Abstract
Buckling behavior of carbon nanotube reinforced functionally graded (CNTR-FG) composite laminated plate is studied. The first-order shear deformation theory (FSDT) is employed to incorporate the effects of rotary inertia and transverse shear deformation, and the meshless kp-Ritz method is used to obtain the buckling solutions. Using the kernel particle approximation in the field variables and minimizing the energy functional via the Ritz procedure, a discretized eigenvalue equation of the problem is derived. The numerical stability and accuracy of the kp-Ritz method is validated through convergence and comparison studies. Besides, parametric studies are conducted for various types of CNTs distributions, CNT volume fraction, plate aspect ratio and plate length-to-thickness ratio under different boundary conditions. Moreover, the effects of number of layers and lamination angle are also investigated.
| Original language | English |
|---|---|
| Pages (from-to) | 62-73 |
| Journal | Composite Structures |
| Volume | 152 |
| Online published | 14 May 2016 |
| DOIs | |
| Publication status | Published - 15 Sept 2016 |
Funding
The work described in this paper was fully supported by the National Natural Science Foundation of China (Grant Nos. 11402142 and 51378448) and grants from the Research Grants Council of the Hong Kong Special Administrative Region, China (Project No. 9042047, CityU 11208914).
Research Keywords
- Buckling
- Carbon nanotube-reinforced functionally graded composites
- First-order shear deformation theory
- Meshless kp-Ritz method
- FREE GALERKIN METHOD
- FREE-VIBRATION ANALYSIS
- SHEAR DEFORMATION-THEORY
- KERNEL PARTICLE METHODS
- RADIAL BASIS FUNCTIONS
- KP-RITZ METHOD
- NODAL INTEGRATION
- TRIANGULAR PLATES
- MINDLIN PLATES
- COLLOCATION
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