期刊
COMPOSITE STRUCTURES
卷 220, 期 -, 页码 847-860出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2019.04.046
关键词
Vibration analysis; Rotating cylindrical shell; Functionally graded carbon nanotube; reinforced composite; Coriolis and centrifugal effects; Chebyshev-Ritz method
资金
- National Natural Science Foundation of China [11472148]
- Key Laboratory of Vibration and Control of Aero-Propulsion System Ministry of Education, Northeastern University [VCAME201702]
- Tsinghua University Initiative Scientific Research Program
In this paper, a general approach is provided for the free vibration analysis of rotating functionally graded carbon nanotube reinforced composite (FG-CNTRC) cylindrical shells with arbitrary boundary conditions. General formulations are derived based on the first-order shear deformation theory, the Donnell-type kinematic assumptions, and the artificial spring technique. Coriolis and centrifugal effects due to rotation are taken into account in the shell model. By employing Chebyshev polynomials as admissible functions, the Rayleigh-Ritz method is employed to derive the equations of motion for rotating FG-CNTRC cylindrical shells. The approach proposed is validated by comparing the present results with those reported in literature. The traveling wave motions of rotating FG-CNTRC shells are investigated. The effects of geometric parameters, volume fraction of carbon nanotubes, and boundary conditions on shell vibrations are also evaluated.
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