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Stress-based topology optimization with fatigue failure constraints
Collet, Maxime; Bruggi, Matteo; Bauduin, Simon et al.
2015In Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing
 

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Keywords :
stress-based topology optimization; fatigue criteria
Abstract :
[en] This paper shows how the design of a structure can evolve when considering a stressbased topology optimization along with fatigue failure constraints. More precisely, fatigue failure is added in a stress-based topology optimization Matlab code by following the approach of the design of machine elements, i.e. based on S-N curves or fatigue criteria. The fatigue is introduced through weel-known criteria for high-cycle fatigue such as the Sines and Crossland criteria. The paper presents how these criteria can be formulated for a topology optimization problem. Numerical results for both criteria are successively compared and discussed. The character of fatigue failure in the optimization procedure is illustrated as well as some issues that have to be improved in future work.
Disciplines :
Mechanical engineering
Author, co-author :
Collet, Maxime ;  Université de Liège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Bruggi, Matteo
Bauduin, Simon ;  Université de Liège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Duysinx, Pierre  ;  Université de Liège > Département d'aérospatiale et mécanique > Ingénierie des véhicules terrestres
Language :
English
Title :
Stress-based topology optimization with fatigue failure constraints
Publication date :
2015
Event name :
The 15th International Conference on Civil, Structural and Environmental Engineering Computing
Event organizer :
civil-comp press
Event place :
Prague, Czechia
Event date :
du 1 septembre 2015 au 4 septembre 2015
Audience :
International
Main work title :
Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing
Name of the research project :
Contributions to topology optimization of structural components made by additive manufacturing - PhD thesis
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
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