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.75 No.5
- 발행연도
- 2020.1
- 수록면
- 585 - 594 (10page)
이용수
초록· 키워드
오류제보하기
Detecting the damage of indeterminate trusses is of major importance in the literature. This paper proposes a quick approach in this regard, utilizing a precise mathematical approach based on Finite Element Method. Different to a general two-step method defined in the literature essentially based on optimization approach, this method consists of three steps including Damage-Suspected Element Identification step, Imminent Damaged Element Identification step, and finally, Damage Severity Detection step and does not need any optimizing algorithm. The first step focuses on the identification of damage-suspected elements using an index based on modal residual force vector. In the second step, imminent damage elements are identified among the damage-suspected elements detected in the previous step using a specific technique. Ultimately, in the third step, a novel relation is derived to calculate the damage severity of each imminent damaged element. To show the efficiency and quick function of the proposed method, three examples including a 25-bar planar truss, a 31-bar planar truss, and a 52-bar space truss are studied; results of which indicate that the method is innovatively capable of suitably detecting, for indeterminate trusses, not only damaged elements but also their individual damage severity by carrying out solely one analysis.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Cury, A. A. / 2010 / A two-step technique for damage assessment using numerical and experimental vibration data / Struct. Health Monitor 10(4):417~428
Ghasemi, M. R. / 2018 / Enhanced optimization-based structural damage detection method using modal strain energy and modal frequencies / Eng. Comput 34(3):637~647
Amiri, G. G. / 2013 / Damage prognosis by means of modal residual force and static deflections obtained by modal flexibility based on the diagonalization method / Smart Mater. Struct 22(7):075032
Gomes, G. F. / 2019 / A sunflower optimization(SFO)algorithm applied to damage identification on laminated composite plates / Eng. Comput 35(2):619~626
Gomes, G. F. / 2019 / A Review of vibration based inverse methods for damage detection and identification in mechanical structures using optimization algorithms and ANN / Arch. Comput. Method. Eng 26(4):883~897
Ghasemi, M. R. / 2018 / Enhanced optimization-based structural damage detection method using modal strain energy and modal frequencies / Eng. Comput 34(3):637~647
Amiri, G. G. / 2013 / Damage prognosis by means of modal residual force and static deflections obtained by modal flexibility based on the diagonalization method / Smart Mater. Struct 22(7):075032
Gomes, G. F. / 2019 / A sunflower optimization(SFO)algorithm applied to damage identification on laminated composite plates / Eng. Comput 35(2):619~626
Gomes, G. F. / 2019 / A Review of vibration based inverse methods for damage detection and identification in mechanical structures using optimization algorithms and ANN / Arch. Comput. Method. Eng 26(4):883~897
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