지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.20 No.4
- 발행연도
- 2006.4
- 수록면
- 467 - 472 (6page)
이용수
초록· 키워드
오류제보하기
A study of the natural vibrations of beam resting on elastic foundation with finite number of transverse open cracks is presented. Frequency equations are derived for beams with different end restraints. Euler-Bernoulli beam on Winkler foundation and Euler-Bernoulli beam on Pasternak foundation are investigated. The cracks are modeled by massless substitute spring. The effects of the crack location, size and its number and the foundation constants, on the natural frequencies of the beam, are investigated.
목차
Abstract
1. Introduction
2. Dynamic Analysis
3. Numerical Analysis and Discussions
4. Conclusions
Acknowledgments
References
참고문헌 (12)
참고문헌 신청
De Rosa, M. A., 1989, "Stability and Dynamics of Beams on Winkler Elastic Foundations," Earthquake Engineering and Structural Dynamnics, Vol.18, pp.377~388.
De Rosa, M. A., 1995, “ Free Vibrations of Timoshenko Beams on Two-Parameter Elastic Foundation," Computers and Structures, Vol.57(1), pp.151~156.
Farghaly, S. H. and Zeid, K. M., 1995, "An Exact Frequency Equation for an Axially Loaded Beam-Mass-Spring System Resting on a Winkler Elastic Foundation," Journal of Sound and Vibration, Vol.185(2), pp.357~363.
Hetenyi, M., 1946 Beams on Elastic Foundation, The University of Michigan Press.
Joshi, A. and Madhusudhan, B. S., 1991, "A Unified Approach to Free Vibration of Locally Damaged Beams Having Various Homogeneous Boundary Conditions," Journal of Sound and Vibration, Vol.147(3), pp.475~488.
De Rosa, M. A., 1995, “ Free Vibrations of Timoshenko Beams on Two-Parameter Elastic Foundation," Computers and Structures, Vol.57(1), pp.151~156.
Farghaly, S. H. and Zeid, K. M., 1995, "An Exact Frequency Equation for an Axially Loaded Beam-Mass-Spring System Resting on a Winkler Elastic Foundation," Journal of Sound and Vibration, Vol.185(2), pp.357~363.
Hetenyi, M., 1946 Beams on Elastic Foundation, The University of Michigan Press.
Joshi, A. and Madhusudhan, B. S., 1991, "A Unified Approach to Free Vibration of Locally Damaged Beams Having Various Homogeneous Boundary Conditions," Journal of Sound and Vibration, Vol.147(3), pp.475~488.
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