The paper presents the results of a number of finite-element analyses carried out to support the development of an analytical design procedure for fuselage frames of a transport aircraft. The numerical simulation by means of finite-element method has the aim of developing an adequate sensitivity about the advantages and the limitations of the analytical approach and in quantifying the magnitude of such limitations with respect to more refined design tools. In particular, the final objective is to achieve a deeper insight into some of the design aspects of the frames, such as the influence of realistic load cases and the effects of the frames on the behaviour of the structure in their vicinity. The results indicate that the analytical design method is capable of describing correctly the influence of the frame on the stress state of the structure at a sufficient distance from the frame location, in the simplifying hypothesis of negligible effects of adjacent loaded frames. In the immediate surroundings of the frame and within the frame itself, the analytical method can provide a first approximation of the stress fields.
|Autori:||BONI L; FANTERIA D|
|Titolo:||Finite-element-based assessment of analytical methods for the design of fuselage frames|
|Anno del prodotto:||2006|
|Digital Object Identifier (DOI):||10.1243/09544100JAERO74|
|Appare nelle tipologie:||1.1 Articolo in rivista|