Modeling and analysis of hybrid bonded-bolted joining in large-scale aircraft assembly

被引：0
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作者：
Eliseev, Artem [1 ]
Lupuleac, Sergey [1 ]
Shinder, Julia [1 ]
Grigor’ev, Boris [1 ]
Khashba, Valeriia [1 ]
机构：
[1] Institute of Physics and Mechanics, Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya, 29, St. Petersburg,195251, Russia
来源：
International Journal of Advanced Manufacturing Technology | 2024年
关键词：
Hybrid bonded-bolted (HBB) joining is common method used in aircraft assembly; particularly for critical junctions such as the wing-to-fuselage joint; to ensure both quality and durability. Accurate simulation of HBB joining presents a significant challenge; as it requires a proper description of the contact interaction of the assembled parts; the flow of adhesive used for bonding; and their mutual influence. In this paper; the process of HBB joining of the upper wing panel and fuselage of a commercial aircraft is simulated. The utilized mathematical model is comprehensive in several ways. Firstly; it covers all the most important physical phenomena determining the intermediate and final result of the assembly process; notably including the two-way fluid-structure interaction and the presence of a free surface in the fluid part. Secondly; the finite element model of the joint has dimensions and level of detail comparable to models used in industrial applications. Finally; the complete sequence of assembly stages is reproduced during the simulation; including the installation of temporary fasteners and their replacement by permanent ones. The paper focuses on investigating the problem of permanent fasteners loosening; a critical issue in aircraft assembly. The state-of-the-art aircraft assembly technologies typically include requirements intended to prevent significant loosening of permanent fasteners by the end of the assembly process. The validity of these requirements is studied using a series of numerical tests with a specially developed simulation tool. Three distinct fastening installation scenarios during the multistage wing-to-fuselage assembly process were considered. The simulation results were analyzed and compared in terms of permanent fastener loosening. © The Author(s); under exclusive licence to Springer-Verlag London Ltd; part of Springer Nature 2024;
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