Abstract
In present work, the transverse deflection characteristics of a functionally graded porous (FGP) cylindrical panel are analyzed. The FGP cylindrical panel is fabricated by varying the material properties along the thickness direction corresponding to different porosity distributions such as symmetric center-enhanced porosity distribution (SCPD), top-enhanced porosity distribution (TPD) and bottom-enhanced porosity distribution (BPD). The geometrically nonlinear incremental finite element (FE) model of the FGP cylindrical panel is developed. Further, FE governing equation of motion is solved using Newton–Raphson method. Initially, the present model is validated. Substantially, the present results are focused on the influence of various distributions of porous material, value of porosity index and radius of curvature on critical load for the elastic instability of FGP cylindrical panel. It is concluded from the results that critical loads of FGP cylindrical panel occur in ascending order for TPD, BPD and SCPD distributions, respectively.
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Gupta, A., Mangoliwala, A.K., Reddy, R.S., Panda, S. (2022). Elastic Instability of the Functionally Graded Porous Cylindrical Panel. In: Govindan, K., Kumar, H., Yadav, S. (eds) Advances in Mechanical and Materials Technology . EMSME 2020. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-2794-1_71
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DOI: https://doi.org/10.1007/978-981-16-2794-1_71
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