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18 June 2002 Modal-based diagnostics of cracked rotors
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Abstract
Different approaches are used to sense and to localize a damage of rotating structures. Most of the methods take advantage of the dynamic behavior of the structural model [1-7]. This paper uses the modal and sensor norms, as defined in [8], to determine damage locations. The proposed approach allows localization of damaged elements within a structure, and provides information concerning the impact of the damage on the structure's natural modes of vibration.
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Jerzy T. Sawicki, Andrew L. Gyekenyesi, and George Y. Baaklini "Modal-based diagnostics of cracked rotors", Proc. SPIE 4704, Nondestructive Evaluation and Health Monitoring of Aerospace Materials and Civil Infrastructures, (18 June 2002); https://doi.org/10.1117/12.470718
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