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Analytical modeling of flexural behavior of advanced composite sandwich beams under nonlinear hygro-thermo-mechanical loads

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Abstract

Sandwich beams made of advanced materials are used in many engineering areas. This paper presents a study on the nonlinear hygro-thermo-mechanical coupling loading (NL-HTMCL). Various symmetric and non-symmetric sandwich beams with FG material in the skins of functionally graded sandwich beams (FGSBs) have been considered. The physico-mechanical properties vary gradually and continuously according to a power-law distribution of the constituent materials’ volume fractions. A new quasi-3D high shear deformation theory is used here to study the behavior of multi-type sandwich beams. The present model adopts a new field of displacement, which includes indeterminate integral variables. The governing equations for this investigation are obtained through the principle of virtual displacement and solved via the Navier-type method. Further, the nonlinear hygro-thermo-mechanical coupling loading (NL-HTMCL) is involved in these equations. A series of parametric studies discussing the flexural behavior of composite sandwich beams under different sets of hygro-thermo-mechanical loading is carried out. Finally, the numerical results show that the NL-HTMCL significantly affects the flexural characteristics of tested beams.

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Contributions

Khaled MESKI: Conceptualization, Methodology, Investigation, Solution Approach, Writing-Original draft preparation. Abdelaziz BOUTRID: Reviewing and Editing. Abdelhakim Bouhadra: Software, Writing-Original, draft preparation, Reviewing and Editing. Belgacem Mamen: Software, Solution Approach, Validation, Reviewing and Editing. Abderahmane MENASRIA: Software,Validation and Editing. Abdelouahed Tounsi: Conceptualization, Reviewing and Editing, Supervision. Thanh Cuong-Le: Writing-Original, draft preparation, Reviewing and Editing, Supervision.

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Correspondence to Abdelhakim Bouhadra.

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Meski, K., Boutrid, A., Menasria, A. et al. Analytical modeling of flexural behavior of advanced composite sandwich beams under nonlinear hygro-thermo-mechanical loads. Multiscale and Multidiscip. Model. Exp. and Des. (2024). https://doi.org/10.1007/s41939-024-00414-6

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  • DOI: https://doi.org/10.1007/s41939-024-00414-6

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