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Advances in Nano Research Volume 6, Number 2, June 2018 , pages 135-145 DOI: https://doi.org/10.12989/anr.2018.6.2.135 |
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Investigation on mechanical vibration of double-walled carbon nanotubes with inter-tube Van der waals forces |
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B. Ravi Kumar
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| Abstract | ||
| This work represents the study of the vibration response of the double walled carbon nanotubes (DWCNT) for various boundary conditions. The inner and outer carbon nanotubes are modeled as two individual Euler-Bernoulli's elastic beams interacting each other by Van der waals force. Differential transform method (DTM) is used as a numerical method to solve the governing differential equations and associated boundary conditions. The influence of Winkler elastic medium on vibration frequency is also examined and results are interpreted. MATLAB is used as a tool for solving the governing differential equations. The fundamental natural frequencies are validating with those available in literature and observed a good agreement between them. | ||
| Key Words | ||
| vibration; DWCNT; DTM; winkler; natural frequency | ||
| Address | ||
| School of Mechanical Engineering, SASTRA Deemed University, Thanjavur, Tamilnadu, 613401, India. | ||