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논문 기본 정보

자료유형
학술저널
저자정보
Jinhyeong Kim (Seoul National University) Seoryong Park (Seoul National University) Wonjong Eun (Seoul National University) Sangjoon Shin (Seoul National University) Soogab Lee (Seoul National University)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.17 Number.4
발행연도
2016.12
수록면
551 - 564 (14page)

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초록· 키워드

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High-speed flight vehicles (HSFVs) such as space launch vehicles and missiles undergo severe dynamic loads which are generated during the launch and in in-flight environments. A typical vehicle is composed of thin plate skin structures with high-performance electronic units sensitive to such vibratory loads. Such lightweight structures are then exposed to external dynamic loads which consist of random vibration, shock, and acoustic loads created under the operating environment. Three types of dynamic loads (acoustic loads, rocket motor self-induced excitation loads and aerodynamic fluctuating pressure loads) are considered as major components in this study. The estimation results are compared to the design specification (MIL-STD-810) to check the appropriateness. The objective of this paper is to study an estimation methodology which helps to establish design specification for the dynamic loads acting on both vehicle and electronic units at arbitrary locations inside the vehicle.

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Abstract
1. Introduction
2. Dynamic load predictions for a highspeed flight vehicle
3. Analytical method for the high-frequency response
4. Excitation loads acting on the vehicle
5. Development of the present response analysis model
6. Discussion of the predicted structural responses
7. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-558-002009681