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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.80 No.4
- 발행연도
- 2021.11
- 수록면
- 391 - 399 (9page)
이용수
초록· 키워드
오류제보하기
There are many mode shape damage localization methods but a few of them assess damage severity. In this paper a crack size prediction method using damaged beam mode shape is presented. The beam damaged sections are modelled by massless rotational springs, whose constants are calculated by the first and the second derivate of the mode shape using numerical differentiation. The method utilizes the relationship between the rotational spring constant and the size of an open single-sided crack with uniform depth in a rectangular cross section beam. The predicted crack depths are compared with the actual data from finite element models. The results obtained demonstrate that the proposed method correctly predicts the crack size in beam structures with single or multiple damages.
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참고문헌 (26)
참고문헌 신청
Adams, R. D. / 1978 / A vibration technique for non-destructively assessing the integrity of structures / J. Mech. Eng. Sci 20(2):93~100
Allemang, R. J. / 1982 / A correlation coefficient for modal vector analysis / Proceedings of the 1st International Modal Analysis Conference
Barad, K. H. / 2013 / Crack detection in cantilever beam by frequency based method / Procedia Eng 51:770~775
Baran Bozyigit / 2020 / Transfer matrix formulations and single variable shear deformation theory for crack detection in beam-like structures / Structural Engineering and Mechanics, An Int＇l Journal 73(2):109~121
Chondros, T. G. / 1980 / Identication of cracks in welded joints of complex structures / J. Sound Vib 69(4):531~538
Allemang, R. J. / 1982 / A correlation coefficient for modal vector analysis / Proceedings of the 1st International Modal Analysis Conference
Barad, K. H. / 2013 / Crack detection in cantilever beam by frequency based method / Procedia Eng 51:770~775
Baran Bozyigit / 2020 / Transfer matrix formulations and single variable shear deformation theory for crack detection in beam-like structures / Structural Engineering and Mechanics, An Int＇l Journal 73(2):109~121
Chondros, T. G. / 1980 / Identication of cracks in welded joints of complex structures / J. Sound Vib 69(4):531~538
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