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자료유형
학술저널
저자정보
Hyunbum Park (Howon University)
저널정보
항공우주시스템공학회 International Journal of Aerospace System Engineering International Journal of Aerospace System Engineering Vol.6, No.1
발행연도
2019.6
수록면
1 - 7 (7page)

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초록· 키워드

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In the present study, structural safety and stability on the main wing and tail planes of the 1.2 ton WIG(Wing in Ground Effect) flight vehicle, which will be a high speed maritime transportation system for the next generation, was performed. The carbon-epoxy composite material was used in design of wing structure. The skin spar with skin stressed structural type was adopted for improvement of lightness and structural stability. As a design procedure for this study, the design load was estimated with maximum flight load. From static strength analysis results using finite element method of the commercial codes. From the stress analysis results of the main wing, it was confirmed that the upper skin structure between the second rib and the third rib was unstable for the buckling load. Therefore in order to solve this problem, three stiffeners at the buckled region were added. After design modification, even though the weight of the wing was a little bit heavier than the target weight, the structural safety and stability was satisfied for design requirements.

목차

Abstract
1. Introduction
2. Structural Design and Analysis Concept
3. Design Load and Structural Design
4. Structural Analysis Results and Design Modification
5. Conclusions
References

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