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Steel and Composite Structures Volume 51, Number 6, June 25 2024 , pages 601-617 DOI: https://doi.org/10.12989/scs.2024.51.6.601 |
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Deflection and bending characteristics of embedded functionally graded porous plate with bi-directional thickness variation subjected to bi-sinusoidal loading |
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Rajat Jain and Mohammad Sikandar Azam
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| Abstract | ||
| This work aims to explore the static behaviour of a tapered functionally graded porous plate (FGPP) with even and uneven porosity distributions resting on two parametric elastic foundations. The plate under investigation is subjected to bisinusoidal loading and the edges of the plate are exposed to different combinations of edge restrictions. In order to examin the static behaviour, bending factors (BF) related to bending and normal stresses have been evaluated using classical plate theory. To achieve this, the governing equations have been derived employing the energy concept. And to solve it, the Rayleigh-Ritz method with an algebraic function has been utilised; it is simple, precise, and computationally intensive. After convergence and validation analyses, new findings are made available. The BF of the plate have been exhaustively examined to explain the influence of aspect ratios, material property index, porosity factor, taper factor, and Winkler and Pasternak stiffness. It is observed that the BF of an elastically supported FGPP are influenced by the index of material propery and the aspect ratio. Findings also indicate that the impact of porosity is more when it is spread evenly, as opposed to when it is unevenly distributed. Further, the deformed plate's structure is significantly influenced by the different thickness variations. Examination of bending characteristics of FGPP having different new cases of thickness variations with different types of porosity distribution under fifteen different mixed edge constraints is the prime novality of this work. Results presented are reliable enough to be taken into account for future studies. | ||
| Key Words | ||
| Elastically Supported FGPP; porosity factor; static analysis; taper factor; Winkler – Pasternak Moduli | ||
| Address | ||
| Rajat Jain and Mohammad Sikandar Azam:Department of Mechanical Engineering, Indian Institute of Technology (ISM) Dhanbad, Jharkhand-826004, India | ||