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Modeling an Electrodynamic Shaker Using Experimental Substructuring Read chapter Read first chapter

2018 | OriginalPaper | Chapter

17. Interface Reduction in Component Mode Synthesis of Bladed Disks by Orthogonal-Polynomial Series

Authors : Luigi Carassale, Andrea Bessone, Andrea Cavicchi

Published in: Dynamics of Coupled Structures, Volume 4

Publisher: Springer International Publishing

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Abstract

The component mode synthesis based on the Craig-Bampton method has two strong limitations that appear when the number of the interface degrees of freedom is large. First, the reduced-order model obtained is overweighed by many unnecessary degrees of freedom. Second, the reduction step may become extremely time consuming. Several interface reduction techniques addressed successfully the former problem, while the latter remains open. In this paper we tackle this latter problem through a simple interface-reduction technique based on an a-priory choice of the interface modes. An efficient representation of the interface displacement field is achieved adopting a set of orthogonal basis functions determined by the interface geometry.

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previous chapter Dynamic Substructuring Applied to the Decoupling of Acoustic-Structure Systems
next chapter Frequency Based Substructuring with the Virtual Point Transformation, Flexible Interface Modes and a Transmission Simulator
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Metadata
Title
Interface Reduction in Component Mode Synthesis of Bladed Disks by Orthogonal-Polynomial Series
Authors
Luigi Carassale
Andrea Bessone
Andrea Cavicchi
Copyright Year
2018
Book
Dynamics of Coupled Structures, Volume 4

Print ISBN: 978-3-319-74653-1

Electronic ISBN: 978-3-319-74654-8

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-74654-8_17

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