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Abstract
In this paper, modeling and vibration analysis of a composite supporter newly developed for aerospace applications are presented. The composite supporter is manufactured through hand layup process using the combination of carbon fiber reinforced plastics and Nomex honeycombs. The dynamic behaviour of the composite supporter is investigated, both numerically and experimentally, the former using a commercially available finite element package. Good agreement between the numerical results and experimental results shows that the proposed finite element modeling and analysis procedure can be used effectively to characterize the vibration behaviour of the composite supporter. The parametric investigation is also carried out using the validated FE model to show the effects of changing orthotropic properties of the core and ply orientation on the natural frequencies of the supporter. The presented results will provide a theoretical basis for a further vibration-control design of the supporter.