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회전하는 블레이드의 굽힘-비틀림 연성 진동 해석Bending-torsion coupled vibration analysis of rotating blades
- Other Titles
- Bending-torsion coupled vibration analysis of rotating blades
- Issue Date
- Apr-2016
- Publisher
- 한국소음진동공학회
- Keywords
- Bending-Torsion Coupling(굽힘-비틀림 연성); Vibration Analysis(진동 해석); Rotating Pre-twisted Blade(초기 비틀림각을 갖는 회전 블레이드); Hybrid Deformation Variable Modeling(복합 변형변수를 이용한 모델링)
- Citation
- 한국소음진동공학회 2016년도 춘계 학술대회 논문집, pp.340 - 341
- Indexed
- OTHER
- Journal Title
- 한국소음진동공학회 2016년도 춘계 학술대회 논문집
- Start Page
- 340
- End Page
- 341
- Abstract
- This paper presents a new structural dynamic modeling method for the bending-torsion coupled vibration analysis of rotating cantilever blades. The natural frequency variations due to the rotational motion could be accurately estimated with the modeling method. The blade used to induce equations of motion of the system in this study is a uniform and isotropic cantilever beam which has a generic cross-section. The effects due to cross-section eccentricity, therefore, were considered. Furthermore, shear and rotary inertia effects were also considered in this study.
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