In this paper we discuss the results of experimental and numerical studies carried out for monitoring the integrity of a model of the side shell of a ship’s structure, using its vibration responses. The model was tested for different crack development scenarios under random exciting force having a dominant spectral frequency much lower than the first natural frequency of the structure . Sensor locations were justified based on modal responses under intact and damaged conditions. A damage detection procedure using the root mean square response modal amplitudes is also presented.
Identification of Small-Sized Cracks on Cross-Stiffened Plate Structures for Ships
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Budipriyanto, A., Swamidas, A. S. J., and Haddara, M. R. (October 8, 2005). "Identification of Small-Sized Cracks on Cross-Stiffened Plate Structures for Ships." ASME. J. Eng. Mater. Technol. April 2006; 128(2): 210–224. https://doi.org/10.1115/1.2172625
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