Fretting damage modeling of liner-bearing interaction by combined finite element - discrete element Method

被引：16
作者：
Li, Wen [1 ]
Huang, Yong [2 ]
Fu, Bibo [3 ]
Cui, Yi [4 ]
Dong, Sujun [2 ]
机构：
[1] China Aviat Engine Estab, Beijing 100028, Peoples R China
[2] Beijing Univ Aeronaut & Astronaut, Sch Aeronaut Sci & Technol, Beijing 100191, Peoples R China
[3] China Aviat Powerplant Res Inst, Zhengzhou 412002, Hunan, Peoples R China
[4] Shanghai Aircraft Design & Res Inst, Shanghai 200232, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2013年 / 61卷
关键词：
Fretting damage; Discrete element method; Finite element method; Bearing-liner interaction; WEAR; VALIDATION; SIMULATION; EVOLUTION; FRACTURE; GEOMETRY;
D O I：
10.1016/j.triboint.2012.11.019
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents a methodology to study the fretting damage behavior by combined finite element-discrete element method based on FFD method and cut boundary displacement method. A discrete element modeling technique is developed. An inter-element contact constitutive model and its microscopic parameters are determined and calibrated to reproduce continuous and discontinuous behaviors of material in DEM. A crack visualization technique is developed to display cracks according to their failure mode and time dependency. The effect of fretting condition on crack initiation and propagation as well as fretting damage is studied. The mechanism of fretting wear is investigated. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：19 / 31
页数：13
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