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  • Parametric study on buckling stability of CFRP-strengthened cylindrical shells subjected to uniform external pressure

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    Karampour457668Accepted.pdf (1.246Mb)
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    Accepted Manuscript (AM)
    Author(s)
    Taraghi, Pouya
    Zirakian, Tadeh
    Karampour, Hassan
    Griffith University Author(s)
    Karampour, Hassan
    Year published
    2021
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    Abstract
    Stability performance of cylindrical shells and providing a potential method to enhance the buckling stability of these structures are major concerns for designers. Carbon Fiber Reinforced Polymer (CFRP) composites are promising materials for application in the design and retrofit of such thin-walled structures. On this basis, this paper presents a comprehensive numerical study on the buckling behavior of CFRP-strengthened cylindrical shells under uniform external pressure and evaluates the effects of different parameters in the strengthening process. Numerous CFRP-strengthened cylindrical shells with distinct reinforcement ...
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    Stability performance of cylindrical shells and providing a potential method to enhance the buckling stability of these structures are major concerns for designers. Carbon Fiber Reinforced Polymer (CFRP) composites are promising materials for application in the design and retrofit of such thin-walled structures. On this basis, this paper presents a comprehensive numerical study on the buckling behavior of CFRP-strengthened cylindrical shells under uniform external pressure and evaluates the effects of different parameters in the strengthening process. Numerous CFRP-strengthened cylindrical shells with distinct reinforcement layouts in three groups of models having different slenderness ratios are investigated through nonlinear stability analyses using the ABAQUS finite element package. The application of all considered reinforcement layouts for strengthening purposes is found to be effective in improving the buckling stability of cylindrical shells. It is demonstrated that the circumferential reinforcement of the middle region of the shell using CFRP strips with [0°] fiber angle (in the hoop direction), in particular, is the most effective approach for improving the buckling performance of the CFRP-strengthened cylindrical shells under uniform external pressure.
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    Journal Title
    Thin-Walled Structures
    Volume
    161
    DOI
    https://doi.org/10.1016/j.tws.2020.107411
    Copyright Statement
    © 2021 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Ocean engineering
    Publication URI
    http://hdl.handle.net/10072/401100
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    • Journal articles

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