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Abstract
Simplified methods for elasto-plastic calculations are a cost and time savings solution to obtain mechanical state at the notch tip. The Adjustable Localization Operator (ALO) method has been proven to be a robust and inherently multiaxial method. This study aims to propose an alternative strategy for identifying its parameters. The principal idea is to consider the shape of the confined plastic zone in order to adapt the various parameters of the adjustable localization operator. The proposed approach has been validated on notched structures with plane strain assumption as well as on a new design structure for multiaxial proportional and non-proportional loadings. The results obtained have shown the interest of considering the shape of the confined plastic.
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