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Coupled loading hygro-thermo-mechanical Effect on the stability of imperfect functionally graded sandwich plates | ||
| Journal of Computational Applied Mechanics | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 22 فروردین 1403 اصل مقاله (1.22 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jcamech.2024.374122.1007 | ||
| نویسندگان | ||
| Fouzi Masmoudi1، 2؛ Abdelkader Tamrabet3، 4؛ Salah Refrafi5؛ Nimer Alselami6؛ Abderahmane Menasria5، 2؛ Abdelhakim Bouhadra* 5، 2؛ Samir Benyoucef2 | ||
| 1Department of Irrigation and Civil Engineering, Faculty of Technology, Echahid Hamma Lakhdar University, El Oued, 39000, Algeria | ||
| 2Material and Hydrology Laboratory, Civil Engineering Department, Faculty of Technology, Djillali Liabes University, Sidi Bel Abbes 22000, Algeria | ||
| 3Department of Civil Engineering, Faculty of Technology, University of Ferhat Abbas, Setif 19137, Algeria | ||
| 4Research Unit of Emerging Materials, University of Ferhat Abbas, Setif 19137, Algeria | ||
| 5Department of Civil Engineering, Faculty of Science and Technology, Abbes Laghrour University, Khenchela 40000, Algeria | ||
| 6Civil Engineering Department, College of Engineering, Jazan University, Saudi Arabia | ||
| چکیده | ||
| In this research study, the hygro-thermo-mechanical responses of simply supported porous FG sandwich plates resting on a variable elastic foundation are studied by mean of a new height order shear deformation theory. The present model satisfies the nullity conditions of the shear stresses on the upper and lower surfaces of the FG plate and without using shear correction factors. The distribution of the properties of the material through the thickness of the sandwich plate is assumed to have a distribution according to a function of the power law, while the core is assumed to be purely ceramic. The derivation of the stability equations is obtained based on the principle of virtual works. The hygro-thermal loading is considered to have a uniform, linear and non-linear variation across the thickness of the plate. To verify the accuracy of the current model, a comparison was made with other authors of the literature. The effects of the hygro-thermo-mechanical loading, the porosity, the parameters of the elastic foundation « kw and kg », the thickness ratio « a/h », the aspect ratio « a/b » and the material index « k » on the critical buckling load of the FG plate are examined. | ||
| کلیدواژه‌ها | ||
| FG sandwich plate؛ hygro-thermo-mechanical load؛ porosity؛ variable elastic foundation؛ stability equations | ||
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آمار تعداد مشاهده مقاله: 38 تعداد دریافت فایل اصل مقاله: 82 |
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