On the quantification of eigenvalue curve veering: A veering index

Jonathan L. du Bois, Sondipon Adhikari, Nick A. J. Lieven

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Eigenvalue curve veering is a phenomenon that has found relevance and application in a variety of structural dynamic problems ranging from localization and stability studies to material property determination. Contemporary metrics for quantifying veering can be ambiguous and difficult to interpret. This manuscript derives three normalized indices in an effort to reconcile the deficit; two of these quantify the physical conditions which produce the behavior while the third provides a definitive measure of the overall intensity of the effect. Numerical examples are provided to illustrate the application of the methods, which are expected to form a basis for the development of advanced analytical tools.
Original languageEnglish
Article number041007
Number of pages8
JournalJournal of Applied Mechanics: Transactions of the ASME
Volume78
Issue number4
Early online date12 Apr 2011
DOIs
Publication statusPublished - Jul 2011

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