The dynamic response of FG cylindrical beam subjected to bending and the centrifugal force of rotation on the basis of modified size-dependent high-order theories

Jun Xiang , Mengran Xu

Abstract

This paper examines the dynamic response of rotating nanodevices under the external harmonic load. The spinning nanosystem is made of nanoscale tubes that rotate around the central nanomotor and is mathematically modeled via high-order beam theory as well as nonclassical nonlocal theory for the size impact. According to the Hamilton principle, the dynamic motion equations are derived, then the time-dependent results are obtained using the Newmark Beta technique along with the generalized differential quadratic method. The presented results are discussed dynamic deflection, resonant frequency, and natural frequency in response to the different applicable parameters, which help develop and produce nanoelectromechanical systems (NEMS) for various applications.

Key Words

computational modelling; dynamic analysis; NEMS; resonant frequency; spinning structures

Address

(1) Jun Xiang — Faculty of Architecture and Civil Engineering, Huaiyin Institute of Technology, Huaian, Jiangsu 223001, China
(2) Mengran Xu — College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310000, Zhejiang, China
(3) Mengran Xu — The Fourth Engineering Company, Zhejiang Construction Investment Transportation Infrastructure Group Co., Ltd, Hangzhou 310000, Zhejiang, China.

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