期刊
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME
卷 123, 期 1, 页码 84-91出版社
ASME-AMER SOC MECHANICAL ENG
DOI: 10.1115/1.1320445
关键词
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A method is derived to detect and localize linear damage in a structure using the measured modal vibration parameters, This method is applicable when the vibration strain energy is stored in the axial or torsional modes, which differentiates it from previously derived strain-energy-based methods. The new method is compared to the previously derived flexibility-change method for comparison. Both methods are verified by application to an analytical eight degree of freedom model. Experimental validation for both methods is also presented by application to an experimental eight degree of freedom spring-mass structure.
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