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Dynamic behaviour of a cracked cantilever beam

✍ Scribed by G. Bamnios; A. Trochides

Book ID
107722081
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
849 KB
Volume
45
Category
Article
ISSN
0003-682X

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πŸ“œ SIMILAR VOLUMES

FREE-VIBRATION BEHAVIOUR OF A CRACKED CA
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This study is based on cracks that occurred in metal beams obtained under controlled fatigue-crack propagation. The beams were clamped in a heavy vise and struck in order to obtain a clean impulse modal response. Spectrograms of the free-decay responses showed a time drift of the frequency and dampi

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The paper develops a "nite element scheme for computing the eigensystem for a cracked beam for di!erent degrees of closure. Previous work in the authors' laboratories has indicated that the ability to extend the use of mode superposition to model breathing conditions in the crack zone would overcome

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Structures are weakened by cracks. When the crack size increases in course of time, the structure becomes weaker than its previous condition. Finally, the structure may breakdown due to a minute crack. Therefore, crack detection and classification is a very important issue. In this study, free and f