Open Access10.12989/ANR.2021.10.2.151
Geometrically nonlinear thermo-mechanical analysis of graphene-reinforced moving polymer nanoplates
Mostafa Esmaeilzadeh,M.E. Golmakani,Mehran Kadkhodayan,Mohammadreza Amoozgar,Mahdi Bodaghi +4 more
- 01 Feb 2021
- Vol. 10, Iss: 2, pp 151-163
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TL;DR: In this article, the effect of nonlinear transient responses of moving polymer nano-size plates fortified by means of Graphene Platelets (GPLs) and resting on a Winkler-Pasternak foundation under a transverse pressure force and a temperature variation was investigated.
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Abstract: The main target of this study is to investigate nonlinear transient responses of moving polymer nano-size plates fortified by means of Graphene Platelets (GPLs) and resting on a Winkler-Pasternak foundation under a transverse pressure force and a temperature variation. Two graphene spreading forms dispersed through the plate thickness are studied, and the Halpin-Tsai micro-mechanics model is used to obtain the effective Young's modulus. Furthermore, the rule of mixture is employed to calculate the effective mass density and Poisson's ratio. In accordance with the first order shear deformation and von Karman theory for nonlinear systems, the kinematic equations are derived, and then nonlocal strain gradient scheme is used to reflect the effects of nonlocal and strain gradient parameters on small-size objects. Afterwards, a combined approach, kinetic dynamic relaxation method accompanied by Newmark technique, is hired for solving the time-varying equation sets, and Fortran program is developed to generate the numerical results. The accuracy of the current model is verified by comparative studies with available results in the literature. Finally, a parametric study is carried out to explore the effects of GPL's weight fractions and dispersion patterns, edge conditions, softening and hardening factors, the temperature change, the velocity of moving nanoplate and elastic foundation stiffness on the dynamic response of the structure. The result illustrates that the effects of nonlocality and strain gradient parameters are more remarkable in the higher magnitudes of the nanoplate speed.
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Citations
On the higher-order thermal vibrations of FG saturated porous cylindrical micro-shells integrated with nanocomposite skins in viscoelastic medium
TL;DR: In this article, the free vibrational behaviors of functionally graded saturated porous micro cylindrical shells with two nanocomposite skins were analyzed with the aid of extended form of Hamilton's principle for dynamic systems.
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A comprehensive review on the vibration analyses of small-scaled plate-based structures by utilizing the nonclassical continuum elasticity theories
TL;DR: In this paper , the authors present a review of the literature on vibrational analysis of small-scale plate-based structures using non-local platebased theories and non-classical continuum elasticity theories.
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Application of Variational Iterations Method for Studying Physically and Geometrically Nonlinear Kirchhoff Nanoplates: A Mathematical Justification
TL;DR: In this article , a development of the variational iteration method (VIM), or extended Kantorovich method, by studying physically nonlinear (FN) or geometrically nonlinear Kirchhoff nanoplates as an example was proposed.
Dynamic Vibration Response of Functionally Graded Porous Nanoplates in Thermal and Magnetic Fields under Moving Load
Ismail Esen,Mashhour A. Alazwari,Khalid H. Almitani,Mohamed A. Eltaher,A. Abdelrahman +4 more
TL;DR: This study investigates the dynamic vibration response of functionally graded porous nanoplates under thermal and magnetic fields, considering nonlocal strain gradient elasticity, shear deformation, and porosity effects, and finds that magnetic fields can dampen forced vibrations.
Nonlocal strain gradient theory for buckling and bending of FG-GRNC laminated sandwich plates
Muhammad Basha,Ahmed Amine Daikh,Ammar Melaibari,Ahmed Wagih,Ramzi Othman,Khalid H. Almitani,Mostafa A. Hamed,Alaa Abdelrahman,Mohamed A. Eltaher +8 more
TL;DR: A novel quasi-3D higher order shear deformation plate theory is developed to investigate bending and buckling behaviors of FG-GRNC laminated sandwich plates, considering nonlocal strain gradient theory and modified Halpin-Tsai model for material properties.
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New approach to investigate the nonlinear dynamic response and vibration of a functionally graded multilayer graphene nanocomposite plate on a viscoelastic Pasternak medium in a thermal environment
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Hakima Matouk,Abdelmoumen Anis Bousahla,Houari Heireche,Fouad Bourada,E.A. Adda Bedia,Abdelouahed Tounsi,S.R. Mahmoud,Abdeldjebbar Tounsi,Kouider Halim Benrahou +8 more
- 01 May 2020
TL;DR: In this article, the free vibrational behavior of the FG nano-beams integrated in the hygro-thermal environment and reposed on the elastic foundation is investigated using a novel integral Timoshenko beam theory (ITBT).