Statistical analysis of contact force components in random granular assemblies

K. Bagi

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Statistical analysis of contact force components in random granular assemblies

机译：随机颗粒组件中接触力分量的统计分析

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摘要

This paper analyses the probability density functions of contact force components corresponding to the principle directions of average stress. A theoretical prediction is derived for the distribution of these components, with the help of maximizing the statistical entropy. Limits of validity of the prediction are analyzed by numerical simulations on isotropic assemblies under hydrostatic pressure. The results show that the 'history' of the assembly has a strong influence on the type of the force distributions.

机译：本文分析了与平均应力的主要方向相对应的接触力分量的概率密度函数。在最大化统计熵的帮助下，得出了这些成分分布的理论预测。通过对静水压力下各向同性组件的数值模拟，分析了预测的有效性极限。结果表明，组件的“历史”对力分布的类型有很大的影响。

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来源
《Granular matter》 |2003年第1期|p.45-54|共10页
作者
K. Bagi;
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作者单位

Department of Structural Mechanics, Budapest University of Technology and Economics, Mueegyetem rkp. 3. K.mf.35., H-1521 Budapest, Hungary;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
particle system; microstructural; statistical entropy; quasi-static; micromechanics;

机译：粒子系统;微观结构;统计熵;准静态;微观力学;

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1. Probabilistic analysis of random contact force between geomembrane and granular material [J] . JIANG Xiao-zhen, SHU Yi-ming 中南大学学报（英文版） . 2014,第008期

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2. On entropy estimates of contact forces in static granular assemblies [J] . Goddard JD International Journal of Solids and Structures . 2004,第21期

机译：关于静态颗粒组件中接触力的熵估计
3. Statistical mechanics of granular materials: stress propagation and distribution of contact forces [J] . S. F. Edwards, D. V. Grinev Granular matter . 2003,第4期

机译：粒状材料的统计力学：应力传播和接触力分布
4. FAST CALCULATION OF THE STATISTICS OF THE FORCED RESPONSE OF MISTUNED BLADED DISK ASSEMBLIES WITH FRICTION CONTACTS [C] . Walter Sextro, Lars Panning, Florian Goetting, ASME (American Society of Mechanical Engineers) Turbo Expo 2002: Ceramics Industrial and Cogeneration Structures and Dynamics . 2002

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6. Contact force-guided catheter ablation for the treatment of atrialfibrillation: a meta-analysis of randomized controlled trials [O] . Z. Qi, X. Luo, B. Wu, 2016

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7. On entropy estimates of contact forces in static granular assemblies [O] . J. D. Goddard 2004

机译：关于静态颗粒组件中接触力的熵估计

Statistical analysis of contact force components in random granular assemblies

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