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"
Nonlinear vibration of single walled carbon nanotube resonators
"
Fathi Nasr Abdulla Mayoof
Document Type
:
Latin Dissertation
Language of Document
:
English
Record Number
:
52743
Doc. No
:
TL22697
Call number
:
1456212
Main Entry
:
Fathi Nasr Abdulla Mayoof
Title & Author
:
Nonlinear vibration of single walled carbon nanotube resonators\ Fathi Nasr Abdulla Mayoof
College
:
King Fahd University of Petroleum and Minerals (Saudi Arabia)
Date
:
2008
Degree
:
M.S.
student score
:
2008
Page No
:
126
Abstract
:
Since their discovery in 1991, carbon nanotubes (CNT) have been recognized to be ideal components for a wealth of technological applications. Vibrations of carbon nanotubes are of considerable importance in a number of miniaturized devices such as oscillators, charge detectors, clocks, emission devices and sensors. This thesis presents a general study of nonlinear vibration of a single-walled carbon nanotube, which is doubly-clamped at a source and a drain. The carbon nanotube is excited harmonically by an electrostatic force. The problem is modeled in the context of an elastic continuum beam theory, involving a mid-plane stretching and phenomenological damping. The dynamic response of the nanobeam shows a sequence of period-doubling bifurcations leading to chaos where the carbon nanotube is assumed to be perfectly straight. Moreover, the model is extended to involve a curved single-walled carbon Nanotube, which is taken into account according to the strong evidence of existence of waviness in CNTs. The dynamic response of this case is simulated and showed a sequence of period - doubling bifurcation culminating to chaos. This case is suggested to be more realistic to model the vibration of the carbon nanotube in comparison to the earlier case.
Subject
:
Applied sciences; Mechanical engineering; 0548:Mechanical engineering
Added Entry
:
King Fahd University of Petroleum and Minerals (Saudi Arabia)
https://lib.clisel.com/site/catalogue/52743
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1456212_9144.pdf
1456212.pdf
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