A theory for multiple collisions of rigid solids and numerical simulation of granular flow

被引：11
|
作者：
Dal Pont, S. [1 ]
Dimnet, E. [1 ]
机构：
[1] Lab Cent Ponts & Chaussees Cellule Mecan & Struct, LMSRGI, Div Soil & Rock Mech & Engn Geol, F-75732 Paris 15, France
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2006年 / 43卷 / 20期
关键词：
discrete model; instantaneous collisions; principle of virtual work; numerical simulation of a landslide; atomized efforts contact dynamics respecting Clausius-Duhem inequality (A-CD2);
D O I：
10.1016/j.ijsolstr.2005.10.001
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Granular materials such as soils are often modeled as a collection of discrete bodies. In this paper we apply a strategy for soil modeling which is based on a discretization of the media with rigid polygons: a mechanical description of instantaneous collisions, based on the principle of virtual work is presented. Finally, a numerical example based on the proposed theory is treated. A package of randomly generated particles has been arranged on a skid, simulating the behaviour of a landslide. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6100 / 6114
页数：15
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