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INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF PHYSICS: CONDENSED MATTER J. Phys.: Condens. Matter 14 (2002) 23912402 PII: S0953-8984(02)31079-8
 

Summary: INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF PHYSICS: CONDENSED MATTER
J. Phys.: Condens. Matter 14 (2002) 2391­2402 PII: S0953-8984(02)31079-8
Stress transmission in granular matter
T Aste1
, T Di Matteo1,2
and E Galleani d'Agliano1
1 INFM-Dipartimento di Fisica, via Dodecaneso 33, 16146 Genova, Italy
2 INFM-Dipartimento di Fisica `ER Caianiello', via S Allende, 84081 Baronissi (SA), Italy
E-mail: aste@fisica.unige.it, tiziana@sa.infn.it and galleani@fisica.unige.it
Received 22 November 2001
Published 22 February 2002
Online at stacks.iop.org/JPhysCM/14/2391
Abstract
The transmission of forces through a disordered granular system is studied by
means of a geometrical­topological approach that reduces the granular packing
into a set of layers. This layered structure constitutes the skeleton through which
the force chains set up. Given the granular packing, and the region where the
force is applied, such a skeleton is uniquely defined. Within this framework, we
write an equation for the transmission of the vertical forces that can be solved
recursively layer by layer. We find that a special class of analytical solutions

  

Source: Aste, Tomaso - Department of Applied Mathematics, Australian National University
Di Matteo, Tiziana - Department of Mathematics, King's College London

 

Collections: Materials Science; Mathematics; Physics