屈服条件由应力张量的二次齐次函数与一次齐次函数之和来表达的极限分析定理
Theorems on the Limit Analysis Dealing with the Yield Condition Expressed by the Sum of the Homogeneous Linear Form of Stress Tensor and the Homogeneous Quadratic Form of Stress Tensor
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摘要: 本文建立了由应力张量σij的二次齐次函数与一次齐次函数的和来表达其屈服条件的刚理想塑性体的极限分析变分原理,它可用于岩土力学的极限分析问题,并把屈服条件为应力张量σij 的二次齐次函数或一次齐次函数来表达的情况作为其特例.Abstract: In this paper a generalized variational principle on the limit analysis dealing with the yield condition expressed by the sum of the homogeneous linear form of stress tensor and the homogeneous quadratic form of stress tensor is suggested.This variational principle can be applied to the limit analysis in rock mechanics and it takes the situation, in which the yield condition is expressed by the homogeneous linear form of stress tensor or the homogeneous quadratic form of stress tensor, as its special case.
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