膏体残余应力中的旋转记忆。

IF 2.2 3区物理与天体物理 Q2 PHYSICS, FLUIDS & PLASMAS

Physical Review E Pub Date : 2025-02-01 DOI:10.1103/PhysRevE.111.025502

Hiroki Matsuda, Michio Otsuki

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引用次数: 0

摘要

采用弹塑性模型对膏体水平旋转后的应力分布进行了数值研究。残余应力作为旋转的记忆而存在。旋转后，环向应力增大，径向应力减小。残余应力与旋转引起的塑性变形有解析关系。基于塑性变形的时间演化，从理论上描述了应力分布变化的机理。

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Memory of rotation in residual stress of paste.

We numerically investigate the stress distribution in pastes after horizontal rotation by using an elastoplastic model. Residual stress remains as a memory of rotation. The stress in the circumferential direction increases after the rotation, whereas that in the radial direction decreases. The residual stress is analytically related to the plastic deformation induced by the rotation. Based on the time evolution of plastic deformation, we theoretically describe the mechanism of the changes in the stress distribution.

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来源期刊

Physical Review E PHYSICS, FLUIDS & PLASMASPHYSICS, MATHEMAT-PHYSICS, MATHEMATICAL

CiteScore

4.50

自引率

16.70%

发文量

2110

期刊介绍： Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.