期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 103, 期 -, 页码 9-21出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2015.08.021
关键词
Free vibration; Functionally graded carbon nanotube reinforced composite; Frequencies; Plates; Ritz method
资金
- State Key Program of National Natural Science Foundation of China [51439004]
- National Natural Science Foundation of China [11402142, 51378448]
- Research Grants Council, University Grants Committee, Hong Kong [9042047, CityU 11208914]
- Scientific Innovation Program Project by the Shanghai Committee of Science and Technology [14DZ1205501, 14DZ2250900]
- Hai Yang Foundation of Shanghai Ocean University [A1-0209-15-2000-38]
For the first time, to the authors' knowledge, the problem of the free vibration of functionally graded carbon nanotube (FG-CNT) reinforced composite moderately thick rectangular plates with edges elastically restrained against transverse displacements and rotation of the plate cross section is considered. The element-free improved moving least-squares Ritz (IMLS-Ritz) method is employed for the analysis. The first-order shear deformation theory (FSDT), accounting for transverse shear strains and rotary inertia, is used in the theoretical formulation. The applicability of the formulation is illustrated by solving a selection of example problems. The numerical results are validated through comparison and convergence studies. The effect of elastically restrained edges on the vibration behavior of the FG-CNT reinforced composite plates is studied by taking into account the CNT volume fraction ratio, CNT distribution, plate thickness-to-width ratio and plate aspect ratio. (C) 2015 Elsevier Ltd. All rights reserved.
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