Free vibrations and buckling of graphene sheets |
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Authors: | V V Alyokhin B D Annin A V Babichev S N Korobeynikov |
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Institution: | 1. Novosibirsk National Research State University, ul. Pirogova 2, Novosibirsk, 630090, Russia 2. Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, ul. Akademika Lavrent’eva 15, Novosibirsk, 630090, Russia
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Abstract: | The molecular mechanics method is used to determine both eigenfrequencies and modes of vibrations and the critical compressing loads and buckling modes of graphene sheets. To simulate interatomic interactions in graphene, the DREIDING field of potential forces is used. This field includes four types of potential energies of covalent atomic interactions such as central forces, the variations in the angle between the neighboring bonds, the dihedral angle that is responsible for the torsion of the covalent bond, and the inversion angle (the angle corresponding to the retiring of the atom from the plane relative to three neighboring atoms). |
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