지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.22 No.6
- 발행연도
- 2018.1
- 수록면
- 727 - 741 (15page)
이용수
초록· 키워드
오류제보하기
To mitigate vibrations, tuned mass dampers (TMD) are widely used for long span bridges or high-rise buildings. Due to some durability concerns, such as fluid degradation, oil leakage, etc., the alternative solutions, such as the non-contacted eddy current damping (ECD), are proposed for mechanical devices in small scales. In the present study, a new eddy current damping TMD (ECD-TMD) is proposed and developed for large scale civil infrastructure applications. Starting from parametric study on finite element analysis of the ECD-TMD, the new design is enhanced via using the permanent magnets to eliminate the power need and a combination of a copper plate and a steel plate to improve the energy dissipation efficiency. Additional special design includes installation of two permanent magnets at the same side above the copper plate to easily adjust the gap as well as the damping. In a case study, the proposed ECD-TMD is demonstrated in the application of a steel arch bridge to mitigate the wind-induced vibrations of the flexible hangers. After a brief introduction of the configuration and the installation process for the damper, the mitigation effects are measured for the ambient vibration and forced vibration scenarios. The results show that the damping ratios increase to 3% for the weak axis after the installation of the ECD-TMDs and the maximum vibration amplitudes can be reduced by 60%.
목차
등록된 정보가 없습니다.
참고문헌 (50)
참고문헌 신청
Mohsen Amjadian / 2017 / A passive electromagnetic eddy current friction damper (PEMECFD): Theoretical and analytical modeling / Structural Control and Health Monitoring 24(10):e1978
Amjadian, M. / 2018 / Modeling, design, and testing of a proof-of-concept prototype damper with friction and eddy current damping effects / J. Sound Vib 413:225~249
Anantha Krishna, G. L. / 2018 / Experimental investigation of influence of various parameters on permanent magnet eddy current braking system / Materials Today: Proceedings 5:2575~2581
Bae, J. S. / 2014 / Vibration suppression of a large beam structure using tuned mass damper and eddy current damping / Shock Vib
배재성 / 2009 / Modeling and experiments on eddy current damping caused by a permanent magnet in a conductive tube / Journal of Mechanical Science and Technology 23(11):3024~3035
Amjadian, M. / 2018 / Modeling, design, and testing of a proof-of-concept prototype damper with friction and eddy current damping effects / J. Sound Vib 413:225~249
Anantha Krishna, G. L. / 2018 / Experimental investigation of influence of various parameters on permanent magnet eddy current braking system / Materials Today: Proceedings 5:2575~2581
Bae, J. S. / 2014 / Vibration suppression of a large beam structure using tuned mass damper and eddy current damping / Shock Vib
배재성 / 2009 / Modeling and experiments on eddy current damping caused by a permanent magnet in a conductive tube / Journal of Mechanical Science and Technology 23(11):3024~3035
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