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Accurate free and forced vibration behavior prediction of functionally graded sandwich beams with variable cross-section: A finite element assessment

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info:eu-repo/semantics/closedAccess

Date

2024

Author

Belabed, Zakaria
Tounsi, Abdeldjebbar
Bousahla, Abdelmoumen Anis
Tounsi, Abdelouahed
Yaylacı, Murat

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Citation

Belabed, Z., Tounsi, A., Bousahla, A.A., Tounsi, A. & Yaylacı, M. (2024). Accurate free and forced vibration behavior prediction of functionally graded sandwich beams with variable cross-section: A finite element assessment. Mechanics Based Design of Structures and Machines. https://doi.org/10.1080/15397734.2024.2337914

Abstract

The current investigation proposes an enhanced finite element beam model to assess the dynamic behavior of functionally graded sandwich beams with variable cross-sections. By integrating the shear effect, this beam model integrates both C0 and C1 continuities to generate elementary matrices using an efficient three-unknown shear deformation beam theory. The model focuses on advanced sandwich beams with functionally graded material face-sheets and metallic cores, exploring various geometric arrangements. The originality of this study addresses variable cross-sections in sandwich beams, evaluating the influence of material composition and geometric configurations on free and forced vibration responses, including different boundary conditions. The methodology uses the eigenvalue method for examining free vibration and applies Newmark's algorithm for solving forced vibration problems. The current model expands the scope of analysis compared to previous models that primarily focus on uniform cross-sections and conventional material distributions. The developed model incorporates non-uniform geometrics, material gradient parameters, and advanced finite element analysis to enhance precision and efficacy through detailed parametric investigations and comparisons with existing literature. This contribution significantly improves the mechanical modeling of composite sandwich structures, particularly those incorporating functionally graded materials and complex geometrical aspects.

Source

Mechanics Based Design of Structures and Machines

URI

https://doi.org/10.1080/15397734.2024.2337914
https://hdl.handle.net/11436/8956

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  • İnşaat Mühendisliği Bölümü Koleksiyonu [261]
  • Scopus İndeksli Yayınlar Koleksiyonu [6011]
  • WoS İndeksli Yayınlar Koleksiyonu [5260]



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