Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Low velocity impact analysis of FGCNT annular plate

Authors
masoud babaei 1
Kamran Asemi 2
Nader Nazari 3
1 Shahid beheshti
2 Department of Mechanical Engineering, Islamic Azad University, Tehran North Branch, Tehran, Iran
3 Azad university
10.30506/ijmep.2020.105069.1552
Abstract
In this study, low velocity impact analysis of functionally graded carbon nanotube annular plate based of finite element method is presented for the first time. The governing equations are based on first shear deformation theory and Hamilton's principle. To model the contact force between annular plate and impactor, modified contact Hertz law has been used. Results of present study is compared with previous studies, and it shows good agreement. The effect of different parameters such as distribution and volume fraction of carbon nanotubes, and also, different mass and velocity of impactor on contact force and transverse displacemet of plate have been investigated. Results denotes that by increasing the volume fraction of carbon nanotube from 11 to 17 %, the contact force 32% is increased and the contact time is notably decreased. Also, results show that, the FGX distribution of nanotubes along the thickness of plate, has the highest contact force and the lowest contact time.
Keywords
annular plate
low velocity impact
FEM
FSDT
FGCNT

Subjects

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  • Receive Date 11 March 2019
  • Revise Date 28 August 2019
  • Accept Date 31 October 2020