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Title: A meshfree radial point interpolation method for analysis of functionally graded material (FGM) plates
Authors: Dai, K.Y. 
Liu, G.R. 
Lim, K.M. 
Han, X. 
Du, S.Y.
Keywords: Functionally graded material (FGM)
Meshfree method
Radial basis function
Issue Date: Aug-2004
Citation: Dai, K.Y., Liu, G.R., Lim, K.M., Han, X., Du, S.Y. (2004-08). A meshfree radial point interpolation method for analysis of functionally graded material (FGM) plates. Computational Mechanics 34 (3) : 213-223. ScholarBank@NUS Repository.
Abstract: A meshfree model is presented for the static and dynamic analyses of functionally graded material (FGM) plates based on the radial point interpolation method (PIM). In the present method, the mid-plane of an FGM plate is represented by a set of distributed nodes while the material properties in its thickness direction are computed analytically to take into account their continuous variations from one surface to another. Several examples are successfully analyzed for static deflections, natural frequencies and dynamic responses of FGM plates with different volume fraction exponents and boundary conditions. The convergence rate and accuracy are studied and compared with the finite element method (FEM). The effects of the constituent fraction exponent on static deflection as well as natural frequency are also investigated in detail using different FGM models. Based on the current material gradient, it is found that as the volume fraction exponent increases, the mechanical characteristics of the FGM plate approach those of the pure metal plate blended in the FGM.
Source Title: Computational Mechanics
ISSN: 01787675
DOI: 10.1007/s00466-004-0566-0
Appears in Collections:Staff Publications

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