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 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.55 No.4
- 발행연도
- 2015.1
- 수록면
- 687 - 702 (16page)
이용수
초록· 키워드
오류제보하기
A method based on derivatives of eigen-parameters is presented for damage detection in discrete systems with dampers. The damage is simulated by decrease on the stiffness coefficient and increase of the damping coefficient. In the forward analysis, the derivatives of eigen-parameters are derived for the discrete system. In the inverse analysis, a derivative of eigen-parameters based model updating approach is used to identify damages in frequency domain. Two numerical examples are investigated to illustrate efficiency and accuracy of the proposed method. Studies in this paper indicate that the proposed method is efficient and robust for both single and multiple damages and is insensitive to measurement noise. And satisfactory identified results can be obtained from few numbers of iterations.
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Cawley, P. / 1979 / The location of defects in structures from measurements of natural frequencies / J. Strain Anal. Eng. Des 14(2):49~57
Di, W. / 2007 / Eigen-parameter decomposition of element matrices for structural damage detection / Eng. Struct 29(4):519~528
Dilena, M. / 2006 / Damage detection in discrete vibrating systems / J. Sound Vib 289(4):830~850
Friswell, M. / 1995 / Finite element model updating in structural dynamics / Springer Science and Business Media
Hansen, P. C. / 1992 / Analysis of discrete ill-posed problems by means of the L-curve / SIAM Rev 34(4):561~580
Di, W. / 2007 / Eigen-parameter decomposition of element matrices for structural damage detection / Eng. Struct 29(4):519~528
Dilena, M. / 2006 / Damage detection in discrete vibrating systems / J. Sound Vib 289(4):830~850
Friswell, M. / 1995 / Finite element model updating in structural dynamics / Springer Science and Business Media
Hansen, P. C. / 1992 / Analysis of discrete ill-posed problems by means of the L-curve / SIAM Rev 34(4):561~580
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