Abstract
The finite element software LS-DYNA was used to numerically investigate the damage of stiffened plates due to underwater explosive loads provided by RDX-based aluminized explosives. A finite element analysis model of fluid-solid coupling was established in order to study the elastoplastic dynamic buckling behavior of a stiffened plate structure. The effects of the RDX-based aluminized explosive energy release rate, shockwave energy, bubble energy and shockwave pressure on damage are discussed. A connection is established between aluminum content, the energy output of the underwater explosion and the response of the stiffened plate.
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