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Service fatigue life and service calendar life limits of aircraft structure: aircraft structural life envelope

Published online by Cambridge University Press:  19 September 2016

Y. He*
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China
C. Li
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China
T. Zhang
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China
J. Liu
Affiliation:
School of Printing & Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
C. Gao
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China
B. Hou
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China
L. Wu
Affiliation:
Aeronautics and Astronautics Engineering College, Air Force Engineering University, Xi'an, China

Abstract

The service life of aircraft structure includes the fatigue life and calendar life. The Aircraft Structural Life Envelop (ASLE) is a safe and reliable life scope of aircraft structures in service. The specific steps to establish the ASLE are developed, and a residual life prediction method for aircraft structure under service environments is established by combining the ASLE with the Miner theory. Furthermore, a service life extension method of aircraft structure is proposed based on a scope extension of the ASLE, including methods based on reliability analysis and structural repair. Finally, an application example of the ASLE is presented.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 2016 

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