Buckling and Modal Analysis of Composite Plate under Different Orientations

K.Vijay Kumar, P. Vinod, A.Naresh Kumar


This paper Buckling And Modal Analysis of  Composite Materials Under Different Orientation, for those structures, it is required a high natural frequency, high critical buckling load, low weight and high strength etc. Composite materials are full filling these properties. The type of material, Layer orientation, aspect ratio, laminate thickness and boundary conditions are key parameters to determine the natural frequency, deformation and critical buckling load.

A rectangular composite (graphite/epoxy) symmetric laminate plate having 4-layers with clamped boundary conditions are assumed. With the help of ANSYS software, eight laminates (samples) of 10 unit angle varying layup configuration are developed. For each sample, the natural frequency, deformation and critical buckling load and Engineering constants (Effective elastic constants) are calculated using ANSYS software.

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