On the buckling and vibrational response of carbon nanotubes with spiral deformation
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Department of Solid Mechanics and Design, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia – UTM, Skudai, Johor
Department of Mechanical Engineering, The University of Birjand, Birjand
School of Engineering, Griffith University, Gold Coast Campus, Southport and School of Engineering, The University of Newcastle, Callaghan New South Wales
Journal of Theoretical and Applied Mechanics 2016;54(2):613-619
Perfect and spiral models of carbon nanotubes (CNTs) have been simulated based on the finite element method and their vibrational and buckling behavior has been investigated. In order to evaluate their natural frequency and critical buckling load, computational tests have been conducted. It has been concluded that the existence of any geometrical modification in the configuration of perfect CNTs results in a remarkable reduction in the natural frequency and critical buckling load of CNTs. It has been also revealed that the analytical solutions are in good agreement with the finite element simulation results in the cases of perfect and spiral CNTs.
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