Three-dimensional granular contact dynamics with rolling resistance

被引：56
作者：
Huang, J. [1 ]
Vicente da Silva, M. [1 ,2 ]
Krabbenhoft, K. [1 ,3 ]
机构：
[1] Univ Newcastle, Ctr Geotech Sci & Engn, Callaghan, NSW 2308, Australia
[2] Univ Nova Lisboa, Dept Civil Engn, P-1200 Lisbon, Portugal
[3] Univ Southern Denmark, Inst Technol & Innovat, Odense, Denmark
来源：
COMPUTERS AND GEOTECHNICS | 2013年 / 49卷
关键词：
Contact dynamics; Discrete element method; DEM; Rolling resistance; BOUND LIMIT ANALYSIS; MULTIBODY DYNAMICS; OPTIMIZATION; FORMULATION; ALGORITHM; SIMULATIONS; NONSMOOTH; COLLAPSE; BEHAVIOR; MODEL;
D O I：
10.1016/j.compgeo.2012.08.007
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A three-dimensional granular contact dynamics scheme is presented. The scheme is variational in structure, thus making it possible to solve the governing equations by means of mathematical programming methods. To facilitate the modeling of natural grains using spherical geometries, a rolling resistance model is developed. A number of static and dynamic benchmark examples are considered including the granular column collapse problem where the agreement between simulation and previously published experimental results is found to be very good. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：289 / 298
页数：10
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