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Stability of laminar shells having a viscoelastic binder

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Conclusions

1. In loading with a force whose value lies between the long-term and instantaneous critical values, a loss of shell stability by rupture takes place at a certain time after loading. This time is naturally taken as the critical one.

2. Numerical estimates show that the level of the initial irregularities has a very great effect on the magnitude of the critical time. Therefore, in a theoretical estimate of the critical time it is necessary to take account of them as accurately as possible.

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Literature cited

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Additional information

Moscow Power Institute. Translated from Mekhanika Polimerov, No. 2, pp. 277–282, March–April, 1978.

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Petrovskii, A.V., Leizerakh, V.M. Stability of laminar shells having a viscoelastic binder. Polymer Mechanics 14, 222–227 (1978). https://doi.org/10.1007/BF00857466

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Keywords

  • Numerical Estimate
  • Critical Time
  • Theoretical Estimate
  • Laminar Shell
  • Shell Stability