Experimental and numerical characterization of honeycomb sandwich composite panels |
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| Authors: | Ahmed Abbadi Y. Koutsawa A. Carmasol S. Belouettar Z. Azari |
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| Affiliation: | 1. Centre de Recherche Public Henri Tudor, 29, Avenue John F. Kennedy, L-1855, Luxembourg;2. LaBPS (Laboratoire de mécanique, Biomécanique, Polymères, Structures), Ecole Nationale d’Ingénieurs de Metz, Université Paul Verlaine-Metz, Ile du Saulcy, F-57045 Metz, France;1. Department of Engineering, Università degli studi della Campania “Luigi Vanvitelli”, via Roma 29, Aversa, CE, Italy;2. Department of Industrial Engineering – Aerospace section, Università degli Studi di Napoli “Federico II”, via Claudio 21, Napoli, Italy;1. Institute of Applied Mechanics and Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China;2. State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, China;3. Department of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China;1. Key Laboratory of Traffic Safety on Track, Ministry of Education, Central South University, Changsha 410075, China;2. School of Logistics and Transportation, Central South University of Forestry and Technology, Changsha 410004, China;3. School of Traffic & Transportation Engineering, Central South University, Changsha 410075, China;1. Turkish Airlines, Turkish Technic, 34100 Ye?ilköy, Turkey;2. Kocaeli University, Faculty of Aeronautics and Astronautics, 41285 Kocaeli, Turkey;3. TUBITAK, Marmara Research Center, Materials Institute, 41470 Gebze, Turkey |
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| Abstract: | In this paper, an experimental investigation, an analytical analysis and a numerical model of a typical four-point bending test on a honeycomb sandwich panel are proposed. The honeycomb core is modelled as a single solid layer of equivalent material properties. Analytical and numerical (finite element) homogenization approaches are used to compute the effective properties of the honeycomb core. A general kinematic model (unified formulation) has been adopted and used for the modelling of honeycomb sandwich panel submitted to the bending test. A comparative study of major classes of representative theories has been considered. Qualitative and quantitative assessments of displacement, stress have been presented and discussed. |
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