2019/03/27 by Yusheng Lei, Lei, Yusheng, Qinwei Ma +3
Engineering · Environmental Science · Physics and Astronomy · #FOS: Physical sciences #Fluid Dynamics Simulations and Interactions #Granular flow and fluidized beds #Landslides and related hazards #Soft Condensed Matter (cond-mat.soft) #cond-mat.soft
paper · pdf · doi:10.48550/arxiv.1903.11459
18 pages, 21 figures
arxiv created 2019/03/27 · openalex publication_date 2019/03/27 · arxiv updated 2019/03/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The side-wall pressure distribution in static silos is an important and open problem related to storage safety of granular materials. Referring to Lvin's theory [Powder Technology 4, 280 (1971)] and Rodolfo's 2D numerical result [Phys. Rev. E 97.1(2018)], a new theoretical model of side wall pressure is established by assuming the friction coefficient as well as the ratio of horizontal to vertical stress changing with depth position in silo. Furthermore, the transition of stress state between hydrostatic-like and Janssen-like is systematically investigated by our model and experiment, and finally an empirical expression describing this transition is proposed.