Strength reliability analysis of axial-symmetric vectoring exhaust nozzle mechanism considering strength degradation

Quhu Du; Jia Li; Yi Wang; Liyang Xie; Fei Zhao

doi:10.1117/12.2682087

16 June 2023 Strength reliability analysis of axial-symmetric vectoring exhaust nozzle mechanism considering strength degradation

Quhu Du, Jia Li, Yi Wang, Liyang Xie, Fei Zhao

Author Affiliations +

Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 1263937 (2023) https://doi.org/10.1117/12.2682087
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China

Abstract

During the operation of an aero-engine vector nozzle mechanism, the properties of the material itself are subject to change as well as degradation. In this paper, the fatigue and time-dependent failure mechanism and damage evolution law and performance degradation law of mechanism components that may occur in service life cycle under various flight missions are studied, which are of great significance to the mechanism performance degradation law and its uncertainty characterization method. Meanwhile, this paper studies the strength reliability analysis model based on the Monte Carlo method with Latin hypercube improvement under a variety of flight missions, considering the strength degradation of mechanism parts and the dimensional dispersion, and provides some support for the reliability assessment and design of Axial-Symmetric Vectoring Exhaust Nozzle (AVEN) mechanism.

Citation Download Citation

Quhu Du, Jia Li, Yi Wang, Liyang Xie, and Fei Zhao "Strength reliability analysis of axial-symmetric vectoring exhaust nozzle mechanism considering strength degradation", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 1263937 (16 June 2023); https://doi.org/10.1117/12.2682087

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