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Article Dans Une Revue International Journal of Applied Mechanics Année : 2015

Vibration Behavior of Composite Material with Two Overlapping Delaminations

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Maroua Hammami
  • Fonction : Auteur
Chafik Karra
  • Fonction : Auteur
Mohamed Haddar
  • Fonction : Auteur

Résumé

The paper presents an analysis of the vibration behavior of glass fiber reinforced composites with two overlapping delaminations. The effect of delamination length on the vibration parameters is studied. Throughout a series of vibration tests, the change of natural frequencies and modal damping due to delaminations is evaluated. A numerical simulation considering finite element analysis allows to predict the change of natural frequencies for a known damage size. Modal damping was established which evaluates the different energies dissipated in the material layers direction of the fiber reinforced composites. A comparison of the different results was performed. Next, strain energy of layers directions were established by a numerical analysis and discussed.
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Dates et versions

hal-02954776 , version 1 (01-10-2020)

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Maroua Hammami, Abderrahim El Mahi, Chafik Karra, Mohamed Haddar. Vibration Behavior of Composite Material with Two Overlapping Delaminations. International Journal of Applied Mechanics, 2015, 07 (04), pp.1550054. ⟨10.1142/S1758825115500544⟩. ⟨hal-02954776⟩
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