With regard to real-world engineering structures, an adjusting mean value called the self-adjusting mean value (SMV) is proposed for improving the efficiency and robustness of a maximum performance target point for evaluating the reliable performance of stiffened aircraft panel. A self-adaptive step size is presented using a merit function by a sufficient criterion, which is determined by using the results of the advanced mean value and the SMV. The abilities of the SMV are compared with several existing reliability methods through two nonlinear structural/mechanical examples. In particular, a practical aircraft panel example is investigated. Furthermore, the influence of self-adaptive parameters in the SMV is discussed on abilities the proposed SMV method for reliability analysis of aircraft panel example. The results demonstrate that the SMV is a robust algorithm for complex structural/mechanical examples, and it is slightly more efficient than the improved versions of reliability methods, which is significant for the reliability assessment of an aerospace structure.
Reliability Analysis of Stiffened Aircraft Panels Using Adjusting Mean Value Method
AIAA Journal ; 58 , 12 ; 5448-5458
2020-09-28
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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