Article (Scientific journals)
System-based approaches for structural optimization of flexible mechanisms
Tromme, Emmanuel; Held, Alexander; Duysinx, Pierre et al.
2018In Archives of Computational Methods in Engineering, 25 (817-844)
Peer reviewed
 

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Keywords :
Structural optimization; Flexible multibody dynamics; Weakly and fully coupled methods
Abstract :
[en] This paper reviews the state-of-the-art methods to perform structural optimization of flexible mechanisms. These methods are based on a system-based approach, i.e. the formulation of the design problem incorporates the time response of the mechanism that is obtained from a dynamic simulation of the flexible multibody system. The system-based approach aims at considering as precisely as possible the effects of nonlinear dynamic loading under various operating conditions. Also, the optimization process enhances most existing studies which are limited to (quasi-) static or frequency domain loading conditions. This paper briefly introduces flexible multibody system dynamics and structural optimization techniques. Afterwards, the two main methods, named the weakly and the fully coupled methods, that couple both disciplines are presented in details and the influence of the multibody system formalism is analyzed. The advantages and drawbacks of both methods are discussed and future possible research areas are mentioned.
Disciplines :
Mechanical engineering
Aerospace & aeronautics engineering
Author, co-author :
Tromme, Emmanuel;  Toyota Central R&D Labs, Inc.
Held, Alexander;  Hamburg University of Technology > Institute of Mechanics and Ocean Engineering
Duysinx, Pierre  ;  Université de Liège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Bruls, Olivier  ;  Université de Liège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Language :
English
Title :
System-based approaches for structural optimization of flexible mechanisms
Publication date :
2018
Journal title :
Archives of Computational Methods in Engineering
ISSN :
1134-3060
Publisher :
International Center for Numerical Methods in Engineering, Barcelona, Spain
Volume :
25
Issue :
817-844
Peer reviewed :
Peer reviewed
Available on ORBi :
since 03 August 2017

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