2023
DOI: 10.3221/igf-esis.64.17
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Optimization of S-N curve fitting based on neighborhood rough set reduction with improved firefly algorithm

Abstract: S-N curve fatigue samples of titanium alloy welded joints have such a comparatively significant scatter, that results in the issue that the fatigue life prediction accuracy is not optimal. In this work, the titanium alloy welded joints' fatigue data is used as analysis data, and the neighborhood rough set reduction with improved firefly algorithm efficient method of fitting stress-life curves is set forth. The welded joint's fatigue decision system is built with fatigue data. The continuous iteration of the fi… Show more

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