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Free vibration analysis of the functionally graded coated and undercoated plates
Y. Yang; K.P. Kou; C.C. Lam; V.P. Iu
2014
Conference NameICCM
Source PublicationThe proceeding of the 5th International Conference on Computational Methods
Conference Date28-30th July
Conference PlaceCambridge, England
Abstract

In this paper, the free vibration behaviors of the functionally graded (FG) coated and undercoated plates are studied by a meshfree boundary-domain integral equation method. Based on the twodimensional elasticity theory, the boundary-domain integral equations for each single layer of these coating-substrate plates are derived initially by using elastostatic fundamental solutions. Employ the radial integration method to transform the domain integrals into boundary integrals and achieve a meshfree scheme. By applying the multi-region boundary element method, obtain the generalized eigenvalue system of the whole plate, which involves system matrices with boundary integrals only and the complete solutions for natural frequency and vibration modes are rigidly resolved. A comparative study of FG versus homogeneous coating is conducted. The influences of material composition, material gradient, coating thickness ratio, plate aspect ratio and the boundary conditions on the natural frequencies of the FG coated and undercoated plates are evaluated and discussed.

KeywordFree Vibration Fg Coated And underCoated Plates Boundary-domain Integral Equations Meshfree Method Multi-region Boundary Element Method
Language英语
Fulltext Access
Document TypeConference paper
CollectionFaculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
AffiliationDepartment of Civil Engineering, Faculty of Science and Technology, University of Macau, Macau, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Y. Yang,K.P. Kou,C.C. Lam,et al. Free vibration analysis of the functionally graded coated and undercoated plates[C],2014.
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