| Issue |
Int. J. Simul. Multisci. Des. Optim.
Volume 7, 2016
|
|
|---|---|---|
| Article Number | A5 | |
| Number of page(s) | 10 | |
| DOI | https://doi.org/10.1051/smdo/2016006 | |
| Published online | 12 October 2016 | |
Research Article
Optimal fatigue analysis of structures during complex loadings
Laboratoire de Mécanique des Solides, École polytechnique, 91128
Palaiseau Cedex, France
* e-mail: habib.karaouni@safrangroup.com
Received:
23
April
2016
Accepted:
2
September
2016
A new framework for high cycle fatigue analysis of metallic structures under complex multi-parameter loadings was here developed. This allows to reduce the analysis on a 2-D window with a characterized one-parameter cyclic loading thanks to an equivalence rule relative to damage between any two loadings. The simplified inelastic analysis introduced by J. Zarka [J. Zarka et al. 1990. A new approach in inelastic analysis of structures. CADLM] was used to find the limit state of the structure. A new design rules for fatigue analysis by utilizing automatic learning systems was successfully performed. A database was built by coupling numerical simulations and experimental results on several welded specimens which are considered as a general structure in the proposed approach. This could be possible by the introduction of an intelligent description of a general fatigue case based on the actual theories and models. A software, FATPRO [M.I. Systems, FatPro, available at http://www.mzintsys.com/our_products_fatpro.html], based on this work has been developed at MZ Intelligent Systems.
Key words: Fatigue / Machine Learning / Optimal Design / Inelastic analysis / Multi-axial loadings
© H. Karaouni and J. Zarka, Published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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