Force Distributions in Dense Two-Dimensional Granular Systems

by: Farhang Radjai, Michel Jean, Jean-Jacques Moreau, Stéphane Roux

Physical Review Letters, Vol. 77, No. 2. (July 1996), 274.

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Abstract

Relying on contact dynamics simulations; we study the statistical distribution of contact forces inside a confined packing of circular rigid disks with solid friction. We find the following: (1) The number of normal and tangential forces lower than their respective mean value decays as a power law. (2) The number of normal and tangential forces higher than their respective mean value decays exponentially. (3) The ratio of friction to normal force is uniformly distributed and is uncorrelated with normal force. (4) When normalized with respect to their mean values; these distributions are independent of sample size and particle size distribution.

@article{citeulike:2280860, abstract = {Relying on contact dynamics simulations; we study the statistical distribution of contact forces inside a confined packing of circular rigid disks with solid friction. We find the following: (1) The number of normal and tangential forces lower than their respective mean value decays as a power law. (2) The number of normal and tangential forces higher than their respective mean value decays exponentially. (3) The ratio of friction to normal force is uniformly distributed and is uncorrelated with normal force. (4) When normalized with respect to their mean values; these distributions are independent of sample size and particle size distribution.}, author = {Radjai, Farhang and Jean, Michel and Moreau, Jean-Jacques and Roux, St\'{e}phane }, citeulike-article-id = {2280860}, doi = {10.1103/PhysRevLett.77.274}, journal = {Physical Review Letters}, keywords = {2d, force, grains}, month = {July}, number = {2}, pages = {274+}, posted-at = {2008-04-28 16:26:00}, priority = {2}, publisher = {American Physical Society}, title = {Force Distributions in Dense Two-Dimensional Granular Systems}, url = {http://dx.doi.org/10.1103/PhysRevLett.77.274}, volume = {77}, year = {1996} }

RIS record

TY - JOUR ID - citeulike:2280860 L3 - citeulike-article-id:2280860 TI - Force Distributions in Dense Two-Dimensional Granular Systems JF - Physical Review Letters VL - 77 IS - 2 SP - 274 PB - American Physical Society N2 - Relying on contact dynamics simulations; we study the statistical distribution of contact forces inside a confined packing of circular rigid disks with solid friction. We find the following: (1) The number of normal and tangential forces lower than their respective mean value decays as a power law. (2) The number of normal and tangential forces higher than their respective mean value decays exponentially. (3) The ratio of friction to normal force is uniformly distributed and is uncorrelated with normal force. (4) When normalized with respect to their mean values; these distributions are independent of sample size and particle size distribution. KW - 2d KW - force KW - grains AU - Radjai, Farhang AU - Jean, Michel AU - Moreau, Jean-Jacques AU - Roux, Stéphane PY - 1996/07// UR - http://dx.doi.org/10.1103/PhysRevLett.77.274 ER -

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