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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.21 No.6
- 발행연도
- 2018.1
- 수록면
- 727 - 740 (14page)
이용수
초록· 키워드
오류제보하기
Tuned mass dampers (TMDs) are passive damping devices widely employed to mitigate the pedestrian-induced vibrations on footbridges. The TMD design must ensure an adequate performance during the overall life-cycle of the structure. Although the TMD is initially adjusted to match the natural frequency of the vibration mode which needs to be controlled, its design must further take into account the change of the modal parameters of the footbridge due to the modification of the operational and environmental conditions. For this purpose, a motion-based design optimization method is proposed and implemented herein, aimed at ensuring the adequate behavior of footbridges under uncertainty conditions. The uncertainty associated with the variation of such modal parameters is simulated by a probabilistic approach based on the results of previous research reported in literature. The pedestrian action is modelled according to the recommendations of the Synpex guidelines. A comparison among the TMD parameters obtained considering different design criteria, design requirements and uncertainty levels is performed. To illustrate the proposed approach, a benchmark footbridge is considered. Results show both which is the most adequate design criterion to control the pedestrian-induced vibrations on the footbridge and the influence of the design requirements and the uncertainty level in the final TMD design.
목차
등록된 정보가 없습니다.
참고문헌 (41)
참고문헌 신청
Arora, J.S. / 2007 / Optimization of Structural and Mechanical Systems / World Scientific Publishing Co. Pte. Ltd
Ansys / 2017 / Mechanical Release
Asami, T. / 2002 / Analytical solutions to $H{\infty}$ and H2 optimization of dynamic vibration absorbers attached to damped linear systems / J. Vib. Acoust. 124(2):284~295
Bekdas, G. / 2011 / Estimating optimum parameters of tuned mass dampers using harmony search / Eng. Struct. 33(9):2716~2723
Daniele Bortoluzzi / 2015 / Design of a TMD solution to mitigate wind-induced local vibrations in an existing timber footbridge / Smart Structures and Systems, An International Journal 16(3):459~478
Ansys / 2017 / Mechanical Release
Asami, T. / 2002 / Analytical solutions to
Bekdas, G. / 2011 / Estimating optimum parameters of tuned mass dampers using harmony search / Eng. Struct. 33(9):2716~2723
Daniele Bortoluzzi / 2015 / Design of a TMD solution to mitigate wind-induced local vibrations in an existing timber footbridge / Smart Structures and Systems, An International Journal 16(3):459~478
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