期刊
COMPUTERS & STRUCTURES
卷 142, 期 -, 页码 79-89出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2014.07.005
关键词
Hermite radial basis collocation method; Free vibration; FGM thin plate; In-plane inhomogeneity
资金
- National Natural Science Foundation of China [11202150]
- Fundamental Research Funds for the Central Universities
- Shanghai Leading Academic Discipline Project [B302]
A meshfree Hermite-type collocation method with radial basis functions is presented to investigate the free vibration of thin FGM plates with in-plane material inhomogeneity. For the eigenvalue analysis of thin plate vibration, conventional radial basis collocation method (RBCM) leads to an over-determined system for the eigenproblems, while Hermite radial basis collocation method (HRBCM) introducing more degrees of freedom can result in a determined system. Convergence and comparison studies with analytical solutions demonstrate the effectiveness and accuracy of the proposed method. Effects on the natural frequencies and mode shapes originated from the material inhomogeneity are numerically investigated. (C) 2014 Elsevier Ltd. All rights reserved.
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