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首页> 外文期刊>Journal of nano research >On the Modeling of Eigenmodes and Eigenfrequencies of Carbon Graphene Sheets under the Influence of Vacancy Defects
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On the Modeling of Eigenmodes and Eigenfrequencies of Carbon Graphene Sheets under the Influence of Vacancy Defects

机译：空位缺陷影响下碳石墨烯片的本征模和本征频率建模

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摘要

The vibrational behavior of defected graphene sheets was investigated via finite element analysis. The simulations were carried out for perfect and imperfect nano-sheets. This study was conducted to examine the influence of vacant sites on these nano-structures. 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 nano-sheets 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 nano-sheets reduced by introducing atomic defects to the configuration of these nano-materials. Such impurities lower the vibrational stability of graphene sheets.
机译：通过有限元分析研究了缺陷石墨烯片的振动行为。对完美和不完美的纳米片进行了仿真。进行这项研究以检查空位对这些纳米结构的影响。在当前的研究中，石墨烯片被认为是空间框架。获得并比较了完美和有缺陷的纳米片的固有频率和相应的模态形状。结果以图表形式显示，说明了石墨烯片材相对于空位缺陷数量的固有频率。结果表明，通过将原子缺陷引入这些纳米材料的构造中，纳米片的固有频率降低了。这些杂质降低了石墨烯片的振动稳定性。

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