ANALYSIS OF NONLINEAR VIBRATIONS FOR MULTI-WALLED CARBON NANOTUBES EMBEDDED IN AN ELASTIC MEDIUM

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GHORBANPOUR ARANI A.; RABBANI H.; AMIR S.; KHODDAMI MARAGHI Z.; MOHAMMADIMEHR M.; HAGHPARAST E.

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Journal: JOURNAL OF SOLID MECHANICS Year:2011 | Volume:3 | Issue:3 Page(s): 258-270

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Title

ANALYSIS OF NONLINEAR VIBRATIONS FOR MULTI-WALLED CARBON NANOTUBES EMBEDDED IN AN ELASTIC MEDIUM

Author(s)

Keywords

NONLINEAR VIBRATION

NANOTUBES

VAN DER WAALS

EULER-BERNOULLI BEAM

NATURAL FREQUENCY

Abstract

Nonlinear free vibration analysis of double-walled carbon NANOTUBES (DWCNTs) embedded in an elastic medium is studied in this paper based on classical (local) EULER-BERNOULLI BEAM theory. Using the averaging method, the nonlinear free vibration responses of DWCNTs are obtained. The result is compared with the obtained results from the harmonic balance method for single-walled carbon NANOTUBES (SWCNTs) and DWCNTs. The effects of the surrounding elastic medium, VAN DER WAALS (vdW) forces and aspect ratio of SWCNTs and DWCNTs on the vibration amplitude are discussed. The error percentage of the nonlinear free vibration frequencies between two theories decreases with increasing the spring constant of elastic medium. Results are also shown that if the value of the spring constant is lower than 107N/m3 (k<107 N/m3), the nonlinear free vibration frequencies are increased. In this case, the effect of the spring constant on frequency responses is significant, while if the value of the spring constant is higher than 109 N/m3 (k>109 N/m3 ), the curve of frequency responses has a constant value near to 1 and therefore the effect of the spring constant on frequency responses is negligible.

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References

HELICAL MICROTUBULES OF GRAPHITIC CARBON

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APA: Copy

GHORBANPOUR ARANI, A., RABBANI, H., AMIR, S., KHODDAMI MARAGHI, Z., MOHAMMADIMEHR, M., & HAGHPARAST, E.. (2011). ANALYSIS OF NONLINEAR VIBRATIONS FOR MULTI-WALLED CARBON NANOTUBES EMBEDDED IN AN ELASTIC MEDIUM. JOURNAL OF SOLID MECHANICS, 3(3), 258-270. SID. https://sid.ir/paper/319250/en

Vancouver: Copy

GHORBANPOUR ARANI A., RABBANI H., AMIR S., KHODDAMI MARAGHI Z., MOHAMMADIMEHR M., HAGHPARAST E.. ANALYSIS OF NONLINEAR VIBRATIONS FOR MULTI-WALLED CARBON NANOTUBES EMBEDDED IN AN ELASTIC MEDIUM. JOURNAL OF SOLID MECHANICS[Internet]. 2011;3(3):258-270. Available from: https://sid.ir/paper/319250/en

IEEE: Copy

A. GHORBANPOUR ARANI, H. RABBANI, S. AMIR, Z. KHODDAMI MARAGHI, M. MOHAMMADIMEHR, and E. HAGHPARAST, “ANALYSIS OF NONLINEAR VIBRATIONS FOR MULTI-WALLED CARBON NANOTUBES EMBEDDED IN AN ELASTIC MEDIUM,” JOURNAL OF SOLID MECHANICS, vol. 3, no. 3, pp. 258–270, 2011, [Online]. Available: https://sid.ir/paper/319250/en

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