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Stress–Strain State and Vibrations of a Complex-Shaped Containment Shell Under Nonstationary Loads

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International Applied Mechanics Aims and scope

The dynamic behavior of a reinforced-concrete containment shell of a nuclear power plant under the combined effect of an internal pressure jump due to a reactor breakdown and seismic load due to a design-basis earthquake is analyzed. The finite-element method and Dipros software are used. A modal analysis is performed followed by numerical solution of the equations of motion of the containment to determine the post-accident stress–strain state of its structures. It is shown that the maximum stress intensity in the leaktight steel liner does not exceed its yield strength (i.e., the integrity of the liner is maintained, and the containment keeps performing its functions and meets the radiation safety requirements)

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Authors and Affiliations

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

    P. Z. Lugovoi

  2. State Scientific and Technical Center for Nuclear and Radiation Safety, 35-37 Vasylya Stusa St., Kyiv, Ukraine, 03142

    V. B. Kritskii & N. I. Kritskaya

Authors
  1. P. Z. Lugovoi
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  2. V. B. Kritskii
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  3. N. I. Kritskaya
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Correspondence to P. Z. Lugovoi.

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Translated from Prikladnaya Mekhanika, Vol. 52, No. 6, pp. 93–103, November–December, 2016.

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Lugovoi, P.Z., Kritskii, V.B. & Kritskaya, N.I. Stress–Strain State and Vibrations of a Complex-Shaped Containment Shell Under Nonstationary Loads. Int Appl Mech 52, 635–642 (2016). https://doi.org/10.1007/s10778-016-0784-0

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  • DOI: https://doi.org/10.1007/s10778-016-0784-0

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