内时理论、非线性随动硬化规律与广义塑性--基于广义正态假设的一种新解释
Endochronic theory, non-linear kinematic hardening rule and generalized plasticity: a new interpretation based on generalized normality assumption
摘要:
定义塑性模型流动规则的一个简单方法是假设广义正态性和一个合适的赝势函数。然而,这种方法通常不用于制定内时理论和非线性运动(NLK)硬化规则以及广义塑性模型。本文利用广义正态性给出了这类模型的一个新的形式。在此基础上,提出了一种适用于内时模型的赝势,并给出了NLK硬化模型和广义塑性模型的非标准描述。这种新的配方允许这三类塑性模型之间的关系进行有效的调查。
英文摘要:
A simple way to define the flow rules of plasticity models is the assumption of generalized normality associated with a suitable pseudo-potential function. This approach, however, is not usually employed to formulate endochronic theory and non-linear kinematic (NLK) hardening rules as well as generalized plasticity models. In this paper, generalized normality is used to give a new formulation of these classes of models. As a result, a suited pseudo-potential is introduced for endochronic models and a non-standard description of NLK hardening and generalized plasticity models is also provided. This new formulation allows for an effective investigation of the relationships between these three classes of plasticity models.
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