Lo, CY and Bolton, MD and Cheng, YP (2010) Velocity fields of granular flows down a rough incline: a DEM investigation. Granular Matter , 12 (5) 447 - 482. 10.1007/s10035-010-0212-9.
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This paper describes a statistical method to explore the velocity profiles of granular flows down rough inclines. Using 3D Discrete Element Method (DEM), granular material is released from a box onto a slope and allowed to flow indefinitely. Fluctuating velocity fields are observed, as particle motions become more dynamic and agitated. Linear regression is used to decompose the fluctuating velocity field into a best-fit velocity profile and a fluctuating component. Analysis shows that the slope inclination has a considerable influence on the rheology, in terms of both the fluctuating velocity and the shear rate of the flow.
|Title:||Velocity fields of granular flows down a rough incline: a DEM investigation|
|Additional information:||From the issue entitled "Special Issue : “IS-Shanghai 2010: International Symposium on Geomechanics and Geotechnics:From Micro to Macro, Shanghai, China, October 2010”/Guest Edited by Mingjing Jiang and Fang Liu"|
|Keywords:||Granular flow, Rheology, Discrete Element Modelling|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering|
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