Energy-based non-local plasticity models for deformation patterning, localization and fracture
Energy-based non-local plasticity models for deformation patterning, localization and fracture
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用于变形模式、局部化和断裂的基于能量的非局部塑性模型
DOI:
10.1098/rspa.2015.0275
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Lancioni G
中科院分区:
文献类型:
--
作者:
Lancioni G
This paper analyses the effect of the form of the plastic energy potential on the (heterogeneous) distribution of the deformation field in a simple setting where the key physical aspects of the phenomenon could easily be extracted. This phenomenon is addressed through two different (rate-dependent and rate-independent) non-local plasticity models, by numerically solving two distinct one-dimensional problems, where the plastic energy potential has different non-convex contributions leading to patterning of the deformation field in a shear problem, and localization, resulting ultimately in fracture, in a tensile problem. Analytical and numerical solutions provided by the two models are analysed, and they are compared with experimental observations for certain cases.
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DOI:
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发表时间:
2005
期刊:
影响因子:
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作者:
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通讯作者:
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影响因子:
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作者:
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DOI:
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发表时间:
2013
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DOI:
--
发表时间:
2015
期刊:
影响因子:
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作者:
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通讯作者:
T. Yalçinkaya