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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.79 No.4
- 발행연도
- 2021.8
- 수록면
- 441 - 449 (9page)
이용수
초록· 키워드
오류제보하기
A new method is presented to study the free vibrations of multi-cracked beams with arbitrary boundary conditions.
In the literature, the method based on changes in modal strain energy was used to perform the dynamic analysis of beams with just one crack. In this paper, the changes in modal strain energy are used iteratively to study the dynamic behavior of beams with multiple cracks. The iterative method consists in finding the dynamic frequencies in steps by considering the effects of cracks one by one. First, the beam is assumed intact, for it a single crack is taken into account via the method based on changes in modal strain energy. Then, this procedure is repeated iteratively by taking at steps (i+1), the frequencies obtained at step (i). The end is detected when the total number of cracks is reached. This developed iterative approach is used to analyze the effect of multiple open cracks on the modal parameters of a cantilever beam subjected to free vibration. The results are in good agreement with finite element and experimental methods. This developed method may also be used to generate training data for pattern recognition approaches to health monitoring.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Şeref D. Akbaş / 2019 / Nonlinear behavior of fiber reinforced cracked composite beams / Steel and Composite Structures, An International Journal 30(4):327~336
Aleyaasin, M. / 2001 / Vibration analysis of distributed-lumped rotor systems / Comput. Meth. Appl. Mech. Eng 189:545~558
S. Alimirzaei / 2019 / Nonlinear analysis of viscoelastic micro-composite beam with geometrical imperfection using FEM: MSGT electro-magneto-elastic bending, buckling and vibration solutions / Structural Engineering and Mechanics, An Int＇l Journal 71(5):485~502
Anderson, T. L. / 2005 / Fracture Mechanics: Fundamental and Applications / CRC Press. Taylor and Francis Group
Benzair, A. / 2006 / Effect of transverse cracks on the elastic properties of high temperature angle-ply laminated composites / Comput. Mater. Sci. 37(4):470~475
Aleyaasin, M. / 2001 / Vibration analysis of distributed-lumped rotor systems / Comput. Meth. Appl. Mech. Eng 189:545~558
S. Alimirzaei / 2019 / Nonlinear analysis of viscoelastic micro-composite beam with geometrical imperfection using FEM: MSGT electro-magneto-elastic bending, buckling and vibration solutions / Structural Engineering and Mechanics, An Int＇l Journal 71(5):485~502
Anderson, T. L. / 2005 / Fracture Mechanics: Fundamental and Applications / CRC Press. Taylor and Francis Group
Benzair, A. / 2006 / Effect of transverse cracks on the elastic properties of high temperature angle-ply laminated composites / Comput. Mater. Sci. 37(4):470~475
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