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Research on Calculation Methods of Maintenance Intervals for Civil Aircraft Structural Components
Author(s): 
Pages: 34-38+42
Year: Issue:  3
Journal: Aircraft Design

Keyword:  civil aircraftstructural componentsfatigue damagerepeat inspection intervaldelaytime model;
Abstract: Actually determination of repeat intervals of civil aircraft structural components inspection is primarily based upon experience. To improve the present situation,the Delay-time model is introduced to build an inspection interval computation model to achieve the cost effectiveness w ith reliability maintained as required. In a case study of units of civil aircraft skin-fuselage panels,the validity of the model is confirmed by comparison betw een the proposed model and the experience method,w ith the input data simulated by a fatigue damage grow th model. M eanw hile,effect of variation of factors on optimal intervals is investigated.
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