𝔖 Bobbio Scriptorium
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Optical method for fatigue crack detection

✍ Scribed by Pernick, B. J. ;Kennedy, J.


Book ID
115328645
Publisher
The Optical Society
Year
1980
Tongue
English
Weight
902 KB
Volume
19
Category
Article
ISSN
1559-128X

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Some results of mathematical simulations of bending vibrations encountered in a cracked aircraft wing under external harmonic excitation are presented. It is shown that due to the in#uence of the elastic non-linearity of typical cracks, superharmonic vibration regimes appear in the system response.