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Spatial memories and correlation functions in the theory of stress distribution in granular materials

机译:颗粒材料应力分布理论中的空间记忆和相关函数

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摘要

The problem of calculating stress distributions in granular materials is addressed via a formalism involv- ing spatial memories. The stochastic origin of the mem- ories is explained and the connection of the memories to correlation functions in the granular system are clarified in several ways: via stochastic considerations, through effec- tive medium arguments, and by generalization of existing constitutive relations. It is indicated how to unify exist- ing theories in the literature with the help of the memory formalism and how to apply the theory to compaction in dies to explain observed oscillations in the stress.
机译:通过涉及空间记忆的形式化解决了计算颗粒材料中应力分布的问题。解释了内存的随机起源,并通过多种方式阐明了内存与粒度系统中相关函数的联系:通过随机考虑,通过有效的介质参数以及对现有本构关系的概括。它指出了如何借助记忆形式主义来统一文献中的现有理论,以及如何将该理论应用于模具的压实以解释应力中观察到的振荡。

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