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논문 기본 정보

자료유형
학술저널
저자정보
Kyu Beom Lee (Inha University) Seon Ho Jeong (Inha University) Jin Yeon Cho (Inha University) Jeong Ho Kim (Inha University) Chan Yik Park (Agency for Defense Development)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.16 Number.3
발행연도
2015.9
수록면
394 - 406 (13page)

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초록· 키워드

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In this work, an efficient aircraft landing simulation strategy is proposed to develop an efficient and reliable hard-landing monitoring procedure. Landing stage is the most dangerous moment during operation cycle of aircraft and it may cause structural damage when hard-landing occurs. Therefore, the occurrence of hard-landing should be reported accurately to guarantee the structural integrity of aircraft. In order to accurately determine whether hard-landing occurs or not from given landing conditions, full nonlinear structural dynamic simulation can be performed, but this approach is highly timeconsuming. Thus, a more efficient approach for aircraft landing simulation which uses a hierarchical aircraft landing model and an extended inertia relief technique is proposed. The proposed aircraft landing model is composed of a multi-body dynamics model equipped with landing gear and tire models to extract the impact force and inertia force at touch-down and a linear dynamic structural model with an extended inertia relief method to analyze the structural response subject to the prescribed rigid body motion and the forces extracted from the multi-body dynamics model. The numerical examples show the efficiency and practical advantages of the proposed landing model as an essential component of aircraft hard-landing monitoring procedure.

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Abstract
1. Introduction
2. MBD Model for Landing Simulation
3. Finite Element Modeling for Structural Analysis
4. Simulation of Aircraft Landing
5. Conclusion
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