Estimating the energy dissipated in a bolted spacecraft at resonance

被引：23

作者：

Crocombe, AD ^{[1
]}

Wang, R

Richardson, G

Underwood, CI

机构：

[1] Univ Surrey, Sch Engn, Guildford GU2 7XH, Surrey, England

[2] Surrey Space Technol Ltd, Guildford GU2 7XH, Surrey, England

[3] Surrey Space Ctr, Guildford GU2 7XH, Surrey, England

来源：

COMPUTERS & STRUCTURES | 2006年 / 84卷 / 5-6期

关键词：

bolted joints; spacecraft structure; FE model; contact elements; non-linear analysis; energy dissipation;

D O I：

10.1016/j.compstruc.2005.09.024

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper a method is established to estimate the energy dissipated in the bolted joints of a satellite structure. The technique is equally applicable to any other bolted structure. A 3D FE model of a detailed bolted joint was created and the relationship between energy dissipated in the joint and the transverse excitation force established using non-linear FE analyses. Experimental tests were carried out on bolted joint specimens to provide data for the FE modelling techniques used. Local joint forces in the satellite were obtained from a FE model of the satellite using a frequency response analysis. These forces were used in conjunction with the joint force-energy relationship to obtain the energy dissipated in the joints. Analysis revealed that, without including joint macro-slip, the energy dissipated in the joints of the current satellite was relatively small. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：340 / 350

页数：11

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