechnical University,Xi’an 710129, P.R.China;²State Key Laboratory of Structural Analysis for Industrial Equipment,Dalian University of Technology, Dalian, Liaoning 116024, P.R.China

Received Date: 2012-05-14
Rev Recd Date: 2012-11-22
Publish Date: 2013-01-15

Abstract

Abstract

The governing differential equation of micro/nanobeams with atom/molecule adsorption was derived in presence of surface effects using the nonlocal elasticity. The effects of nonlocal parameter, adsorption density and the surface parameter on resonant frequency of the micro/nanobeams were investigated. It is found that, in addition to the nonlocal parameter and surface parameter, the bending rigidity and the adsorptioninduced mass exhibit different behaviors with the increase of adsorption density depending on the adatom category and the substrate material.
- micro and mano electromechanic system(NEMS/MEMS) sensors,
- nonlocal elasticity,
- surface effects,
- vibration,
- atom/molecular adsorption

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References(31)

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