Optimal Upsetting of Composite Cylinders

A. M. Lokoshchenko

doi:10.3103/S1068798X1903016X

Optimal Upsetting of Composite Cylinders

Authors: Lokoshchenko A.M.¹
Affiliations:
1. Institute of Mechanics, Lomonosov Moscow State University
Issue: Vol 39, No 3 (2019)
Pages: 189-194
Section: Article
URL: https://journal-vniispk.ru/1068-798X/article/view/227659
DOI: https://doi.org/10.3103/S1068798X1903016X
ID: 227659

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Abstract
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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.

Keywords

composite cylinder, upsetting, creep, energy-based analysis, variational calculus

About the authors

A. M. Lokoshchenko

Institute of Mechanics, Lomonosov Moscow State University

Author for correspondence.
Email: loko@imec.msu.ru
Russian Federation, Moscow, 119192

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