Force-chain buckling in granular media: a structural mechanics perspective

被引：43
作者：
Hunt, Giles W. [1 ]
Tordesillas, Antoinette [2 ]
Green, Steven C. [1 ]
Shi, Jingyu [2 ]
机构：
[1] Univ Bath, Ctr Nonlinear Mech, Bath BA2 7AY, Avon, England
[2] Univ Melbourne, Dept Math & Stat, Melbourne, Vic 3010, Australia
来源：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2010年 / 368卷 / 1910期
基金：
澳大利亚研究理事会;
关键词：
bifurcation; localization; shear band formation; instability; buckling;
D O I：
10.1098/rsta.2009.0180
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Parallels are drawn between the response of a discrete strut on a linear elastic foundation and force-chain buckling in a constrained granular medium. Both systems buckle initially into periodic shapes, with wavelengths that depend on relative resistances to lateral displacement, and curvature in the buckled shape. Under increasing end shortening, the classical structural model evolves to a localized form extending over a finite number of contributing links. By analogy, it is conjectured that the granular model of force-chain buckling might follow much the same evolutionary route into a shear band.
引用
收藏
页码：249 / 262
页数：14
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