초기 비틀림 형상과 단면 테이퍼를 갖는 경사기능재 빔의 굽힘 진동Bending vibration of functionally graded beams with pre-twisted shape and tapered cross-section
- Other Titles
- Bending vibration of functionally graded beams with pre-twisted shape and tapered cross-section
- Authors
- 오유택; 유홍희
- Issue Date
- Nov-2014
- Publisher
- 대한기계학회
- Keywords
- Bending vibration (굽힘 진동); Pre-twist angle (초기 비틀림 각); Tapered cross-section (테이퍼 단면); Functionally graded material (경사기능재료); Natural frequency (고유진동수)
- Citation
- 대한기계학회 2014년도 추계학술대회, pp.422 - 424
- Indexed
- OTHER
- Journal Title
- 대한기계학회 2014년도 추계학술대회
- Start Page
- 422
- End Page
- 424
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/158602
- Abstract
- Vibration analysis of a functionally graded beam with pre-twisted shape and tapered cross-section is studied in this paper. The beam has a rectangular cross-section and is mounted on a rotating rigid hub. Functionally graded material (FGM) properties are considered along the height direction of the beam according to the power-law form. The pre-twist angle and tapered cross-section area increase or decrease linearly along the length direction of the beam. The equations of stretching and bending motion are derived by Kane’s method employing hybrid deformation variables. To validate the derived equations, natural frequencies of an FG beam are compared to those obtained by a commercial software ANSYS. The effects of the pre-twisted angle, taper ratio, hub radius, volume fraction exponent, and angular speed on the vibration characteristics of the system are investigated with the proposed model.
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