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

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          Abstract

          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.

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          Author and article information

          Journal
          Philos Trans A Math Phys Eng Sci
          Philosophical transactions. Series A, Mathematical, physical, and engineering sciences
          1364-503X
          1364-503X
          Jan 13 2010
          : 368
          : 1910
          Affiliations
          [1 ] Centre for Nonlinear Mechanics, University of Bath, Bath BA2 7AY, UK. g.w.hunt@bath.ac.uk
          Article
          368/1910/249
          10.1098/rsta.2009.0180
          19948554
          This journal is © 2010 The Royal Society

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