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Vol.25, No.2, 2025, pp. 336–339 |
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STUDY OF THE VIBRATORY BEHAVIOUR OF SPHERICAL 3D LAMINATED COMPOSITE SHELL Abdelmalek Abdelmalek1
Farouk Bouchakour1 1) Mechanics, Modeling and Experimentation Laboratory L2ME, Faculty of Technology, Bechar University, Bechar, ALGERIA A. Abdelmalek https://orcid.org/0009-0009-6255-5988 ; A. Lairedj https://orcid.org/0000-0001-6639-9884 2) LPTPM, Faculty of Technology, Hassiba Benbouali University of Chlef, Chlef, ALGERIA M. Hadj Meliani https://orcid.org/0000-0003-1375-762X , *email: m.hadjmeliani@univ-chlef.dz
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Abstract As part of this study, a vibration analysis of composite hulls is carried out as a function of various parameters. The aim of this analysis is to identify the frequency of the composite element. To do this, a comparative approach is taken to the results, that are obtained under different structural and material conditions. As part of the analyses carried out on spherical shells with a single support, developed from transverse layers laminated in three dimensions, it is observed that natural frequencies predicted by the elements show variable results depending on the angle of orientation of the layers. The model selected for the simulation is chosen according to the specific criteria of study, and the results are validated by existing data in scientific literature. Keywords: • vibration • analysis • shell • composite element • laminate |
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