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Creep of a thermoplastic cylindrical shell under axisymmetric loading

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Abstract

The solution of the problem of creep of an axisymmetrically loaded thermoplastic cylindrical shell is considered. The strains and stresses for the zero-moment zone and with allowance for the edge effect are predicted on the basis of Kachanov's variational method using a computer. An algorithm is constructed for polyethylene and PVC shells at various values of the load. The analysis of the results obtained is illustrated by the calculation data for individual variants of the program.

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Literature cited

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    Yu. N. Rabotnov, Izv. Akad. Nauk SSSR, OTN, No. 6 (1948).

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    L. M. Kachanov, PMM,23, 616 (1959).

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    S. V. Boyarshinov, in: Strength Calculations [in Russian], Vol. 6, Moscow (1960).

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    M. N. Bokshitskii, D. F. Kagan, and I. Ya. Klinov, Plast. Massy, No. 3, 38 (1962).

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Additional information

Leningrad Mozhaiskii Military Engineering Academy. Translated from Mekhanika Polimerov, No. 3, pp. 512–518, May–June, 1969.

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Matskevich, A.V. Creep of a thermoplastic cylindrical shell under axisymmetric loading. Polymer Mechanics 5, 435–440 (1969). https://doi.org/10.1007/BF00855168

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Keywords

  • Polyethylene
  • Variational Method
  • Individual Variant
  • Cylindrical Shell
  • Edge Effect