The dissimilarities between graphene and frame-like structures

Atif, Rasheed and Inam, Fawad (2016) The dissimilarities between graphene and frame-like structures. Graphene, 5 (2). pp. 55-72. ISSN 2169-3471

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Modeling and simulation allow methodical variation of material properties beyond the capacity of experimental methods. Due to the hexagonal structure of graphene, it is considered as frame-like structure. In the frame, covalent C-C bonds are taken as beams joined together with carbon atoms placed at the joints. Uniaxial beam elements, defined by their cross-sectional area, material properties, and moment of inertia represent the covalent bonds. The parameters of the beam elements are determined by establishing equivalence between structural and computational mechanics. However, the bonds connecting the carbon atoms do not have physical existence as they are a compromise between attractive and repulsive forces. Also, defects at nanoscale make graphene different from frame-like structure. In addition, the topography of graphene makes it non-linear structure and even the axial loading changes to eccentric loading. Here we show that, by using basic statics principles, disparities between graphene and frame-likes structures can be highlighted.

Item Type: Article
Uncontrolled Keywords: Modeling, Graphene, Frame-Like Structure, Topographical Features, Stress Concentration
Subjects: F200 Materials Science
F300 Physics
H100 General Engineering
H300 Mechanical Engineering
H900 Others in Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Fawad Inam
Date Deposited: 14 Apr 2016 10:01
Last Modified: 01 Aug 2021 03:23

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