Effects of fracture models on structural damage and acceleration in naval ships due to underwater explosions

Kim, Hyunwoo; Cerik, Burak Can; Choung, Joonmo

doi:10.1016/j.oceaneng.2022.112930

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Cited by 9 publications

References 36 publications

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Protection Mechanism of Underwater Double-Hull Coated with Polyurea and UHMW-PE Subjected to Shock Waves and Bubble Loads

Li,

Zhang,

Wang

et al. 2023

Mechanisms and Machine Science

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Protection Mechanism of Underwater Double-Hull Coated with Polyurea and UHMW-PE Subjected to Shock Waves and Bubble Loads

Li,

Zhang,

Wang

et al. 2023

Mechanisms and Machine Science

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Theoretical Investigation of Spherical Bubble Dynamics in High Mach Number Regimes

Han,

Yan,

2024

J. Marine. Sci. Appl.

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The compressibility of fluids has a profound influence on oscillating bubble dynamics, as characterized by the Mach number. However, current theoretical frameworks for bubbles, whether at the first or second order of the Mach number, are primarily confined to scenarios characterized by weak compressibility. Thus, a critical need to elucidate the precise range of applicability for both first- and second-order bubble theories arises. Herein, we investigate the suitability and constraints of bubble theories with different orders through a comparative analysis involving experimental data and numerical simulations. The focal point of our investigation encompasses theories such as the Rayleigh–Plesset, Keller, Herring, and second-order bubble equations. Furthermore, the impact of parameters inherent in the second-order equations is examined. For spherical oscillating bubble dynamics in a free field, our findings reveal that the first- and second-order bubble theories are applicable when Ma⩽0.3 and 0.4, respectively. For a single sonoluminescence bubble, we define an instantaneous Mach number, Mai. The second-order theory shows abnormal sensibility when Mai is high, which is negligible when Mai⩽0.4. The results of this study can serve as a valuable reference for studying compressible bubble dynamics.

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Sensitivity analysis of damage extent in naval ship compartments due to internal airborne explosions

Chang,

Choung

2024

International Journal of Naval Architecture and Ocean Engineeri

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Effects of fracture models on structural damage and acceleration in naval ships due to underwater explosions

Cited by 9 publications

References 36 publications

Protection Mechanism of Underwater Double-Hull Coated with Polyurea and UHMW-PE Subjected to Shock Waves and Bubble Loads

Protection Mechanism of Underwater Double-Hull Coated with Polyurea and UHMW-PE Subjected to Shock Waves and Bubble Loads

Theoretical Investigation of Spherical Bubble Dynamics in High Mach Number Regimes

Sensitivity analysis of damage extent in naval ship compartments due to internal airborne explosions

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