NDLI: Effect of uncertainty parameters on graphene sheets Young’s modulus prediction

Content Provider	Springer Nature Link
Author	Sahlaoui, Habib Guedri, Mohamed Sidhom, Habib
Copyright Year	2013
Abstract	Software based on molecular structural mechanics approach (MSMA) and using finite element method (FEM) has been developed to predict the Young’s modulus of graphene sheets. Obtained results have been compared to results available in the literature and good agreement has been shown when the same values of uncertainty parameters are used. A sensibility of the models to their uncertainty parameters has been investigated using a stochastic finite element method (SFEM). The different values of the used uncertainty parameters, such as molecular mechanics force field constants k $_{ r }$ and k $_{ θ }$, thickness (t) of a graphene sheet and length (L $_{ B }$) of a carboncarbon bonds, have been collected from the literature. Strong sensibilities of 91% to the thickness and of 21% to the stretching force (k $_{ r }$) have been shown. The results justify the great difference between Young’s modulus predicted values of the graphene sheets and their large disagreement with experimental results.
Starting Page	2769
Ending Page	2774
Page Count	6
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	27
Issue Number	9
e-ISSN	19763824
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-09-19
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Graphene sheet Nanotubes Modeling Sensibility Uncertainty parameters Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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