Anti-shock performance of honeycomb claddings with negative Poisson&rsquo;s ratio subjected to UNDEX

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Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (21) : 126-132.

Anti-shock performance of honeycomb claddings with negative Poisson’s ratio subjected to UNDEX

LI Junjie, TAO Meng, YE Hanfeng

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Abstract

Based on the explicit dynamic finite element software ABAQUS/Explicit, a fluid-solid coupled computation model was established to study the anti-shock performance of honeycomb rubber claddings with negative Poisson’s ratio subjected to UNDEX.The dynamic responses of the claddings were analyzed, and effects of structural parameters including height, cell element wall thickness and expanding angle on the claddings’ anti-shock performance were discussed.Results showed that the anti-shock performance of the claddings depends on structure parameters; the anti-shock performance of the claddings can be improved effectively with increase in height, decrease in cell element wall thickness and increase in absolute value of expanding angle.

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honeycombs with negative Poisson's ratio / rubber claddings / UNDEX(underwater explosion) / anti-shock capability

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LI Junjie, TAO Meng, YE Hanfeng. Anti-shock performance of honeycomb claddings with negative Poisson’s ratio subjected to UNDEX[J]. Journal of Vibration and Shock, 2019, 38(21): 126-132

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