Journal
INTERNATIONAL JOURNAL OF STRUCTURAL INTEGRITY
Volume 13, Issue 3, Pages 349-393Publisher
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/IJSI-03-2022-0025
Keywords
Random; variable amplitude fatigue; Multiaxial fatigue; Critical plane; Life evaluation
Categories
Funding
- National Natural Science Foundation of China [11972110]
- Sichuan Science and Technology Program [2022JDJQ0024]
- Guangdong Basic and Applied Basic Research Foundation [2021B1515140030]
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This study aims to effectively evaluate the multiaxial random/variable amplitude fatigue life. Recent studies on the critical plane method under multiaxial random/variable amplitude loading are reviewed and the computational framework is clearly presented in this paper.
Purpose Engineering components/structures with geometric discontinuities normally bear complex and variable loads, which lead to a multiaxial and random/variable amplitude stress/strain state. Hence, this study aims how to effectively evaluate the multiaxial random/variable amplitude fatigue life. Design/methodology/approach Recent studies on critical plane method under multiaxial random/variable amplitude loading are reviewed, and the computational framework is clearly presented in this paper. Findings Some basic concepts and latest achievements in multiaxial random/variable amplitude fatigue analysis are introduced. This review summarizes the research status of four main aspects of multiaxial fatigue under random/variable amplitude loadings, namely multiaxial fatigue criterion, method for critical plane determination, cycle counting method and damage accumulation criterion. Particularly, the latest achievements of multiaxial random/variable amplitude fatigue using critical plane methods are classified and highlighted. Originality/value This review attempts to provide references for further research on multiaxial random/variable amplitude fatigue and to promote the development of multiaxial fatigue from experimental research to practical engineering application.
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