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Type: Journal article
Title: Nonlinear coupled mechanics of nanotubes incorporating both nonlocal and strain gradient effects
Author: Ghayesh, M.H.
Farajpour Ouderji, A.
Citation: Mechanics of Advanced Materials and Structures, 2020; 27(5):373-382
Publisher: Taylor & Francis
Issue Date: 2020
ISSN: 1537-6494
Statement of
Mergen H. Ghayesh and Ali Farajpour
Abstract: The coupled nonlinear mechanical behavior of nonlocal strain gradient nanotubes subject to distributed excitation forcing is investigated for the first time. Both longitudinal displacements and transverse deflection are taken into consideration in both the continuum-based formulation and the numerical solution. The influences of being at the nanoscale level are modeled with the use of the nonlocal strain gradient theory. The coupled large amplitude motion characteristics are extracted via Galerkin's approach and a continuation method. The influences of scale coefficients, the slenderness ratio, and the force amplitude of the external forcing on the motion are examined.
Keywords: Coupled motions; nonlinear mechanics; nanoscale tubes; nonlocal strain gradient elasticity; scale effects
Rights: © 2018 Taylor & Francis Group, LLC
DOI: 10.1080/15376494.2018.1473537
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