A LAMMPS implementation of granular mechanics: Inclusion of adhesive and microscopic friction forces

被引：39
作者：
Ringl, Christian
Urbassek, Herbert M. [1 ]
机构：
[1] Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany
来源：
COMPUTER PHYSICS COMMUNICATIONS | 2012年 / 183卷 / 04期
关键词：
Granular mechanics; Porous clusters; Dust collisions; Sound velocity; LAMMPS; DUST AGGREGATE COLLISIONS; NUMERICAL-SIMULATION; CONTACT; COMPRESSION; DISRUPTION; RESISTANCE; DYNAMICS; MODEL;
D O I：
10.1016/j.cpc.2012.01.004
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A model for pm-sized grain-grain interaction is presented, which exhibits the essential features necessary to describe collision, agglomeration and fragmentation processes. The model has been efficiently implemented in the LAMMPS code. In addition to existing models, adhesive forces and - gliding, rolling, and torsional - friction processes are implemented. The code scales linearly with grain number up to similar to 10(6) on a single processor and inherits the excellent parallelization features of the LAMMPS code on multi-processor machines. We validate the code by determining the velocity of sound of granular agglomerates. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：986 / 992
页数：7
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