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  • Combination effect of waviness and vacancy defects on the natural frequency of single walled carbon nanotubes

    Author(s)
    Amjadipour, M
    Dao, DV
    Motta, N
    Griffith University Author(s)
    Dao, Dzung V.
    Year published
    2016
    Metadata
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    Abstract
    The combination effect of waviness and vacancy defects on the natural frequency of single walled carbon nanotubes (SWCNTs) is investigated. A model based on molecular dynamics and finite element method has been developed for simulation. For the first time, the effects of boundary condition and waviness shape on the vibrational behaviour of wavy-vacancy defected zigzag SWCNTs are presented. The results indicate that for longer SWCNTs, waviness affects the natural frequency more significantly than vacancy defects. Vacancy defects play a more important role in shifting the natural frequency in clamped-clamped SWCNT compared to ...
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    The combination effect of waviness and vacancy defects on the natural frequency of single walled carbon nanotubes (SWCNTs) is investigated. A model based on molecular dynamics and finite element method has been developed for simulation. For the first time, the effects of boundary condition and waviness shape on the vibrational behaviour of wavy-vacancy defected zigzag SWCNTs are presented. The results indicate that for longer SWCNTs, waviness affects the natural frequency more significantly than vacancy defects. Vacancy defects play a more important role in shifting the natural frequency in clamped-clamped SWCNT compared to the clamped-free structure. While the waviness shape drastically influences the effect of waviness on the natural frequency, it does not affect the effect of vacancy defects considerably.
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    Journal Title
    Journal of Computational and Theoretical Nanoscience
    Volume
    13
    Issue
    8
    DOI
    https://doi.org/10.1166/jctn.2016.5379
    Copyright Statement
    Self-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the author[s] for more information.
    Subject
    Atomic, molecular and optical physics
    Mechanical engineering
    Nanotechnology
    Nanotechnology not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/204560
    Collection
    • Journal articles

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