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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 3    September 1999

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Experimental modal analysis on damage of skeleton in brake of airplane
Xie Zuoji(谢祚济), Lin Lichuan(林丽川)

College of Resources, Environment and Civil Engineering,Central South University of Technology, Changsha 410083, P.R.China

Abstract:The relation between damage and modal parameters of skeleton has been discussed and analysed. Some significant results for detecting damage have been obtained by using experimental data of ωdi and ζi. Then, the modal experiments of four type of skeleton have been performed, the modal bifurcation phenomenon is discovered. It follows that this method for studying skeleton damage is a very promising method through theoretical and experimental analysis.

 

Key words: damage; skeleton; modal analysis; bifurcation

ISSN 1672-7029
CN 43-1423/U

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