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Modal analysis of biocomposite materials beams reinforced by Washingtonia Filifera natural fibers

Article scientifique 2022 Anglais

Résumé

In this paper, a modal analysis is carried out on a novel composite material ‎reinforced ‎by ‎Washingtonia ‎Filifera palm fibers with a 20 % loading rate. The ‎experimental analysis by ‎the ‎‎”PULSE” vibrations acquisition ‎device was ‎carried out for a composite beam reinforced ‎by ‎the studied fiber. The ‎determination of natural ‎frequencies and modal damping is ‎of ‎great ‎importance for the survival of structures. The precise knowledge ‎of ‎these frequencies ‎allows ‎the elimination of the resonance phenomenon in ‎these structures. For this ‎purpose, ‎an ‎excitation pot equipped with an ‎impedance head is used, which allows the determination ‎of ‎the ‎transfer ‎function directly. Theoretical calculation of the six first vibrations ‎modes ‎is ‎carried out which are compared ‎with experimental results. ‎‎Dynamic studies ‎show ‎the possibility of using this biomaterial in ‎industrial real ‎operating conditions.‎

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Edinne, G., Ramdane, Y., Ouelaa, N., Boutasseta, N. (2022). Modal analysis of biocomposite materials beams reinforced by Washingtonia Filifera natural fibers. https://doi.org/10.21595/jve.2022.22847

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