Modeling of joints with clearance in flexible multibody systems

被引：141
|
作者：
Bauchau, OA [1 ]
Rodriguez, J [1 ]
机构：
[1] Georgia Inst Technol, Sch Aerosp Engn, Atlanta, GA 30332 USA
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2002年 / 39卷 / 01期
关键词：
clearance; joints; multibody dynamics; lubrication;
D O I：
10.1016/S0020-7683(01)00186-X
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper is concerned with the modeling of joints with clearance within the framework of finite element based dynamic analysis of nonlinear, flexible multibody systems. For actual joints, clearance, lubrication and friction phenomena can significantly affect the dynamic response of the system. In this work, the effects of clearance and lubrication are studied for revolute and spherical joints. The formulation is developed within the framework of energy preserving and decaying time integration schemes that provide unconditional stability for nonlinear, flexible multibody systems. Numerical examples are presented that demonstrate the efficiency and accuracy of the proposed approach. The importance of modeling structural damping and limited driving power are discussed. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：41 / 63
页数：23
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