2007/04/25 by Alexander Ries, Tamas Unger, Tamás Unger +1 · 3 citations
Engineering · Environmental Science · Physics and Astronomy · #Composite material #Contact dynamics #Geology #Geotechnical engineering #Granular flow and fluidized beds #Granular material #Landslides and related hazards #Materials science #Mechanics #Petrology #Physics #Planetary Science and Exploration #Rheology #Shear (geology) #Shear flow #Shear rate #Shear stress #Shear velocity #Shear zone #Turbulence #cond-mat.soft #cond-mat.stat-mech
paper · pdf · doi:10.1103/physreve.76.051301
published as Phys. Rev. E 76, 051301 (2007) · 9 pages
arxiv created 2007/04/25 · openalex publication_date 2007/11/07 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The properties of shear zones forming in slow three-dimensional granular flow are investigated. We simulate a straight version of the split-bottom shear cell. It is shown that the same type of wide shear zones is obtained in the presence as well as in the absence of gravity. We investigate the relaxation of the material toward stationary flow and analyze the stress and the velocity fields. A functional form of the widening of the shear zone inside the bulk is given. We discuss the growth of the region where the material is in the critical state. The growth of this critical zone turns out to be responsible for the initial transient of the shear zone.