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A 2-step methodology for the generation of accurate FE models of nonlinear systems,
Kerschen, Gaëtan; Golinval, Jean-Claude
2004In ASME Internaional Mechanical Engineering Congress, Anaheim, 2004
Peer reviewed
 

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Keywords :
METHODOLOGY; FINITE ELEMENT MODELS; NONLINEAR MECHANICAL SYSTEMS; vibration systems
Abstract :
[en] Model updating and validation is currently a central issue in the fields of computational structural mechanics and dynamics. The vast majority of applications however concerns linear structures. On the other hand, updating nonlinear models is something the structural dynamicist prefers to avoid mainly because tools such as modal analysis are no longer available. The objective of the present study is to propose a two-step methodology for dealing with nonlinear systems. Its most appealing feature is that it decouples the estimation of the linear and nonlinear parameters. A numerical application consisting of an aeroplane-like structure is used to assess the efficiency of the procedure.
Disciplines :
Mathematics
Mechanical engineering
Computer science
Physics
Author, co-author :
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Golinval, Jean-Claude  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Language :
English
Title :
A 2-step methodology for the generation of accurate FE models of nonlinear systems,
Publication date :
November 2004
Event name :
ASME Internaional Mechanical Engineering Congress
Event place :
Anaheim, United States
Event date :
November 13-19, 2004
Audience :
International
Main work title :
ASME Internaional Mechanical Engineering Congress, Anaheim, 2004
Peer reviewed :
Peer reviewed
Available on ORBi :
since 10 August 2009

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