In the elastoplastic analysis, much more attention has been paid to bifurcation behaviour of the governing equation which always predicts various mechanism of failure or fracture.
在弹塑性大变形分析中，控制微分方程的分叉现象予示了一系列有实际工程背景的破坏机理。
This paper pressents a polynomial with four odd terms to fit the stress-strain relation for the materials with arbitrary hardening behaviour in the region of small elastoplastic deformation.
首先在小弹塑性范围内用应变的奇次四项式相当精确地拟合一般硬化材料的拉伸曲线；
This paper pressents a polynomial with four odd terms to fit the stress-strain relation for the materials with arbitrary hardening behaviour in the region of small elastoplastic deformation.
首先在小弹塑性范围内用应变的奇次四项式相当精确地拟合一般硬化材料的拉伸曲线；
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