Article (Scientific journals)
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.
2019In Journal of Engineering for Gas Turbines and Power, 141 (3)
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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) ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Vibration of Turbomachines ; 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 :
2019
Journal title :
Journal of Engineering for Gas Turbines and Power
ISSN :
0742-4795
eISSN :
1528-8919
Volume :
141
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 July 2025

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