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Comparative study of the dynamic response between functionally graded sandwich plates and four-parameter FG plates | ||
| Journal of Computational Applied Mechanics | ||
| دوره 56، شماره 2، تیر 2025، صفحه 411-423 اصل مقاله (573.36 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jcamech.2024.384209.1268 | ||
| نویسندگان | ||
| Tidjani Messas1؛ Abdelkader Tamrabet2؛ Abdelhakim Bouhadra* 1، 3؛ Abderahmane Menasria1، 3؛ Salah Refrafi1؛ Belgacem Mamen1؛ Nimer Ali Alselami4 | ||
| 1Department of Civil Engineering, Faculty of Science and Technology, Abbes Laghrour University, Khenchela 40000, Algeria | ||
| 2Department of Civil Engineering, Faculty of Technology, University of Ferhat Abbas, Sétif 19137, Algeria | ||
| 3Material and Hydrology Laboratory, Civil Engineering Department, Faculty of Technology, Djillali Liabes University, Sidi Bel Abbes 22000, Algeria | ||
| 4Civil Engineering Department, College of Engineering, Jazan University, Jazan 114, Saudi Arabia | ||
| چکیده | ||
| This paper presents an efficient higher-order theory for analyzing the dynamic behavior of two types of sandwich plates: functionally graded sandwich plates (FGSPs) and four-parameter functionally graded plates (FPFGPs). The FGSP consists of two functionally graded (FG) face sheets and a ceramic core. For FGSPs, the variation follows a power-law distribution, while for FPFGPs; it adheres to Tornabene's model. To ensure that transverse shear stresses vanish at the top and bottom surfaces of the FGSP, a trigonometric shear deformation theory is employed. This theory incorporates four displacement field variables with indeterminate integral terms. The governing equations are derived using Hamilton's principle and solved using the Navier solution method for simply supported boundary conditions. Validation results demonstrate excellent agreement between the proposed theory and existing literature. Additionally, a detailed parametric study highlights the influence of key geometric and mechanical parameters, including the power-law index, side-to-thickness ratio, and aspect ratio, on the dynamic behavior of the plates. | ||
| کلیدواژهها | ||
| Dynamic analysis؛ functionally graded materials؛ sandwich plates؛ four-parameter model؛ higher-order theory | ||
| مراجع | ||
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