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  • On the Modeling of Eigenmodes and Eigenfrequencies of Carbon Graphene Sheets under the Influence of Vacancy Defects

    Author(s)
    Kazemi, Seyedeh Alieh
    Yengejeh, Sadegh Imani
    Ochsner, Andreas
    Griffith University Author(s)
    Oechsner, Andreas
    Kazemi, Seyedeh Alieh
    Imani Yengejeh, Sadegh
    Year published
    2016
    Metadata
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    Abstract
    The vibrational behavior of defected graphene sheets was investigated via finite element analysis. The simulations were carried out for perfect and imperfect nanosheets. This study was conducted to examine the influence of vacant sites on these nanostructures. In the current study, a graphene sheet is considered as a space frame. The natural frequency and corresponding mode shapes of the perfect and defective nanosheets were obtained and compared. Results are presented as diagrams stating the natural frequency of graphene sheets with respect to the amount of vacancy defects. The results indicate that the natural frequency ...
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    The vibrational behavior of defected graphene sheets was investigated via finite element analysis. The simulations were carried out for perfect and imperfect nanosheets. This study was conducted to examine the influence of vacant sites on these nanostructures. In the current study, a graphene sheet is considered as a space frame. The natural frequency and corresponding mode shapes of the perfect and defective nanosheets were obtained and compared. Results are presented as diagrams stating the natural frequency of graphene sheets with respect to the amount of vacancy defects. The results indicate that the natural frequency of nanosheets reduced by introducing atomic defects to the configuration of these nanomaterials. Such impurities lower the vibrational stability of graphene sheets.
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    Journal Title
    Journal of Nano Research
    Volume
    38
    DOI
    https://doi.org/10.4028/www.scientific.net/JNanoR.38.101
    Subject
    Nanomaterials
    Chemical Sciences
    Engineering
    Technology
    Publication URI
    http://hdl.handle.net/10072/100174
    Collection
    • Journal articles

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