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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.23 No.1
- 발행연도
- 2019.1
- 수록면
- 45 - 60 (16page)
이용수
초록· 키워드
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This paper is devoted to proposing a new approach for damage detection of structures. In this technique, the biconjugate gradient method (BCG) is employed. To remedy the noise effects, a new preconditioning algorithm is applied. The proposed preconditioner matrix significantly reduces the condition number of the system. Moreover, based on the characteristics of the damage vector, a new direct search algorithm is employed to increase the efficiency of the suggested damage detection scheme by reducing the number of unknowns. To corroborate the high efficiency and capability of the presented strategy, it is applied for estimating the severity and location of damage in the well-known 31-member and 52-member trusses. For damage detection of these trusses, the time history responses are measured by a limited number of sensors. The results of numerical examples reveal high accuracy and robustness of the proposed method.
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참고문헌 (31)
참고문헌 신청
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
S. W. Doebling / 1998 / A Summary Review of Vibration-Based Damage Identification Methods / The Shock and Vibration Digest 30(2):91~105
Alireza Entezami / 2014 / Damage detection in structural systems by improved sensitivity of modal strain energy and Tikhonov regularization method / International Journal of Dynamics and Control 2(4):509~520
Entezami, A. / 2014 / Damage localization in shear buildings by direct updating of physical properties / Int. J. Adv. Struct. Eng 6(2):1~12
Entezami, A. / 2015 / New sensitivity-based methods for structural damage diagnosis by least square minimal residual techniques / Iran. J. Sci. Technol. -T. Civil Eng 39(2):231~251
S. W. Doebling / 1998 / A Summary Review of Vibration-Based Damage Identification Methods / The Shock and Vibration Digest 30(2):91~105
Alireza Entezami / 2014 / Damage detection in structural systems by improved sensitivity of modal strain energy and Tikhonov regularization method / International Journal of Dynamics and Control 2(4):509~520
Entezami, A. / 2014 / Damage localization in shear buildings by direct updating of physical properties / Int. J. Adv. Struct. Eng 6(2):1~12
Entezami, A. / 2015 / New sensitivity-based methods for structural damage diagnosis by least square minimal residual techniques / Iran. J. Sci. Technol. -T. Civil Eng 39(2):231~251
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