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Structural Engineering and Mechanics Volume 45, Number 1, January10 2013 , pages 033-52 DOI: https://doi.org/10.12989/sem.2013.45.1.033 |
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Vibration analysis of cracked frame structures |
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Ahmed M. Ibrahim, Hasan Ozturk and Mustafa Sabuncu
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| Abstract | ||
| In this study, the effects of crack depth and crack location on the in-plane free vibration of cracked frame structures have been investigated numerically by using the Finite Element Method. For the rectangular cross-section beam, a crack element is developed by using the principles of fracture mechanics. The effects of crack depth and location on the natural frequency of multi-bay and multi-store frame structures are presented in 3D graphs. The comparison between the present work and the results obtained from ANSYS shows a very good agreement. | ||
| Key Words | ||
| cracked frame; free vibration; multi-bay; multi-story; finite element method | ||
| Address | ||
| Ahmed M. Ibrahim, Hasan Ozturk: Mechanical Engineering Department, Dokuz Eylul University Buca, Izmir, Turkey Mustafa Sabuncu: The Graduate School of Natural and Applied Sciences, Dokuz Eylul University, Tinaztepe, Buca, Izmir, Turkey | ||