Characterization of multi-layered panels mechanical properties

I. Sow, O. Beslin, J. Nicolas


A method which uses a simple experimental setup and a fast numerical code running on a personal computer is presented. Extraction of equivalent properties of small rectangular composite panels in terms of young's modulus, density and damping factor is possible. The measurement part of this hybrid method consist on a clamp fixture. The plate is excited by an electro-dynamic shaker and its mean quadratic velocity is measured.


Damping; Density (specific gravity); Elastic moduli; Finite element method; Glass fiber reinforced plastics; Mathematical models; Personal computers; Vibrations (mechanical); Viscoelasticity; Scanning laser vibrometers

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