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Steel and Composite Structures Volume 58, Number 2, January 25 2026 , pages 231-253 DOI: https://doi.org/10.12989/scs.2026.58.3.231 |
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Innovative analytical approaches for enhancing the durability metal sandwich panel: Delamination resistance |
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M.K. Faidzi, S. Abdullah, M.F. Abdullah, S.S.K. Singh
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| Abstract | ||
| This paper aims to investigate the most suitable alternative core design using an integrated approach involving finite element analysis (FEA) and experimental and data analytics to enhance the delamination resistance. The core configuration has major effects on the bonding structural integrity when subjected to severe loading conditions. Its improvement is therefore vital, although this requires an alternative method of selecting the most suitable core design. The FEA results became the input for the data analytics. The analytical hierarchical process was used to determine the weightage for the critical failure elements due to the high stability of the consistency checking (0.096 < 0.01). The VIseKriterijumska Optimizacija I Kompromisno Resenje (VIKOR) analysis was then used to select the most suitable core design. Sensitivity and experimental analyses were performed to justify the results. The findings showed that alternative core design A2 scored lowest on the selection measure, with 50% – 80% better delamination resistance compared to the other designs. The statistical analysis showed that the data was reliable and 100% within the 95% confidence boundary. This paper proposes a holistic approach that entails fusing the finite element analysis results into a hybrid data analytical approach to enhance the durability of a sandwich panel by improvising the core configuration. | ||
| Key Words | ||
| delamination; dimple design; holistic approach; hybrid data analytics; structural integrity | ||
| Address | ||
| M.K. Faidzi:Department of Mechanical Engineering, Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sg. Besi, 57000 W.P Kuala Lumpur, Malaysia S. Abdullah:Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia M.F. Abdullah:1)Department of Mechanical Engineering, Faculty of Engineering, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sg. Besi, 57000 W.P Kuala Lumpur, Malaysia 2)Center for Tropicalisation, Defence Research Institute, Universiti Pertahanan Nasional Malaysia, Kem Perdana Sg. Besi, 57000, W.P Kuala Lumpur, Malaysia S.S.K. Singh:Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia | ||