NDLI: Wave propagation in carbon nanotubes embedded in an elastic matrix

Content Provider	Springer Nature Link
Author	Dong, K. Wang, X.
Copyright Year	2007
Abstract	This paper reports the results of an investigation into the characteristics of wave propagation in carbon nanotubes embedded in an elastic matrix, based on an exact shell model. Each of the concentric tubes of multi-walled carbon nanotubes is considered as an individual elastic shell and coupled together through the van der Waals forces between two adjacent tubes. The matrix surrounding carbon nanotubes is described as a spring element defined by the Winkler model. The effects of rotatory inertia and elastic matrix on the wave velocity, the critical frequency, and the amplitude ratio between two adjacent tubes are described and discussed through numerical examples. The results obtained show that wave propagation in carbon nanotubes may appear in a critical frequency at which the wave velocity changes suddenly; the elastic matrix surrounding carbon nanotubes debases the critical frequency and the wave velocity, and changes the vibration modes between two adjacent tubes; the rotatory inertia based on an exact shell model obviously influences the wave velocity at some wave modes. Finally, a comparison of dispersion solutions from different shell models is given. The present work may serve as a useful reference for the application and the design of nano-electronic and nano-drive devices, nano-oscillators, and nano-sensors, in which carbon nanotubes act as basic elements.
Starting Page	575
Ending Page	586
Page Count	12
File Format	PDF
ISSN	09391533
Journal	Archive of Applied Mechanics
Volume Number	77
Issue Number	8
e-ISSN	14320681
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-02-14
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon nanotubes Wave propagation Elastic matrix Systems and Information Theory in Engineering Thermodynamics Fluids Complexity Mechanics Theoretical and Applied Mechanics
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering

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