Problem of close eigenvalues in the vibration testing of structures

V. Gershkovich, N. Haritos


We outline our vibration based testing approach towards reconstruction of structural properties and damage detection of large structures. Our emphasis is on developing algorithms for the detection of close or coinciding eigenvalues and their calculation --- a commonly encountered situation that has not been adequately addressed in the modal analysis literature nor in commercial software.

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ANZIAM Journal, ISSN 1446-8735, copyright Australian Mathematical Society.