Total Fatigue Life Estimation of Aircraft Structural Components Under General Load Spectra

Maksimović, Katarina; Posavljak, Strain; Maksimović, Mirko; Maksimović, I. Vasović; Balac, Martina

doi:10.1007/978-3-030-58362-0_23

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2022

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“…After gathering the data, a filtration must be applied to properly represent loads that could be reenacted on the analyzed structure by means of an experiment (Rodzewicz & Przekop, 2000) or a simulation (Maksimovic et al, 2021). In aircrafts, while some events and resulting accelerations may be treated as random (mainly gusts and landings), flight loads can be assumed as mostly deterministic ("Load Spectra", 2009).…”

Section: Introductionmentioning

confidence: 99%

Automation of Aircraft Fatigue Life Estimation

Gajek

2022

Fatigue of Aircraft Structures

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The fatigue is an important factor in aircraft operation. A correct estimation of structure fatigue life is crucial for user and payload safety. However, due to high amount of data gathered during a typical recording of load spectra for different types of flights, the overall results become prone to human error. The paper describes development of a software able to perform an automated, in-depth analysis of data recorded with onboard accelerometers. Using the Rainflow Cycle Counting method, it transforms received data points into a Markov matrix. The prepared array is then recalculated into a half-cycle matrix, which can be collapsed into scalar value of fatigue level using the Palmgren-Miner rule. The method was tested with loads recorded during a typical flight conducted according to the Polish NSTS-06 flight scenario and simulated camera mounting fixed to a multirotor.

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Section: Introductionmentioning

confidence: 99%

Automation of Aircraft Fatigue Life Estimation

Gajek

2022

Fatigue of Aircraft Structures

View full text Add to dashboard Cite

show abstract

Total Fatigue Life Estimation of Aircraft Structural Components Under General Load Spectra

Cited by 1 publication

References 13 publications

Automation of Aircraft Fatigue Life Estimation

Automation of Aircraft Fatigue Life Estimation

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