Abstract
A kinematically admissible velocity field which is different from Avitzur's is established in Cartesian Coordinates. An upper-bound analytical solution to strip drawing and extrusion is obtained by using the integral as a function of the upper limit in this paper.
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References
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Communicated by Chien Wei-zang
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De-wen, Z., Zhi-ye, Z. & Qiang, Z. The integral as a function of the upper limit and an analytical solution to plane strain drawing and extrusion. Appl Math Mech 11, 759–765 (1990). https://doi.org/10.1007/BF02015150
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DOI: https://doi.org/10.1007/BF02015150