Damping analysis of orthotropic composite materials and laminates

The paper presents an analysis of the damping of unidirectional fibre composites, orthotropic composites and laminates. Damping parameters are investigated using beam test specimens and an impulse technique. Damping modelling is developed using a finite element analysis which evaluated the different...

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Bibliographic Details
Published in:Composites. Part B, Engineering Engineering, 2008-10, Vol.39 (7), p.1069-1076
Main Authors: Mahi, Abderrahim El, Assarar, Mustapha, Sefrani, Youssef, Berthelot, Jean-Marie
Format: Article
Language:English
Subjects:
A. Laminates
C. Damping
C. Finite element analysis
C. Vibration testing
Engineering Sciences
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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Summary:The paper presents an analysis of the damping of unidirectional fibre composites, orthotropic composites and laminates. Damping parameters are investigated using beam test specimens and an impulse technique. Damping modelling is developed using a finite element analysis which evaluated the different energies dissipated in the material directions of the layers. The results obtained show that this analysis describes fairly well the experimental results. The finite element analysis can be applied to complex shape structures.
ISSN:1359-8368
1879-1069
DOI:10.1016/j.compositesb.2008.05.003