Vibration and damping analysis of laminated plates with fully and partially covered damping layers

The finite element method based on layerwise displacement theory is applied to the dynamic problem of anisotropic laminated plates treated with a constrained viscoelastic layer. Damping value of each mode is obtained by using the modal sh ain energy method and the modal approach to complex stiffness. To suppress the undesired vibrations of the wing skin in aircraft structures, the surface of the composite plates can be either fully or partially coated with a constrained viscoelastic layer. Through several numerical examples, the effects of stacking sequences, side-to-thickness ratios of the plate, locations of partially covered damping layers, and the thicknesses of the viscoelastic layers on vibration and damping characteristics are investigated.
Publisher
TECHNOMIC PUBL CO INC
Issue Date
2000
Language
ENG
Keywords

COMPOSITE PLATES; FINITE-ELEMENT

Citation

JOURNAL OF REINFORCED PLASTICS AND COMPOSITES, v.19, no.15, pp.1176 - 1200

ISSN
0731-6844
URI
http://hdl.handle.net/10203/6186
Appears in Collection
AE-Journal Papers(저널논문)
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