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cond-mat.soft2003
Static response in disk packings
Cristian F. Moukarzel, Hector Pacheco-Martinez, J. C. Ruiz-Suarez +1
We present experimental and numerical results for displacement response functions in packings of rigid frictional disks under gravity. The central disk on the bottom layer is shift…
cond-mat.soft1998
Granular matter instability: A structural rigidity point of view
Cristian F. Moukarzel
Stress paths in granular matter often suffer sudden large-scale rearrangements when the system is slightly perturbed, i.e. granular systems are unstable. We show in this paper that…