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Numerical assessment of reduced order modeling techniques for dynamic analysis of jointed structures with contact nonlinearities
Yuan, Jie; El-Haddad, Fadi; Salles, Loïc et al.
2018In Proceedings of the ASME Turbo Expo, 7C
Peer reviewed
 

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Abstract :
[en] This work presents an assessment of classical and state of the art reduced order modelling (ROM) techniques to enhance the computational efficiency for dynamic analysis of jointed structures with local contact nonlinearities. These ROM methods include classical free interface method (Rubin method, MacNeal method), fixed interface method (Craig-Bampton), Dual Craig-Bampton (DCB) method and also recently developed joint interface mode (JIM) and trial vector derivative (TVD) approaches. A finite element jointed beam model is considered as the test case taking into account two different setups: one with a linearized spring joint and the other with a nonlinear macroslip contact friction joint. Using these ROM techniques, the accuracy of dynamic behaviors and their computational expense are compared separately. We also studied the effect of excitation levels, joint region size and number of modes on the performance of these ROM methods.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Yuan, Jie
El-Haddad, Fadi
Salles, Loïc  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M) ; Imperial College London > Mechanical Engineering > Vibration University Technology Center
Wong, Chian
Language :
English
Title :
Numerical assessment of reduced order modeling techniques for dynamic analysis of jointed structures with contact nonlinearities
Publication date :
2018
Event name :
ASME Turbo Expo 2018 Turbomachinery Technical Conference & Exposition
Event organizer :
ASME
Event place :
Oslo, Norway
Event date :
2018
Audience :
International
Journal title :
Proceedings of the ASME Turbo Expo
Volume :
7C
Peer review/Selection committee :
Peer reviewed
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since 06 July 2025

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