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《Journal of Vibration,Measurement & Diagnosis》 2002-02
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Studies on Curvature Modal Analysis of Damaged Structures

Li Gongyu Zheng Huawen (College of Mechanical and Electrical Engineering,Kunming University of Science and Technology Kunming,650093,China)  
The curvature modes of a cantilever beam with two types of notch are derived from its displacement modes obtained by finite element analysis using software ANSYS.Analysis results show that the damage location and degree of the beam can be diagnosed effectively by means of the curvature modal analysis,and there is a good linear relationship between the abrupt factor of curvature mode introduced in this paper and the damage degree of the beam.
【Fund】: 昆明市科委重点科技计划项目 (编号 :昆科工字 2 0 0 0 - 17)
【CateGory Index】: TH113.1
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