On the dead-zone formation in plastic axially-symmetric converging flow |
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Authors: | J. Tirosh |
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Affiliation: | Department of Mechanical Engineering, Massachusetts Institute of Technology Cambridge, Mass.UK |
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Abstract: | An upper-bound analysis is used to examine dead-zone formation in rigid/plastic axially-symmetric converging flow. A quasi-stable internal shear is found to occur under certain conditions. Bounds on the geometry for quasi-stable behavior and bounds on the required power are presented. The analysis agrees favorably with experiments. |
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