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  DOI Prefix   10.20431


 

International Journal of Modern Studies in Mechanical Engineering
Volume 2, Issue 1, 2016, Page No: 38-45
doi:dx.doi.org/10.20431/2454-9711.0201004

Studies of Cavity Effects on Graphene Sheets via Molecular Dynamics

Avik Samanta1, Qinghua Wang1, Shaoping Xiao1

1.3131 Seamans Center, Department of Mechanical and Industrial Engineering, The University of Iowa, Iowa City, Iowa 52242

Citation : Avik Samanta, Qinghua Wang, Shaoping Xiao, Studies of Cavity Effects on Graphene Sheets via Molecular Dynamics International Journal of Modern Studies in Mechanical Engineering 2016, 2(1) : 38-45

Abstract

In this paper, the effects of cavities on graphene sheet failure were studied via molecular dynamics simulations. The graphene sheets with one centrally located cavity were simulated first. The Young's modulus and failure stress were calculated based on the simulated stress-strain curves. In addition, two or three cavities and their locations were also considered in this study. The Von Mises stress evolution indicated that the failure mechanism of graphene sheets with cavities were different from the one of a perfect graphene sheet.


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