Ben-Nun, O and Einav, I and Tordesillas, A (2010) Force attractor in confined comminution of granular materials. Phys Rev Lett , 104 (10) 108001 - ?.
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We reveal a novel attractor in the space of contact forces that bounds the behavior of granular materials during confined comminution. The attractor is reached asymptotically as the porosity reduces and the grain size distribution attains an ultimate power law scaling. The ultimate distribution of the contact forces follows a clear log-normal distribution, distinctively different from previous observations in uncrushable systems. Supporting evidence comes both from comprehensive discrete element simulations and a theoretical Apollonian model.
|Title:||Force attractor in confined comminution of granular materials.|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering|
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