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New analytic buckling solutions of moderately thick clamped rectangular plates by a straightforward finite integral transform method

  • Salamat Ullah
  • Haiyang Wang
  • Xinran Zheng
  • Jinghui Zhang
  • Yang Zhong
  • Rui LiEmail author
Original

Abstract

A first endeavor is made in this paper to explore new analytic buckling solutions of moderately thick rectangular plates by a straightforward double finite integral transform method, with focus on typical non-Lévy-type fully clamped plates that are not easy to solve in a rigorous way by the other analytic methods. Solving the governing higher-order partial differential equations with prescribed boundary conditions is elegantly reduced to processing four sets of simultaneous linear equations, the existence of nonzero solutions of which determines the buckling loads and associated mode shapes. Both numerical and graphical results confirm the validity and accuracy of the developed method and solutions by favorable comparison with the literature and finite element analysis. The succinct but effective technique presented in this study can provide an easy-to-implement theoretical tool to seek more analytic solutions of complex boundary value problems.

Keywords

Analytic solution Thick plate Buckling Finite integral transform method 

Notes

Acknowledgements

The authors gratefully acknowledge the support from the Young Elite Scientists Sponsorship Program by CAST (No. 2015QNRC001), Opening Fund of State Key Laboratory of Nonlinear Mechanics, Chinese Academy of Sciences, and Fundamental Research Funds for the Central Universities of China (No. DUT18GF101).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Salamat Ullah
    • 1
  • Haiyang Wang
    • 2
  • Xinran Zheng
    • 2
  • Jinghui Zhang
    • 1
  • Yang Zhong
    • 1
  • Rui Li
    • 2
    • 3
    Email author
  1. 1.Faculty of Infrastructure EngineeringDalian University of TechnologyDalianChina
  2. 2.State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, and International Research Center for Computational MechanicsDalian University of TechnologyDalianChina
  3. 3.State Key Laboratory of Nonlinear Mechanics, Institute of MechanicsChinese Academy of SciencesBeijingChina

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