Calculating Mechanics Characteristics of Single-Walled Carbon Nanotube Materials by Finite Element Method

Abstract:

In this paper, we establish the mechanical property analysis of Single-walled Carbon Nanotubes (SWCNTs) modified beam element model based on the molecular structural mechanics method. Then we study the mechanical properties of their radial direction characteristics using the finite element software Abaqus. The model simulated the different bending stiffness with rectangular section beam elements C-C chemical force field. When the graphene curled into arbitrary chirality of SWCNTs spatial structure, the adjacent beam position will change the moment of inertia of the section of the beam. Compared with the original beam element model and the calculation results, we found that the established model largely reduced the overestimate of the original model of mechanical properties on the radial direction of the SWCNTs. At the same time, compared with other methods available in the literature results and the experimental data, the results can be in good agreement.

• Periodical: Key Engineering Materials (Volume 730)
• Pages: 548-553
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.730.548
• Online since: February 2017
• Authors: Jing Ge, Hao Jiang, Zhen Yu Sun, Guo Jun Yu, Bo Su, Tiger Sun*
• Keywords: Finite Element Method (FEM), Mechanics Characteristics, Molecular Structural Mechanics, Single-Walled Carbon Nanotubes

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