Abstract
Purpose
Material properties of CNTs are frequently not validated due to experimental limitations. Because of the experimental limitations, authors considered a simulation-based technique created on molecular mechanics concept for incorporating mechanical characteristics of single-walled and double-walled carbon nanotubes.
Method
Authors performed a tensile analysis on SWCNTs (armchair, zigzag and chiral) and DWCNTs (chiral–chiral, zigzag–zigzag, and armchair–armchair) to predict Young’s modulus, stress and ultimate strength of tubes. Authors considered the vdW (van der Waals) in the middle of two nanotubes in DWCNTs prototypes. Here, in analysis, novelty is various bending angles ranging from 0\(^\circ\) to 90\(^\circ\) considered by authors.
Results
Authors considered the vdW in between the two tubes which is a more accurate method to evaluate the mechanical properties of DWCNTs. So, authors considered with and without vdW in between two tubes and compared. Authors also observed that when vdW is considered between two tubes, then Young’s modulus of DWCNTs is higher than the without vdW.
Conclusion
It is clearly observed that when bending angle increased, the Young’s modulus of SWCNTs of all three types of tubes decreased.
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Ardeshana, B., Jani, U. & Patel, A. Influence of Bending Angle on Mechanical Performance of SWCNTs and DWCNTs Based on Molecular Mechanics: FE Approach. J. Vib. Eng. Technol. 11, 251–264 (2023). https://doi.org/10.1007/s42417-022-00575-z
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DOI: https://doi.org/10.1007/s42417-022-00575-z