Journal
MATERIALS & DESIGN
Volume 29, Issue 8, Pages 1518-1525Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2008.03.001
Keywords
functionally graded annular plates; Chebyshev-Ritz method; free vibration
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The aim of this paper is to investigate three-dimensional free vibration of functionally graded annular plates with different boundary conditions using the Chebyshev-Ritz method, in which a set of duplicate Chebyshev polynomial series multiplied by the boundary function satisfying the boundary conditions are chosen as the trial functions of the displacement components. Two kinds of variations of material properties in the thickness direction of the plates are considered. Convergence of the Chebyshev-Ritz method is checked. Numerical results are given and compared with the previously published solutions. (C) 2008 Elsevier Ltd. All rights reserved.
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