Fatigue crack growth prediction model under variable amplitude loading conditions
Source abstract
Abstract
Crack size prediction under variable amplitude loading is a very complex process, which is also important for life prediction in engineering. A crack growth model considering different stress ratio for fatigue remaining life prediction is proposed in this paper. The model utilizes stress ratio to describe the variable loading sequences, which makes the calculation greatly simplified. The rain-flow method is utilized to characterize the load sequence effects under variable amplitude loading. In addition, particle filter is utilized to estimate the model parameters describing the crack growth. Finally, case study indicates that the proposed approach is efficient in predicting crack growth and fatigue remaining life.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Fatigue and fracture mechanics · Infrastructure Maintenance and Monitoring · Structural Health Monitoring Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
National Engineering Laboratory for Mobile Source Emission Control Technology, China Automotive Technology & Research Center Co., Ltd., Tianjin, China
Institute of Medical Support Technology, Academy of Systems Engineering, Academy of Military Science of PLA, Tianjin, China
Funding
Natural Science Foundation of Hebei Province
References (15)
Show source-provided references
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