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http://dx.doi.org/10.20910/JASE.2021.15.5.106

Structural Analysis for Newly Installed Blade Antenna of Rotorcraft  

Yu, Jeong-O (Koreanair R&D Center)
Kim, Jae-Yong (Koreanair R&D Center)
Choi, Hang-Suk (Koreanair R&D Center)
Publication Information
Journal of Aerospace System Engineering / v.15, no.5, 2021 , pp. 106-112 More about this Journal
Abstract
In this study, we performed a design and structural analysis of a blade-shaped antenna installation on the rear fuselage of a rotary wing aircraft operated by the military. When the structure is damaged while the aircraft is in operation, it is separated from the aircraft main structure and may collide with the rotor or blades to cause the aircraft to crash. Therefore, structural safety for the modified structure must be secured. The design requirement for the newly installed modified part were established, and the load condition was constructed by applying the load that may occur in the aircraft after the modification. Structure safety for the modified structure was secured by performing structure analysis. To analysis stress and deformation of aircraft structure, we developed finite element model and verified it by using hand calculation method. We confirmed the safety of the modified structure through the final structural integrity analysis.
Keywords
Blade Antenna Installation; Aging Aircraft; Structural Analysis; Finite Element Analysis; Aircraft Modification;
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