Journal
COMPOSITES PART B-ENGINEERING
Volume 107, Issue -, Pages 162-173Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2016.09.058
Keywords
Functionally graded sandwich plates; Static; Vibration; Smooth finite element method; MITC3
Funding
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [107.02-2015.07]
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Static and vibration analysis of isotropic and functionally graded sandwich plates using a higher-order shear deformation theory is presented in this paper. Lagrangian functional is used to derive the equations of motion. The mixed interpolation of tensorial components (MITC) approach and edge-based strain technique is used to solve problems. A MITC3 three-node triangle element with 7 degree-of-freedoms per nodes that only requires the C-0-type continuity is developed. Numerical results for isotropic and functionally graded sandwich plates with different boundary conditions are proposed to validate the developed theory and to investigate effects of material distribution, side-to-thickness ratio, thickness ratio of layers and boundary conditions on the deflection, stresses and natural frequencies of the plates. (C) 2016 Elsevier Ltd. All rights reserved.
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