Computational modeling of aircraft lugs failure under fatigue loading
In: International Journal of Fatigue, Jg. 114 (2018-09-01), S. 252-261
Online
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Zugriff:
In the present paper, a computational model of failure is developed to assess the fatigue behaviour of damaged aircraft lugs. In such a fracture mechanics-based analytical/numerical research work, the residual strength of lugs with either a through-the-thickness crack or a quarter-elliptical corner crack is estimated, and then, through the experimental observations found in the literature, some applications are discussed. A stress field of pin-loaded linkage is numerically analyzed by using the finite element method. The failure resistance of lugs is quantified through the Huang-Moan crack growth concept in terms of fatigue life and crack path. The relevant crack driving forces are examined through a new analytical model, taking into account the effect of a lug head and the width-to-diameter ratio effect.
Titel: |
Computational modeling of aircraft lugs failure under fatigue loading
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Autor/in / Beteiligte Person: | Boljanović, Slobodanka |
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Zeitschrift: | International Journal of Fatigue, Jg. 114 (2018-09-01), S. 252-261 |
Veröffentlichung: | Elsevier BV, 2018 |
Medientyp: | unknown |
ISSN: | 0142-1123 (print) |
DOI: | 10.1016/j.ijfatigue.2018.05.022 |
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