本文对服从非关联流动法则下的刚塑性极限分析问题，提出了参数势能变分原理和参数广义变分原理。
The parametric potential energy principle and the generalized parametric variational principle are developed in the limit analysis of the non-associated flow rule materials.
本文研究了非连续流动场中，刚塑性介质极限分析完全解的界限问题。
This paper studies the bounding problems of the complete solution of limit analysis for a rigid-perfectly plastic medium, allowing for discontinuity of plastic flow.
应用传统的极限分析理论，对可简化为刚塑性的材料本构关系提出了一种改进的“刚性-非线性强化”近似模型。
Advances an improving rigid nonlinearity hardening approximate model of the constitutive relations using the traditional theory of plastic limit analysis.
在梁的极限分析中采用新的刚塑性模型，推导出极限弯矩公式。
Using the improved model, an ultimate bending moment formula is presented.
在梁的极限分析中采用新的刚塑性模型，推导出极限弯矩公式。
Using the improved model, an ultimate bending moment formula is presented.
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