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Computers and Concrete Volume 33, Number 3, March 2024 , pages 275-284 DOI: https://doi.org/10.12989/cac.2024.33.3.275 |
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Buckling analysis of bidirectional FG porous beams in thermal environment under general boundary condition |
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Abdeljalil Meksi, Mohamed Sekkal, Rabbab Bachir Bouiadjra, Samir Benyoucef and AbdelouahedTounsi
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| Abstract | ||
| This work presents a comprehensive investigation of buckling behavior of bidirectional functionally graded imperfect beams exposed to several thermal loading with general boundary conditions. The nonlinear governing equations are derived based on 2D shear deformation theory together with Von Karman strain-displacement relation. The beams are composed of two different materials. Its properties are porosity-dependent and are continuously distributed over the length and thickness of the beams following a defined law. The resulting equations are solved analytically in order to determine the thermal buckling characteristics of BDFG porous beams. The precision of the current solution and its accuracy have been proven by comparison with works previously published. Numerical examples are presented to explore the effects of the thermal loading, the elastic foundation parameters, the porosity distribution, the grading indexes and others factors on the nonlinear thermal buckling of bidirectional FG beam rested on elastic foundation. | ||
| Key Words | ||
| bidirectional functionally graded beams; general boundary conditions; nonlinear thermal buckling; porosity | ||
| Address | ||
| Abdeljalil Meksi: Department of Civil Engineering, Faculty of Architecture and Civil Engineering, University of Sciences and Technology Mohamed Boudiaf, Oran, Algeria Mohamed Sekkal: 1) University of Science and Technology Houari Boumediene (USTHB), Algiers, Algeria, 2) Material and Hydrology Laboratory, Civil Engineering Department, Faculty of Technology, University of Sidi Bel Abbes, Algeria Rabbab Bachir Bouiadjra: 1) Material and Hydrology Laboratory, Civil Engineering Department, Faculty of Technology, University of Sidi Bel Abbes, Algeria, 2) Departement of Civil Engineering, University Mustapha Stambouli of Mascara, Algeria Samir Benyoucef: Material and Hydrology Laboratory, Civil Engineering Department, Faculty of Technology, University of Sidi Bel Abbes, Algeria AbdelouahedTounsi: 1) YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea, 2) Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia, 3) Interdisciplinary Research Center for Construction and Building Materials, KFUPM, Dhahran, Saudi Arabia, 4) Department of Civil and Environmental Engineering, Lebanese American University, 309 Bassil Building, Byblos, Lebanon | ||