FREE VIBRATION OF BEAM WITH DOUBLE-SIDED EDGE CRACKS

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AYAT ELAHI MAJID REZA; ROKHI H.; HASHEMI R.A.

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Journal: AMIRKABIR Year:2008 | Volume:18 | Issue:67-B Page(s): 41-48

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Information Journal Paper

Title

FREE VIBRATION OF BEAM WITH DOUBLE-SIDED EDGE CRACKS

Author(s)

AYAT ELAHI MAJID REZA | ROKHI H. | HASHEMI R.A. | Issue Writer Certificate

Keywords

CRACKED BEAMQ3

FREE VIBRATIONQ2

FINITE ELEMENT METHODQ2

COMPLIANCE MATRIXQ3

Abstract

In this paper, a finite element model is formulated for dynamic analysis of beams containing two parallel and unequal edge-cracks. First, by using the COMPLIANCE MATRIX concept, which accounts for the effect of local flexibility due to the presence of crack in the structure, the stiffness matrix is calculated for a beam element with one edge-crack. The effects of crack depth and its location on the first and third natural frequencies of the beam are investigated. The same model is then extended for an element with a double edge-crack of unequal lengths. Considering the interaction between cracks, the influence of crack depth on FREE VIBRATION of the beam is investigated. Finally, a new model is developed for a beam element containing two parallel edge-cracks. It is shown that the vibrational behavior of beam is significantly influenced when the second crack approaches the first one.

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APA: Copy

AYAT ELAHI, MAJID REZA, ROKHI, H., & HASHEMI, R.A.. (2008). FREE VIBRATION OF BEAM WITH DOUBLE-SIDED EDGE CRACKS. AMIRKABIR, 18(67-B), 41-48. SID. https://sid.ir/paper/745/en

Vancouver: Copy

AYAT ELAHI MAJID REZA, ROKHI H., HASHEMI R.A.. FREE VIBRATION OF BEAM WITH DOUBLE-SIDED EDGE CRACKS. AMIRKABIR[Internet]. 2008;18(67-B):41-48. Available from: https://sid.ir/paper/745/en

IEEE: Copy

MAJID REZA AYAT ELAHI, H. ROKHI, and R.A. HASHEMI, “FREE VIBRATION OF BEAM WITH DOUBLE-SIDED EDGE CRACKS,” AMIRKABIR, vol. 18, no. 67-B, pp. 41–48, 2008, [Online]. Available: https://sid.ir/paper/745/en

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