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The Influence of Hydrostatic Pressure on the Effects of Ring-stiffened Cylindrical Shells Subjected to Underwater Explosion

Ma Hui

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Abstract

With finite element method,the influences caused by hydrostatic pressure to deformation and failure model of ring-stiffened cylindrical shells are analyzed.Considering cavitation and the coupling of solid and fluid,the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water.By comparing failure modes of shell caused by UNDEX with and without outer hydrostatic pressure,their influences on loading effects are obtained.

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What this paper is about

With finite element method,the influences caused by hydrostatic pressure to deformation and failure model of ring-stiffened cylindrical shells are analyzed.Considering cavitation and the coupling of solid and fluid,the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water.By comparing failure modes of shell caused by UNDEX with and without outer hydrostatic pressure,their influences on loading effects are obtained.

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Available abstract

With finite element method,the influences caused by hydrostatic pressure to deformation and failure model of ring-stiffened cylindrical shells are analyzed.Considering cavitation and the coupling of solid and fluid,the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water.By comparing failure modes of shell caused by UNDEX with and without outer hydrostatic pressure,their influences on loading effects are obtained.

Key concepts: Hydrostatic pressure, Underwater, Cavitation, Hydrostatic equilibrium, Shell (structure), Underwater explosion, Finite element method, Materials science

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The Influence of Hydrostatic Pressure on the Effects of Ring-stiffened Cylindrical Shells Subjected to Underwater Explosion — Research Paper | ScholarLens