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Journal of Automobile Engineering and Applications

Free Vibration Analysis of Laminated Composite Plates with Circular and Non-Circular Cutouts using FEM

  1. Harsh KUMAR BHARDWAJ

Abstract

This paper presents the free vibration analysis of a composite laminated plate with circular and non-circular cutouts, using finite element method (FEM). A number of examples concerning different aspect ratios, different thickness ratios, different values of material properties, different size of cutouts, different number of layers and different boundary conditions are considered. Convergence study has been carried out by comparing the results obtained to the numerical results available in the literature. Non-dimensional frequencies depend on size and shape of cutout. Non-dimensional frequencies decrease with increasing the size of plate and thickness ratio of the plate. Non-dimensional frequencies increase with increasing the cutout size, number of laminates of the plate and modulus ratio of the plate.

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