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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.24 No.3
- 발행연도
- 2019.1
- 수록면
- 403 - 414 (12page)
이용수
초록· 키워드
오류제보하기
Offshore drilling has become a key process for obtaining oil. Offshore platforms have many applications, including oil exploration and production, navigation, ship loading and unloading, and bridge and causeway support. However, vibration problems caused by severe environmental loads, such as ice, wave, wind, and seismic loads, threaten the functionality of platform facilities and the comfort of workers. These concerns may result in piping failures, unsatisfactory equipment reliability, and safety concerns. Therefore, the vibration control of offshore platforms is essential for assuring structural safety, equipment functionality, and human comfort. In this study, an optimal multiple tuned mass damper (MTMD) system was proposed to mitigate the excessive vibration of a three-dimensional offshore platform under ice and earthquake loadings. The MTMD system was designed to control the first few dominant coupled modes. The optimal placement and system parameters of the MTMD are determined based on controlled modal properties. Numerical simulation results show that the proposed MTMD system can effectively reduce the displacement and acceleration responses of the offshore platform, thus improving safety and serviceability. Moreover, this study proposes an optimal design procedure for the MTMD system to determine the optimal location, moving direction, and system parameters of each unit of the tuned mass damper.
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참고문헌 (43)
참고문헌 신청
Mohamed Abdel-Rohman / 1996 / Structural control of a steel jacket platform / Structural Engineering and Mechanics 4(2):125~138
M. Abé / 1995 / Tuned mass dampers for structures with closely spaced natural frequencies / Earthquake Engineering & Structural Dynamics 24(2):247~261
Alves, R. M. / 1999 / Active/passive control of heave motion for TLP type of offshore platforms / Proceedings of the 9th International Offshore and Polar Engineering Conference (ISOPE)
Aly Mousaad Aly / 2014 / Vibration control of high-rise buildings for wind: a robust passive and active tuned mass damper / Smart Structures and Systems, An International Journal 13(3):473~500
Morten Bjerkås / 2006 / Wavelet transforms and ice actions on structures / Cold Regions Science and Technology 44(2):159~169
M. Abé / 1995 / Tuned mass dampers for structures with closely spaced natural frequencies / Earthquake Engineering & Structural Dynamics 24(2):247~261
Alves, R. M. / 1999 / Active/passive control of heave motion for TLP type of offshore platforms / Proceedings of the 9th International Offshore and Polar Engineering Conference (ISOPE)
Aly Mousaad Aly / 2014 / Vibration control of high-rise buildings for wind: a robust passive and active tuned mass damper / Smart Structures and Systems, An International Journal 13(3):473~500
Morten Bjerkås / 2006 / Wavelet transforms and ice actions on structures / Cold Regions Science and Technology 44(2):159~169
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