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논문 기본 정보

자료유형
학술저널
저자정보
Chen Bai (Beihang University) Luo Mingqiang (Beihang University) Shen Zhong (China Academy of Launch Vehicle Technology) Wu Zhe (Beihang University) Man Yiming (China Academy of Launch Vehicle Technology) Fang Lei (China Academy of Launch Vehicle Technology)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.15 Number.4
발행연도
2014.12
수록면
383 - 395 (13page)

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초록· 키워드

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According to the requirement of wing weight estimation and frequent adjustments during aircraft conceptual design, a wing weight estimation method considering the constraints of structural strength and stiffness is proposed to help designers make wing weight estimations rapidly and accurately. This method implements weight predictions on the basis of structure weight optimization with stiffness constraints and strength constraints, which include achievement of wing shape parametric modeling, rapid structure layout, finite element (FE) model automated generation, load calculation, structure analysis, weight optimization, and weight computed based on modeling. A software tool is developed with this wing weight estimation method. This software can realize the whole process of wing weight estimation with the method and the workload of wing weight estimation is reduced because much of the work can be completed by the software. Finally, an example is given to illustrate that this weight estimation method is effective.

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Abstract
1. Introduction
2. Overall Idea
3. Parameterized Modeling of Wing Shape Surface
4. Wing Structure Rapid Layout and FE Model Automated Generation
5. Weight Calculation Based on Modeling
6. Automatic Load Calculation
7. Wing Weight Optimization with the Constraints of Strength and Rigidity
8. Example
9. Conclusions
References

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