Research on damage indexes of underwater target by underwater explosion

LI Wan;ZHANG Zhi-hua;LIANG Sheng-jie;HU Jun-bo

Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (10) : 40-44.

PDF(740 KB)
PDF(740 KB)
Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (10) : 40-44.
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Research on damage indexes of underwater target by underwater explosion

  • LI Wan, ZHANG Zhi-hua, LIANG Sheng-jie, HU Jun-bo
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Abstract

For the experiment data of a underwater target subjected to underwater explosion, the reason of choosing peak acceleration and peak velocity as a measurement was illustrated, and the correlation between these indexes was studied through the relevant analysis method. The common factors affecting the target damage were obtained by using the orthogonal rotating of factor analysis, and the feature indexes were selected through factor loading matrix of orthogonal rotation, and the relationship between feature indexes and damage patterns was discussed. Finally, Results show that the choice of feature indexes is reasonable by distinguishing the target damage by using the common factors and feature indexes.

Key words

underwater explosion / shock wave / factor analysis / Fisher discriminant

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LI Wan;ZHANG Zhi-hua;LIANG Sheng-jie;HU Jun-bo. Research on damage indexes of underwater target by underwater explosion[J]. Journal of Vibration and Shock, 2012, 31(10): 40-44
PDF(740 KB)

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