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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.25 No.6
- 발행연도
- 2020.1
- 수록면
- 657 - 668 (12page)
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초록· 키워드
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A novel multistage approach is developed for structural model updating based on sensitivity ranking of the selected updating parameters. Modal energy-based sensitivities are formulated, and maximum-normalized indices are designed for sensitivity ranking. Based on the ranking strategy, a multistage approach is proposed, where these parameters to be corrected with similar sensitivity levels are updated simultaneously at the same stage, and the complete procedure continues sequentially at several stages, from large to small, according to the predefined levels of the updating parameters. At every single stage, a previously developed cross model cross mode (CMCM) method is used for structural model updating. The effectiveness and robustness of the multistage approach are investigated by implementing it on an offshore structure, and the performances are compared with nonmultistage approach using numerical and experimental vibration information. These results demonstrate that the multistage approach is more effective for structural model updating of offshore platform structures even with limited information and measured noise. These findings serve as a preliminary strategy for structural model updating of an offshore platform in service.
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참고문헌 (33)
참고문헌 신청
M. R. Banan / 1994 / Parameter Estimation of Structures from Static Response. I. Computational Aspects / Journal of Structural Engineering 120(11):3243~3258
Alemdar Bayraktar / 2010 / Finite element model updating of Kömürhan highway bridge based on experimental measurements / Smart Structures and Systems, An International Journal 6(4):373~388
L. Cheng / 2009 / Optimized finite element model updating method for damage detection using limited sensor information / Smart Structures and Systems, An International Journal 5(6):681~697
Truong Thanh Chung / 2012 / Finite element model updating of Canton Tower using regularization technique / Smart Structures and Systems, An International Journal 10(5):459~470
S. W. Doebling / 1998 / A Summary Review of Vibration-Based Damage Identification Methods / The Shock and Vibration Digest 30(2):91~105
Alemdar Bayraktar / 2010 / Finite element model updating of Kömürhan highway bridge based on experimental measurements / Smart Structures and Systems, An International Journal 6(4):373~388
L. Cheng / 2009 / Optimized finite element model updating method for damage detection using limited sensor information / Smart Structures and Systems, An International Journal 5(6):681~697
Truong Thanh Chung / 2012 / Finite element model updating of Canton Tower using regularization technique / Smart Structures and Systems, An International Journal 10(5):459~470
S. W. Doebling / 1998 / A Summary Review of Vibration-Based Damage Identification Methods / The Shock and Vibration Digest 30(2):91~105
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