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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.6
- 수록면
- 575 - 582 (8page)
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This study presents the vibration excitation system to extract the aerodynamic stability derivatives which is generally called as flutter derivatives in civil engineering. The system consists of the excitation part to give a forced harmonic motion to the model and the sensing part to measure the aerodynamic forces as well as inertia forces acting on a bridge model. A data processing algorithm for extracting the flutter derivatives from the measured forces is also presented. From the wind tunnel tests, verification of present system was done by comparing the measured and analytical results for rectangular shaped model. The effects of excitation frequencies and amplitudes on flutter derivatives are discussed. Five kinds of actual bridge model were presented from the wind tunnel.
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참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - Scanlan, R. H. / 1971 / Airfoil and Bridge Deck Flutter Derivatives / J. of Engineering Mechanics, ASCE 97 (6) : 1717 ~ 1733
2. [학술지(정기간행물)] - Yamada, H. / 1992 / Measurement of Aerodynamic Parameters by Extended Kalman Filter Algorithm / J. of Wind Engineering & Industrial Aerodynamics 42 : 1255 ~ 1263
3. [학술지(정기간행물)] - Sarkar, P. P. / 1994 / Identification of Aeroelastic Parameters of Flexible Bridges / J. of Engineering Mechanics, ASCE 120 (8) : 1718 ~ 1741
4. [학술지(정기간행물)] - Gu, M. / 2000 / Identification of Flutter Derivatives of Bridge Decks / J. of Wind Engineering & Industrial Aerodynamics 84 : 151 ~ 162
5. [학술대회논문] - Kwon, S. D. / 2002 / Extraction of Unsteady Aerodynamic Forces Using Neural Network / Proceedings of annual conference on Wind Engineering Institute of Korea : 153 ~ 157
2. [학술지(정기간행물)] - Yamada, H. / 1992 / Measurement of Aerodynamic Parameters by Extended Kalman Filter Algorithm / J. of Wind Engineering & Industrial Aerodynamics 42 : 1255 ~ 1263
3. [학술지(정기간행물)] - Sarkar, P. P. / 1994 / Identification of Aeroelastic Parameters of Flexible Bridges / J. of Engineering Mechanics, ASCE 120 (8) : 1718 ~ 1741
4. [학술지(정기간행물)] - Gu, M. / 2000 / Identification of Flutter Derivatives of Bridge Decks / J. of Wind Engineering & Industrial Aerodynamics 84 : 151 ~ 162
5. [학술대회논문] - Kwon, S. D. / 2002 / Extraction of Unsteady Aerodynamic Forces Using Neural Network / Proceedings of annual conference on Wind Engineering Institute of Korea : 153 ~ 157
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