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http://hdl.handle.net/20.500.12188/8318| Title: | FATIGUE LIFE ANALYSIS OF THE INTEGRAL SKIN-STRINGER PANEL USING XFEM | Authors: | Abulgasem Sghayer, Aleksandar Grbović, Aleksandar Sedmak, Mirko Dinulović, Elisaveta Doncheva, Blagoj Petrovski | Keywords: | integral skin-stringer structures • XFEM • stress intensity factor (SIF) • crack propagation modelling | Issue Date: | 28-Feb-2017 | Publisher: | Structural integrity and life | Journal: | Structutral integrity and life | Series/Report no.: | ;17 | Abstract: | Fatigue life of integral skin-stringer panels produced by laser beam welding (LBW) is analyzed. This type of panel is used in airframe construction where fatigue and damage tolerance are of paramount importance, since aircrafts must be designed to tolerate relatively large fatigue cracks. The analyzed integral skin-stringer panel is made of AL-AA 6156T6/2.8 mm, where stringers are laser beam welded to the airframe skin. By using the extended finite element method (XFEM), fatigue life of simple flat plate, as well of the skin-stringer panel, are numerically simulated in order to investigate the effect of stringers. | URI: | http://hdl.handle.net/20.500.12188/8318 |
| Appears in Collections: | Faculty of Mechanical Engineering: Journal Articles |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 007-IVK1-2017-AS-AG-AS-MD-ED-BP -2017.pdf | 542.33 kB | Adobe PDF |  View/Open |
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