Issues in the Coarse-Graining of Dislocation Energetics and Dynamics

J. M. Rickman; Richard LeSar

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Issues in the Coarse-Graining of Dislocation Energetics and Dynamics

机译：位错能量和动力学的粗粒度问题

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We discuss the challenges and controversies involved in obtaining a coarse-grained description of dislocation energetics and dynamics. We start by outlining the structural and dynamical considerations, specific to dislocations that are associated with homogenization. We then briefly review several existing strategies. Particular attention is paid to the role of dislocation substructure, critical in determining mechanical response, in a coarse-grained representation. Finally, promising future research directions are highlighted.

机译：我们讨论获得位错能量学和动力学的粗粒度描述所涉及的挑战和争议。我们首先概述与均质化相关的位错的结构和动力学考虑。然后，我们简要回顾几种现有策略。特别要注意的是位错亚结构的作用，对于确定机械响应至关重要，以粗粒度表示。最后，突出了有希望的未来研究方向。

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《Scripta materialia》 |2006年第5期|共5页
作者
J. M. Rickman; Richard LeSar;
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正文语种 eng
中图分类金属学与热处理;
关键词
Dislocation microstructures; Stochastic dynamics; Coarse-graining;

机译：位错微观结构;随机动力学;粗粒度;

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1. Issues in the Coarse-Graining of Dislocation Energetics and Dynamics [J] . J. M. Rickman, Richard LeSar Scripta materialia . 2006,第5期

机译：位错能量和动力学的粗粒度问题
2. Electronic structure study of screw dislocation core energetics in Aluminum and core energetics informed forces in a dislocation aggregate [J] . Das Sambit K., Gavini Vikram Journal of the Mechanics and Physics of Solids . 2017,第jula期

机译：铝中螺旋位错核心能量学和位错集合体中核心能量知情力的电子结构研究
3. Energetic dislocation interactions and thermodynamical aspects of strain gradient crystal plasticity theories [J] . I. Erturk, J.A.W. van Dommelen, M.G.D. Geers Journal of the Mechanics and Physics of Solids . 2009,第11期

机译：高能位错相互作用和应变梯度晶体可塑性理论的热力学方面
4. Coarse-Graining in Genetic Algorithms: Some Issues and Examples [C] . Andres Aguilar Contreras, Jonathan E. Rowe, Christopher R. Stephens Annual genetic and evolutionary computation conference . 2003

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5. Evolution, interaction, and intrinsic properties of dislocations in intermetallics: Anisotropic three-dimensional dislocation dynamics approach. [D] . Chen, Qian. 2008

机译：金属间化合物中位错的演化，相互作用和内在性质：各向异性三维位错动力学方法。
6. Coarse-graining of the dynamics seen in neural networks [O] . Alona Ben-Tal, Ioannis Kevrekidis, Joshua Duley 2013

机译：在神经网络中看到的动态的粗粒度
7. Electronic structure study of screw dislocation core energetics in Aluminum and core energetics informed forces in a dislocation aggregate [O] . Das, Sambit, Gavini, Vikram 2017

机译：螺旋位错核能量学的电子结构研究铝和核心能量学在一个错位聚合体中引发了力量

Issues in the Coarse-Graining of Dislocation Energetics and Dynamics

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