Abstract
The finite element method using a quadratic isoparametric element, which takes transverse shear deformation into account, is used to study the free vibration and flutter characteristics of laminated composite panels. The effect of various parameters, such as fibre orientation, stacking sequence, aspect ratio and boundary conditions, on the flutter characteristics are investigated and discussed. The results indicate that the flutter boundary is greatly enhanced if the fibre is oriented along the flow direction. Coupling of effects due to anisotropy and lamination have a destabilizing effect on the flutter characteristics. Boundary conditions strongly influence the flutter boundary. Flutter divergence type of phenomena are observed for cantilever panels. The flutter boundary is amplified with the increase of panel aspect ratio.
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