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Optimal Upsetting of Composite Cylinders

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Abstract

The upsetting of a composite cylinder in frictionless creep is analyzed in energy terms. Three loading programs that lead to upsetting of the cylinder by the same amount in the same time are compared. Variational analysis indicates that the kinematic loading program is best for industrial use.

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ACKNOWLEDGMENTS

Financial partial support was provided by the Russian Foundation for Basic Research (project 17-08-00210).

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Authors and Affiliations

  1. Institute of Mechanics, Lomonosov Moscow State University, 119192, Moscow, Russia

    A. M. Lokoshchenko

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  1. A. M. Lokoshchenko
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Correspondence to A. M. Lokoshchenko.

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Translated by Bernard Gilbert

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Lokoshchenko, A.M. Optimal Upsetting of Composite Cylinders. Russ. Engin. Res. 39, 189–194 (2019). https://doi.org/10.3103/S1068798X1903016X

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  • DOI: https://doi.org/10.3103/S1068798X1903016X

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