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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.6
- 발행연도
- 2019.1
- 수록면
- 747 - 762 (16page)
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Based on the ball-screw mechanism, a tuned viscous mass damper (TVMD) has been proposed, which has functions of amplifying physical mass of the system and frequency tuning. Considering the sensitivity of a single TVMD’s effectiveness to frequency mistuning like that of the conventional tuned mass damper (TMD) and according to the concept of the conventional multiple tuned mass damper (MTMD), in the present paper, multiple tuned mass viscous dampers (MTVMD) consisting of many tuned mass dampers (TVMD) with a uniform distribution of natural frequencies are considered for attenuating undesirable vibration of a structure. The MTVMD is manufactured by keeping the stiffness and damping constant and varying the mass associated with the lead of the ball-screw type inerter element in the damper. The structure is represented by its mode-generalized system in a specific vibration mode controlled using the mode reduced-order method. Modal properties and fundamental characteristics of the MTVMD-structure system are investigated analytically with the parameters, i.e., the frequency band, the average damping ratio, the tuning frequency ratio, the total number of TVMD and the total mass ratio. It is found that there exists an optimum set of the parameters that makes the frequency response curve of the structure flattened with smaller amplitudes in a wider input frequency range. The effectiveness and robustness of the MTVMD are also discussed in comparison with those of the usual single TVMD (STVMD) and the results shows that the MTVMD is more effective and robust with the same level of total mass.
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참고문헌 (34)
참고문헌 신청
Masato Abé / 1994 / Dynamic characterization of multiple tuned mass dampers and some design formulas / Earthquake Engineering & Structural Dynamics 23(8):813~835
Michael Z.Q. Chen / 2014 / Influence of inerter on natural frequencies of vibration systems / Journal of Sound and Vibration 333(7):1874~1887
Michael Chen / 2009 / The missing mechanical circuit element / IEEE Circuits and Systems Magazine 9(1):10~26
Huating Chen / 2017 / Response spectrum analysis considering non-classical damping in the base-isolated benchmark building / Structural Engineering and Mechanics, An Int＇l Journal 64(4):473~485
Den Hartog, J. P. / 1985 / Mechanical Vibrations
Michael Z.Q. Chen / 2014 / Influence of inerter on natural frequencies of vibration systems / Journal of Sound and Vibration 333(7):1874~1887
Michael Chen / 2009 / The missing mechanical circuit element / IEEE Circuits and Systems Magazine 9(1):10~26
Huating Chen / 2017 / Response spectrum analysis considering non-classical damping in the base-isolated benchmark building / Structural Engineering and Mechanics, An Int＇l Journal 64(4):473~485
Den Hartog, J. P. / 1985 / Mechanical Vibrations
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