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Title: Gravity-driven dense granular flows

Abstract

The authors report and analyze the results of numerical studies of dense granular flows in two and three dimensions, using both linear damped springs and Hertzian force laws between particles. Chute flow generically produces a constant density profile that satisfies scaling relations suggestive of a Bagnold grain inertia regime. The type for force law has little impact on the behavior of the system. Failure is not initiated at the surface, consistent with the absence of surface flows and different principal stress directions at vs. below the surface.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
753412
Report Number(s):
SAND2000-0806J
TRN: AH200018%%1
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Journal Article
Journal Name:
Rhysical Review Letters
Additional Journal Information:
Other Information: Submitted to Physical Review Letters; PBD: 29 Mar 2000
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 01 COAL, LIGNITE, AND PEAT; GRANULAR MATERIALS; SOLIDS FLOW; FLOW MODELS; GRAVITATION; HOPPERS

Citation Formats

ERTAS, DENIZ, GREST, GARY S, HALSEY, THOMAS C, DEVINE, DOV, and SILBERT, LEONARDO E. Gravity-driven dense granular flows. United States: N. p., 2000. Web.
ERTAS, DENIZ, GREST, GARY S, HALSEY, THOMAS C, DEVINE, DOV, & SILBERT, LEONARDO E. Gravity-driven dense granular flows. United States.
ERTAS, DENIZ, GREST, GARY S, HALSEY, THOMAS C, DEVINE, DOV, and SILBERT, LEONARDO E. 2000. "Gravity-driven dense granular flows". United States. https://www.osti.gov/servlets/purl/753412.
@article{osti_753412,
title = {Gravity-driven dense granular flows},
author = {ERTAS, DENIZ and GREST, GARY S and HALSEY, THOMAS C and DEVINE, DOV and SILBERT, LEONARDO E},
abstractNote = {The authors report and analyze the results of numerical studies of dense granular flows in two and three dimensions, using both linear damped springs and Hertzian force laws between particles. Chute flow generically produces a constant density profile that satisfies scaling relations suggestive of a Bagnold grain inertia regime. The type for force law has little impact on the behavior of the system. Failure is not initiated at the surface, consistent with the absence of surface flows and different principal stress directions at vs. below the surface.},
doi = {},
url = {https://www.osti.gov/biblio/753412}, journal = {Rhysical Review Letters},
number = ,
volume = ,
place = {United States},
year = {Wed Mar 29 00:00:00 EST 2000},
month = {Wed Mar 29 00:00:00 EST 2000}
}