A-basis values (99% probability with a 95% confidence level) and B-basis values (90% probability with a 95% confidence level) of material allowables are used in aerospace structure design. These values are called “one-sided tolerance limits” and are determined from material test data by using inferential statistical methods. Similar design allowables for structures could be determined using conventional statistical methods. Such methods, however, are based on “descriptive statistics”, which do not distinguish between “samples” and “populations”; hence, they require enough samples that can be assumed to be a population. Here, a new method based on inferential statistics has been derived that can estimate A-basis values and B-basis values for structures.
Inferential Statistical Method for Structural Design
AIAA Journal ; 55 , 3 ; 1026-1030
2016-12-28
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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