Maximum Angle of Stability of a Wet Granular Pile

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dc.creatorNowak, Sarah
dc.creatorSamadani, Azadeh
dc.creatorKudrolli, Arshad
dc.date2005-08-15
dc.date.accessioned2026-07-07T06:20:45Z
dc.date.available2026-07-07T06:20:45Z
dc.descriptionAnyone who has built a sandcastle recognizes that the addition of liquid to granular materials increases their stability. However, measurements of this increased stability often conflict with theory and with each other [1-7]. A friction-based Mohr-Coulomb model has been developed [3,8]. However, it distinguishes between granular friction and inter-particle friction, and uses the former without providing a physical mechanism. Albert, {\em et al.} [2] analyzed the geometric stability of grains on a pile's surface. The frictionless model for dry particles is in excellent agreement with experiment. But, their model for wet grains overestimates stability and predicts no dependence on system size. Using the frictionless model and performing stability analysis within the pile, we reproduce the dependence of the stability angle on system size, particle size, and surface tension observed in our experiments. Additionally, we account for past discrepancies in experimental reports by showing that sidewalls can significantly increase the stability of granular material.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0508352
dc.identifierhttp://arxiv.org/abs/cond-mat/0508352
dc.identifierNature Physics 1, 50-52 (2005)
dc.identifierdoi:10.1038/nphys106
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95399
dc.subjectOther Condensed Matter
dc.titleMaximum Angle of Stability of a Wet Granular Pile
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