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Thermoelastoplastic deformation of complexly reinforced shells

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Abstract

The problem on the elastoplastic deformation of reinforced shells of variable thickness under thermal and force loadings is formulated. A qualitative analysis of the problem is carried out and its linearization is indicated. Calculations of isotropic and metal composite cylindrical shells have shown that the load-carrying capacity of shell structures under elastoplastic deformations is several times (sometimes by an order of magnitude) higher than under purely elastic ones; the heating of shells with certain patterns of reinforcement sharply reduces their resistance to elastic deformations, but only slightly affects their resistance to elastoplastic ones; not always does the reinforcement in the directions of principal stresses and strains provide the greatest load-carrying capacity of a shell; there are reinforcement schemes that ensure practically the same resistance of shells at different types of their fastening.

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Authors and Affiliations

  1. Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

    Yu. V. Nemirovskii & A. P. Yankovskii

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  1. Yu. V. Nemirovskii
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  2. A. P. Yankovskii
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Translated from Mekhanika Kompozitnykh Materialov, Vol. 42, No. 6, pp. 707–728, November–December, 2006.

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Nemirovskii, Y.V., Yankovskii, A.P. Thermoelastoplastic deformation of complexly reinforced shells. Mech Compos Mater 42, 491–506 (2006). https://doi.org/10.1007/s11029-006-0060-1

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  • DOI: https://doi.org/10.1007/s11029-006-0060-1

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