지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.53 No.4
- 발행연도
- 2015.1
- 수록면
- 725 - 744 (20page)
이용수
초록· 키워드
오류제보하기
In this paper, a new damage indicator based on mode shape data is introduced to identify damage in beam structures. In order to construct the indicator proposed, the mode shape, mode shape slope and mode shape curvature of a beam before and after damage are utilized. Mode shape data of the beam are first obtained here using a finite element modeling and then the slope and curvature of mode shape are evaluated via the central finite difference method. In order to assess the robustness of the proposed indicator, two test examples including a simply supported beam and a two-span beam are considered. Numerical results demonstrate that using the proposed indicator, the location of single and multiple damage cases having different characteristics can be accurately determined. Moreover, the indicator shows a better performance when compared with a well-known indicator found in the literature.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Abdo, M.A.B. / 2002 / A numerical study of structural damage detection using changes in the rotation of mode shapes / J. Sound Vib 251(2):227~239
Abdel Wahab, M.M. / 1999 / Damage detection in bridges using modal curvatures:application to a real damage scenario / J. Sound Vib 226(2):217~235
Cawley, P. / 1979 / The location of defects in structures from measurements of natural frequency / J. Strain Anal. Eng. Des 14(2):49~57
Doebling, S. W. / 1996 / Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review / Los Alamos Natl. Lab 1:1~136
Doebling, S. W. / 1998 / A summary review of vibration-based damage identification methods / Shock Vib. Dig 30(2):91~105
Abdel Wahab, M.M. / 1999 / Damage detection in bridges using modal curvatures:application to a real damage scenario / J. Sound Vib 226(2):217~235
Cawley, P. / 1979 / The location of defects in structures from measurements of natural frequency / J. Strain Anal. Eng. Des 14(2):49~57
Doebling, S. W. / 1996 / Damage identification and health monitoring of structural and mechanical systems from changes in their vibration characteristics: A literature review / Los Alamos Natl. Lab 1:1~136
Doebling, S. W. / 1998 / A summary review of vibration-based damage identification methods / Shock Vib. Dig 30(2):91~105
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