Dynamic response and shock resistance of layered claddings subjected to a non-contact underwater explosion

XIAO Feng;CHEN Yong;ZHU Da-wei;SUN Jing-ya;HUA Hong-Xin

Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (19) : 111-118.

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PDF(3379 KB)
Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (19) : 111-118.
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Dynamic response and shock resistance of layered claddings subjected to a non-contact underwater explosion

  • XIAO Feng, CHEN Yong, ZHU Da-wei, SUN Jing-ya, HUA Hong-Xin
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Abstract

Coating rubber claddings onto the wet surface of a ship is a widely used and very effective way on improving its UNDEX resistance. In this paper, on the background of the ship protection and conception of functionally graded materials, dynamic response and shock resistance of four layered honeycomb claddings subjected to a non-contact underwater explosion have been investigated. First, three groups of rubber test data were fitted with the hyperelastic constitutive models in ABAQUS finite-strain package. Then, the proper model was chosen. Moreover, the influence of shock wave amplitude, cell radius and arrangement were analyzed. The results play an instructive role in understanding the dynamic behavior and protective mechanisms of claddings and provide a guideline to the selection and further optimal design when subjected to UNDEX.


Key words

Rubber claddings / UNDEX / Functionally graded materials / Hyperelastic model / Shock resistance

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XIAO Feng;CHEN Yong;ZHU Da-wei;SUN Jing-ya;HUA Hong-Xin. Dynamic response and shock resistance of layered claddings subjected to a non-contact underwater explosion[J]. Journal of Vibration and Shock, 2013, 32(19): 111-118
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