Calculation of component mode synthesis matrices from measured frequency response functions, part 2: Application

J. A. Morgan, C. Pierre, G. M. Hulbert

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Abstract

This paper demonstrates how to calculate Craig-Bampton component mode synthesis matrices from measured frequency response functions. The procedure is based on a modified residual flexibility method, from which the Craig-Bampton CMS matrices are recovered, as presented in the companion paper. Part I (Morgan et al., 1998). A system of two coupled beams is analyzed using the experimentally-based method. The individual beams’ CMS matrices are calculated from measured frequency response functions. Then, the two beams are analytically coupled together using the test-derived matrices. Good agreement is obtained between the coupled system and the measured results.

Original languageEnglish
Pages (from-to)509-516
Number of pages8
JournalJournal of Vibration and Acoustics, Transactions of the ASME
Volume120
Issue number2
DOIs
StatePublished - Apr 1998

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