Reference : System-based approaches for structural optimization of flexible mechanisms
Scientific journals : Article
Engineering, computing & technology : Aerospace & aeronautics engineering
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/213368
System-based approaches for structural optimization of flexible mechanisms
English
Tromme, Emmanuel mailto [Toyota Central R&D Labs, Inc. > > > >]
Held, Alexander [Hamburg University of Technology > Institute of Mechanics and Ocean Engineering > > >]
Duysinx, Pierre mailto [Université de Liège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres >]
Bruls, Olivier mailto [Université de Liège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques >]
In press
Archives of Computational Methods in Engineering
International Center for Numerical Methods in Engineering
Yes
International
1134-3060
Barcelona
Spain
[en] Structural optimization ; Flexible multibody dynamics ; Weakly and fully coupled methods
[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.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/213368
10.1007/s11831-017-9215-6

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