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Fatigue-constrained topology optimization using the constrained natural element method

Article dans une revue avec comité de lecture
Author
CHEN, Yanda
ccMONTEIRO, Eric
ccKOUTIRI, Imade
ccFAVIER, Véronique
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/24977
DOI
10.1016/j.cma.2024.116821
Date
2024-02
Journal
Computer Methods in Applied Mechanics and Engineering

Abstract

This research presents a topology optimization framework to achieve volume minimization with multi-axial high cycle fatigue criteria constraints by constrained natural element method. To solve the local minimization problem, the method based on the augmented Lagrangian formula is adopted. Special attention is given to the optimization results based on the stress-invariant fatigue criteria and the critical plane fatigue criteria under different loading conditions, including proportional and non-proportional loading.

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