A New Model for Predicting the Fatigue Life of Aircraft Hydraulic Pipes
Author Information
Author(s): Wang Yantian, Qiu Yuanying, Li Jing, Bai Jin, Wang Yan
Primary Institution: School of Mechatronic Engineering, Xidian University
Hypothesis
Can a modified multiaxial fatigue model improve the prediction of fatigue life for aircraft hydraulic pipes?
Conclusion
The modified multiaxial fatigue model (MWYT) provides better predictions for the fatigue life of aircraft hydraulic pipes compared to previous models.
Supporting Evidence
- The MWYT model showed better prediction accuracy for various materials compared to the SDG and WYT models.
- Experimental results confirmed that the pipe structure does not fail under the tested loading conditions.
- The predicted fatigue lives of the hydraulic pipe structure meet the design requirements for military aircraft.
Takeaway
This study created a new way to predict how long aircraft hydraulic pipes will last before they break, and it works better than older methods.
Methodology
The study involved creating a new fatigue model and testing it against experimental data from various materials.
Limitations
The study does not provide detailed data for the hydraulic pipe due to confidentiality reasons.
Digital Object Identifier (DOI)
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