期刊
COMPOSITE STRUCTURES
卷 180, 期 -, 页码 723-740出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2017.08.038
关键词
Dynamic stiffness method; Free vibration; Composite plate assembly; Crack
资金
- Government of the Republic of Serbia - Ministry of Education, Science and Technological Development [TR-36046, TR-36048]
In the paper, the dynamic stiffness method based on the HSDT and FSDT plate theories is applied to study free vibration characteristics of composite stiffened and cracked plate assemblies. The dynamic stiffness matrices for transverse vibration of laminated composite plate based on the HSDT and FSDT previously derived by authors have been coupled with the dynamic stiffness matrix of laminated composite plate undergoing in-plane vibration. The numerical analysis has been carried out through several illustrative examples in order to check the applicability and accuracy of the proposed method in the free vibration analysis of stiffened plate assemblies. The effects of transverse shear deformation, boundary conditions, side-to-thickness ratios, crack length or reinforcement amount within the GFRP beam on the free vibration characteristics have been discussed, and the variety of new results has been provided as a benchmark for future investigations. (C) 2017 Elsevier Ltd. All rights reserved.
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