平面变形拉拔挤压的变上限积分与解析解

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The Integral as a Function of the Upper Limit and an Analytical Solution to Plane Strain Drawing and Extrusion

摘要: 本文采用直角坐标系,设定与Avitzur不同的运动许可速度场,经变上限积分得到扁带平面变形拉拔挤压的上界解析解.

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 andextrusion is obtained by using the integral as a function of the upper limit in this paper.

[1]	Avitzur,B.,Metal Forming: Processes and Analysis,McGraw-Hill Book Company (1968).398-406.
[2]	赵志业,《金属塑性加工力学》,冶金工业出版社(1987),223-226.83.
[3]	Avitzur,B.,Metal Forming,The Application of Limit Analysis Marce) Dekker,Inc. (1980),23-24,50.
[4]	数学手册编写组,《数学手册》,人民教育出版社,北京(1979),258
[5]	Slater,R. A. C.,Engineering Plasticity Theory and Application to Metal Forming Processes,The Macmillan Press LTD (1977),288.