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Upper bound analysis of the upsetting of pressure-sensitive polymeric rings

โœ Scribed by J.H. Lee

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
606 KB
Volume
30
Category
Article
ISSN
0020-7403

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An upper-bound analysis of the tube extr
An upper-bound analysis of the tube extrusion process
โœ R. Ebrahimi; M. Reihanian; M. Kanaani; M.M. Moshksar ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 670 KB

In this paper a new upper-bound approach is used to analyze the tube extrusion process. A kinematically admissible velocity field is developed to evaluate the internal power and the power dissipated on frictional and velocity discontinuity surfaces. The total power is optimized with respect to the