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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.23 No.2
- 발행연도
- 2019.1
- 수록면
- 195 - 205 (11page)
이용수
초록· 키워드
오류제보하기
An accurate non-model-based method for delamination identification of laminated composite plates is proposed in this work. A weighted mode shape damage index is formulated using squared weighted difference between a measured mode shape of a composite plate with delamination and one from a polynomial that fits the measured mode shape of the composite plate with a proper order. Weighted mode shape damage indices associated with at least two measured mode shapes of the same mode are synthesized to formulate a synthetic mode shape damage index to exclude some false positive identification results due to measurement noise and error. An auxiliary mode shape damage index is proposed to further assist delamination identification, by which some false negative identification results can be excluded and edges of a delamination area can be accurately and completely identified. Both numerical and experimental examples are presented to investigate effectiveness of the proposed method, and it is shown that edges of a delamination area in composite plates can be accurately and completely identified when measured mode shapes are contaminated by measurement noise and error. In the experimental example, identification results of a composite plate with delamination from the proposed method are validated by its C-scan image.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Peyman Torkzadeh / 2016 / Damage detection of plate-like structures using intelligent surrogate model / Smart Structures and Systems, An International Journal 18(6):1233~1250
S.H. DIAZ VALDES / 1999 / DELAMINATION DETECTION IN COMPOSITE LAMINATES FROM VARIATIONS OF THEIR MODAL CHARACTERISTICS / Journal of Sound and Vibration 228(1):1~9
Wright, S. / 1999 / Numerical Optimization / Springer-Verlag
Yongfeng Xu / 2016 / Non-model-based damage identification of plates using measured mode shapes / Structural Health Monitoring: An International Journal 16(1):3~23
Y.F. Xu / 2017 / Non-model-based damage identification of plates using principal, mean and Gaussian curvature mode shapes / Journal of Sound and Vibration 400:626~659
S.H. DIAZ VALDES / 1999 / DELAMINATION DETECTION IN COMPOSITE LAMINATES FROM VARIATIONS OF THEIR MODAL CHARACTERISTICS / Journal of Sound and Vibration 228(1):1~9
Wright, S. / 1999 / Numerical Optimization / Springer-Verlag
Yongfeng Xu / 2016 / Non-model-based damage identification of plates using measured mode shapes / Structural Health Monitoring: An International Journal 16(1):3~23
Y.F. Xu / 2017 / Non-model-based damage identification of plates using principal, mean and Gaussian curvature mode shapes / Journal of Sound and Vibration 400:626~659
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