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ZHANG E, MIN S S, HUA L, et al. Research on theoretical calculation method of hyperbolic rotating thin shell bending problem[J]. Chinese Journal of Ship Research, 2025, 20(2): 1–6 (in Chinese). DOI: 10.19693/j.issn.1673-3185.03594
Citation: ZHANG E, MIN S S, HUA L, et al. Research on theoretical calculation method of hyperbolic rotating thin shell bending problem[J]. Chinese Journal of Ship Research, 2025, 20(2): 1–6 (in Chinese). DOI: 10.19693/j.issn.1673-3185.03594
shu

Research on theoretical calculation method of hyperbolic rotating thin shell bending problem

  • College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, China

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  • Received Date: October 15, 2023
  • Revised Date: November 27, 2023
  • Available Online: December 21, 2023
© 2025 The Authors. Published by Editorial Office of Chinese Journal of Ship Research. Creative Commons License
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Graphical Abstract
    • Abstract
  • Objectives 

    In order to analyze the bending characteristics of a hyperbolic rotating thin shell, the complex two-dimensional mechanical problem is simplified into a one-dimensional bending problem based on Euler's Bernoulli beam theor.

    Methods 

    By analyzing the force and deformation characteristics of shells and belt beams, a structural mechanical model is established, and a double curvature rotating thin shell bending differential equation is obtained by combining the physical equation of plate and shell theory with the bending differential equation of a single-span beam. An empirical formula for typical stress is proposed and its accuracy verified by an ANSYS-based simulation.

    Results 

    The results show that the error between the simulation and the formula is about 2.3%, which demonstrates the high accuracy of the formula in predicting typical stress and verifies the correctness of the theoretical calculation method.

    Conclusions 

    The proposed method can provide useful references for the design and optimization of similar structure.

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