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Stress–Strain State of Three-Layer Cylindrical Shells with Reinforced Light Core Under Nonstationary Loading*

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The stress–strain state of symmetric three-layer cylindrical shells under nonstationary loads is considered. The equation of vibrations of a shell with a light core reinforced with stiffening ribs under axisymmetric impulsive loading is derived. The members of the elastic structure are analyzed using the model of Tymoshenko’s theory of shells and rods. Numerical results on the dynamics of the three-layer structure are obtained using the finite-element method. The significant effect of geometric and physical parameters of shell layers on the stress–strain state under axisymmetric internal impulsive loading is investigated.

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Authors and Affiliations

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

    P. Z. Lugovyi & Yu. V. Skosarenko

  2. Kyiv National University of Construction and Architecture, 31 Povitroflotskyi Ave, Kyiv, 03037, Ukraine

    V. V. Gaidaichuk & K. E. Kotenko

Authors
  1. P. Z. Lugovyi
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  2. V. V. Gaidaichuk
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  3. Yu. V. Skosarenko
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  4. K. E. Kotenko
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Corresponding author

Correspondence to P. Z. Lugovyi.

Additional information

This study was sponsored by the budget program “Support for Priority Areas of Scientific Research” (KPKVK 6541230).

Translated from Prikladnaya Mekhanika, Vol. 57, No. 4, pp. 23–34, July–August 2021.

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Lugovyi, P.Z., Gaidaichuk, V.V., Skosarenko, Y.V. et al. Stress–Strain State of Three-Layer Cylindrical Shells with Reinforced Light Core Under Nonstationary Loading*. Int Appl Mech 57, 395–404 (2021). https://doi.org/10.1007/s10778-021-01091-5

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  • DOI: https://doi.org/10.1007/s10778-021-01091-5

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