Vibration Response of an Elastically Connected Double-Smart Nanobeam-System Based Nano-Electro-Mechanical Sensor

Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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JR_JSMA-7-2_001

تاریخ نمایه سازی: 27 فروردین 1399

Abstract:

Nonlocal vibration of double-smart nanobeam-systems (DSNBSs) under a moving nanoparticle is investigated in the present study based on Timoshenko beam model. The  two  smart  nanobeams (SNB) are  coupled  by  an  enclosing  elastic  medium  which  is  simulated  by  Pasternak foundation. The energy method and Hamilton’s principle are used to establish the equations of motion. The detailed parametric study is conducted, focusing on the combined effects of the nonlocal parameter, elastic medium coefficients, external voltage, length of SNB and the mass of attached nanoparticle on the frequency of piezoelectric nanobeam. The results depict that the imposed external voltage is an effective controlling parameter for vibration of the piezoelectric nanobeam. Also increase in the mass of attached nanoparticle gives rise to a decrease in the natural frequency. This study might be useful for the design and smart control of nano-devices.

Authors

A Ghorbanpour Arani

Faculty of Mechanical Engineering, University of Kashan--- Institute of Nanoscience & Nanotechnology, University of Kashan

S.A Mortazavi

Faculty of Mechanical Engineering, University of Kashan

R Kolahchi

Faculty of Mechanical Engineering, University of Kashan

A.H Ghorbanpour Arani

Faculty of Mechanical Engineering, University of Kashan

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