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
- 발행연도
- 2007.3
- 수록면
- 101 - 110 (10page)
이용수
초록· 키워드
오류제보하기
This work proposes a new nondestructive damage evaluation method that can detect, locate, and size damage by utilizing dynamically measured modal flexibility. The proposed method is particularly useful for a slender beam under an axial force. It belongs to the response-based approach because the response data are directly related to damage without the use of a numerical model. An equation governing the damage-mechanism is theoretically derived from modal flexibility. Solving the set of resulting equations provides the evaluation of damage. The accuracy of the proposed method is verified using a set of numerical simulations. The proposed method attempts to resolve the mode selection problem, the singularity problem, the axial force problem, and the absolute severity estimation problem, all of which exist in earlier attempts. The proposed method is capable of conducting detailed local inspections using incomplete measured modal parameters of a selected class of structures.
목차
Abstract
1. Introduction
2. A Theory of Damage Detection
3. Numerical Study
4. Summary and Conclusions
References
참고문헌 (18)
참고문헌 신청
Pandey , 1994 , Damage detection in structures using changes in flexibility. Journal of Sound and Vibration 169 : 3 ~ 17
Berman , 1971 , . Theory of incomplete models of dynamic structures. AIAA Journal 9 : 1481 ~ 1487
, , Simplified approach to the numerical and experimental modeling of the dynamics of a cracked beam. 1. ho (lulu) : 778 ~ 785
, 1994 , Dynamic characteristic and modal parameters of a plate with a small growing surface crack. 2 ho (lulu) : 1155 ~ 1161
, 1996 , Estimation of reciprocal residual flexibility from experimental modal data 34 (8) : 1678 ~ 1685
Berman , 1971 , . Theory of incomplete models of dynamic structures. AIAA Journal 9 : 1481 ~ 1487
, , Simplified approach to the numerical and experimental modeling of the dynamics of a cracked beam. 1. ho (lulu) : 778 ~ 785
, 1994 , Dynamic characteristic and modal parameters of a plate with a small growing surface crack. 2 ho (lulu) : 1155 ~ 1161
, 1996 , Estimation of reciprocal residual flexibility from experimental modal data 34 (8) : 1678 ~ 1685
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UCI(KEPA) : I410-ECN-0101-2009-531-019174975