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Free Vibration Analysis of Clamped Laminated Composite Plates with Centeral Crack

    Khaldoon F. Brethee

Anbar Journal of Engineering Sciences, 2021, Volume 12, Issue 1, Pages 108-115
10.37649/aengs.2021.171204

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Abstract

A finite element method for free vibration analysis of generally laminated composite plateswith central crack and clamped edges have been studied using ANSYS 5.4 program. The fiber-reinforced composite materials are ideal for structural applications where highstrength-to-weight and stiffness-to-weight ratios are required, where structures must safelywork during its service life. But damages initiate a breakdown period on the structures.Cracks are among the most encountered damage types in the structures. The non-dimensionalfundamental frequency of vibration decreases with presence of cracks because, therigidity of cracked plate decreases. The natural frequency of plates depends on size andshape of the cracks, the effect of number of layers is found to be insignificant beyond fourlayers and the change of fiber orientation increasing the fundamental frequency of vibration.The results obtained have been compared with the available published literature with goodagreement results
Keywords:
    Free vibration analysis laminate composite plate central crack clamped plate
Main Subjects:
  • Mechanical Engineering
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(2021). Free Vibration Analysis of Clamped Laminated Composite Plates with Centeral Crack. Anbar Journal of Engineering Sciences, 12(1), 108-115. doi: 10.37649/aengs.2021.171204
Khaldoon F. Brethee. "Free Vibration Analysis of Clamped Laminated Composite Plates with Centeral Crack". Anbar Journal of Engineering Sciences, 12, 1, 2021, 108-115. doi: 10.37649/aengs.2021.171204
(2021). 'Free Vibration Analysis of Clamped Laminated Composite Plates with Centeral Crack', Anbar Journal of Engineering Sciences, 12(1), pp. 108-115. doi: 10.37649/aengs.2021.171204
Free Vibration Analysis of Clamped Laminated Composite Plates with Centeral Crack. Anbar Journal of Engineering Sciences, 2021; 12(1): 108-115. doi: 10.37649/aengs.2021.171204
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This journal is licensed under a Creative Commons Attribution 4.0 International (CC-BY 4.0)

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