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    Article

    Free transverse vibration analysis of spinning Timoshenko–Ehrenfest nano-beams through two-phase local/nonlocal elasticity theory

    The present research aims to study the free transverse vibration of spinning nano-beams. Indeed, this research has conducted a numerical analysis through the generalized differential quadrature method, Timoshe...

    Reza Nazemnezhad, Roozbeh Ashrafian in Applied Physics A (2024)

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    A unique and comprehensive approach to investigate the transverse free vibration of non-uniform and functionally graded Euler–Bernoulli beams

    This study investigates the transverse free vibration of general type of non-uniform beams with general non-classical boundary conditions at both ends based on the exploitation of Cauchy’s formula for iterated...

    Kamiar Hosseini-Hashemi in Journal of the Brazilian Society of Mechan… (2023)

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    Article

    Nonlinear nano-rod-type analysis of internal resonances and geometrically considering nonlocal and inertial effects in terms of Rayleigh axial vibrations

    In the present study, a comprehensive modeling of the geometrically nonlinear free axial vibration of nanorod in presence of nonlocal and inertial of lateral motions effects is presented to analyze internal mo...

    Somaye Jamali Shakhlavi, Shahrokh Hosseini-Hashemi in The European Physical Journal Plus (2022)

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    Article

    On the study of nonlocal effect on the internal resonances of axial oscillation of nanorods

    This study aims to consider the nonlocal effect on internal resonances of nanorods in nonlinear axial vibration. To this end, the nonlocal nonlinear governing equation of motion and boundary conditions are der...

    Reza Nazemnezhad, Mojtaba Zare in Journal of the Brazilian Society of Mechan… (2021)

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    Article

    Temperature change effect on torsional vibration of nanorods embedded in an elastic medium using Rayleigh–Ritz method

    This paper studies torsional vibration of carbon nanotubes/nanorods embedded in an elastic medium under thermal stresses. Nonlocal theory is applied to the nanorod equations. The thermal stresses act in axial ...

    Sardar S. Abdullah in Journal of the Brazilian Society of Mechan… (2020)

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    Interlayer effects of Van der Waals interactions on transverse vibrational behavior of bilayer graphene sheets

    This study focuses only on the interlayer effects of van der Waals (VdWs) interactions (including simultaneous effects of shear and tensile-compressive effects) on the free transverse vibrational behavior of b...

    Kamran Kamali, Reza Nazemnezhad in Journal of the Brazilian Society of Mechan… (2018)

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    Study on tensile-compressive and shear effects of van der Waals interactions on free vibration of bilayer graphene nanoribbons

    This study comprehensively investigates tensile-compressive and shear effects of van der Waals (vdWs) interactions on free vibration of cantilever bilayer graphene nanoribbons (CBGNRs) to be answered to this q...

    Reza Nazemnezhad, Kamran Kamali, Shahrokh Hosseini-Hashemi in Meccanica (2017)

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    Natural frequency analysis of functionally graded rectangular nanoplates with different boundary conditions via an analytical method

    In this paper, the natural frequencies of a functionally graded nanoplate are analyzed for different combinations of boundary conditions. Application of new materials and specially the functionally graded mate...

    Mojtaba Zare, Reza Nazemnezhad, Shahrokh Hosseini-Hashemi in Meccanica (2015)

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    Axisymmetric/asymmetric buckling of functionally graded circular/annular Mindlin nanoplates via nonlocal elasticity

    This paper provides the axisymmetric/asymmetric buckling analysis of moderately thick circular and annular functionally graded (FG) nanoplates under uniform compressive in-plane loads. The material properties...

    Mohammad Bedroud, Reza Nazemnezhad, Shahrokh Hosseini-Hashemi in Meccanica (2015)

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    Article

    Nonlinear free vibration analysis of Timoshenko nanobeams with surface energy

    In this study, influences of balance condition and surface density in addition to the surface elasticity and stress on the nonlinear free vibration of Timoshenko and Euler–Bernoulli nanobeams are investigated....

    Reza Nazemnezhad, Shahrokh Hosseini-Hashemi in Meccanica (2015)

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    Article

    Surface effects on free vibration of piezoelectric functionally graded nanobeams using nonlocal elasticity

    Free vibration of functionally graded material (FGM) nanobeams is investigated by considering surface effects including surface elasticity, surface stress, and surface density as well as the piezoelectric fiel...

    Shahrokh Hosseini-Hashemi, Iman Nahas, Mahmood Fakher, Reza Nazemnezhad in Acta Mechanica (2014)

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    Article

    Buckling of circular/annular Mindlin nanoplates via nonlocal elasticity

    The present study proposes an analytical solution for the axisymmetric/asymmetric buckling analysis of moderately thick circular/annular Mindlin nanoplates under uniform radial compressive in-plane load. In or...

    Mohammad Bedroud, Shahrokh Hosseini-Hashemi, Reza Nazemnezhad in Acta Mechanica (2013)