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HomeMaterials Science ForumMaterials Science Forum Vol. 1104Torsional Dynamics of Axially Graded Viscoelastic...

Torsional Dynamics of Axially Graded Viscoelastic Carbon Nanotubes

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Abstract:

Torsional vibration analysis of the axially functionally graded carbon nanotubes has been carried out. Nonlocal stress gradient elasticity theory has been used in continuum mechanics model of the carbon nanotube. Variation of the material properties of the axially graded nanostructure has been assumed in exponential form. Differently from the majority of literature works, viscous damping and nonlocal parameters have been assumed in grading form. Energy functional for the carbon nanotube has been achieved with minimum potential energy principle and weak form solution has been obtained with the Ritz Method. Effects of material grading, nonlocality and viscoelasticity to the torsional dynamics of axially graded carbon nanotube have been investigated. Results of the present work could be useful in modeling and production of axially functionally graded nanostructures.

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Periodical:

Materials Science Forum (Volume 1104)

Pages:

89-96

DOI:

https://doi.org/10.4028/p-6Mafus

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Online since:

November 2023

Authors:

Mustafa Arda*, Metin Aydogdu

Keywords:

Axially Graded, Carbon Nanotubes, Nonlocal Elasticity, Torsional Vibration, Viscoelasticity

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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