The unit pressure in backward extruding hollow billet has been calculated by the sliplinemethod and the upper bound method.
本文对空心件反挤的单位挤压力,采用滑移线法和上限法进行了计算。
2
The basic theoretical methods such as Slab method, UBET, SlipLinemethod, FEM, and FVM have been used in the research of metal plastic forming technology.
研究金属塑性成形规律的理论方法现在有主应力法、上限法、滑移线法、有限元法和有限体积法。
3
The deforming force of cone-die direct extrusion is solved by a mathematic method based on the simplified flow model of slipline field.