Abstract
Composites are one of the rapidly consuming materials due to their utmost attractive applications ranging from the aerospace to the agricultural products. The composite structures usually experience vibration during service. Experiments showed that presence of delamination in composite structures is one of the major causes of failures in laminated structures. Presence of delamination in a structure not only significantly impacts the stiffness of the structure with declining trends but also affect their vibration properties. The purpose of this paper is to review the literature studies on the effect of vibration on composite delaminated structures subjected to different boundary conditions. The literature studies have been classified on the basis of methodology adapted to analyze the problem i.e experimental work, analytical approaches and finite element methods. In this review particular attention has been given to the study of results attained from the analytical analysis, finite element and experimental works. Comparison of the results conducted by other researchers in the field of the free and forced vibration behavior of the composite laminates subjected to delamination or cracked structures has also been studied. Studies have shown that the location and size of delamination in composite structures significantly impacted the natural frequencies and mode shapes.
Highlights
Composites are one of the rapidly consuming materials due to their utmost attractive applications ranging from the aerospace to the agricultural products
The characteristics of the CFRP (Carbon-Fiber-Reinforced Polymers)formed depend on the Reinforcement and the particular matrix used
It must not be forgotten that the carbon-fiber layout has the ability to influence the CFRP properties
Summary
Fin many aspects of engineering applications [1] They have been applied in ship building, mechanical, aerospace, etc. The reinforcement components like elasticity and stress determines the rigidity and strength of the CFRP This is why the property strength of CFRP is usually described as directional and distinct from isotropic structures like aluminum. Different or similar composite materials with varying thicknesses Stacking sequence optimization of composite laminates requires the use of least amount of layers, highest fiber quality and highest possible thickness for each of the layers [4]. A Comprehensive review study of vibration analysis of cracked composite laminated is lacking. The objective of this paper is to present a comprehensive review of the state of the art studies on the vibration analysis of cracked composite plate
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