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Stability of a Sandwich Cylindrical Shell with Core Subject to External Pressure and Pressure in the Inner Cylinder*

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International Applied Mechanics Aims and scope

A generalized design model is proposed to study the stability and initial post-buckling equilibrium trajectory of sandwich cylindrical shells with elastic core that resists only transverse tension–compression. The model includes nonlinear equilibrium mixed-form equations, asymptotic equations obtained by the Koiter–Budiansky method, and the analytical solution of a homogeneous eigenvalue problem and inhomogeneous problem to find the values of the unknown functions at the critical point. The numerical results obtained indicate that the internal pressure strongly influences the critical load and initial post-buckling behavior of the shells.

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Authors and Affiliations

  1. S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, 3 Nesterova Str., Kyiv, 03057, Ukraine

    N. P. Semenyuk & N. B. Zhukova

Authors
  1. N. P. Semenyuk
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  2. N. B. Zhukova
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Correspondence to N. P. Semenyuk.

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Translated from Prikladnaya Mekhanika, Vol. 56, No. 1, pp. 52–66, January–February 2020.

* This study was sponsored by the budgetary program Support of Priority Areas of Research (KPKVK 6541230).

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Semenyuk, N.P., Zhukova, N.B. Stability of a Sandwich Cylindrical Shell with Core Subject to External Pressure and Pressure in the Inner Cylinder*. Int Appl Mech 56, 40–53 (2020). https://doi.org/10.1007/s10778-020-00995-y

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  • DOI: https://doi.org/10.1007/s10778-020-00995-y

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