Simulations of the dynamics and interaction between a floating structure and a near-field explosion bubble

Wang, Jiaxia; Zong, Zhi; Liu, Kun; Cui, Jie

doi:10.1016/j.apor.2018.06.004

Cited by 25 publications

(3 citation statements)

References 27 publications

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“…High-precision numerical simulation techniques are effective in addressing the aforementioned challenges [16][17][18][19]. Several effective numerical models have been developed in current research on fluid-structure interaction during UNDEX [20][21][22][23]. Building on this, researchers have investigated the combined damaging effects of shockwaves and bubble pulsation loads on ships subjected to close-in explosions.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Response of a Warship’s Metal-Jet-Damaged Double-Layer Plates Subjected to the Subsequent Underwater Explosion

Huang,

Mao,

Luo

et al. 2024

JMSE

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This paper examines the response characteristics of a warship’s double-layer plates under a secondary near-field explosion after the ship’s outer plate has been perforated by shaped metal jets. First, the effectiveness of the Coupled Eulerian–Lagrangian (CEL) method was validated, showing numerical simulations to be well aligned with experimental results. Subsequently, the damage inflicted on the outer plate by metal jets was simplified to a prefabricated orifice, further studying the explosive impact response of double-layer plates under different inter-compartmental water levels and charge distances. Our findings indicated the following: (1) shockwave and bubble pulsation loads are the main causes of deformation in the outer plate; (2) the driving of the outer plate and the flooding water between compartments are the main causes of deformation in the inner plate; and (3) deformation in the outer plate will decrease as the water level in the compartment increases, while deformation in the inner plate will increase with the increasing water level. Consequently, under certain specific damage, the ingress of water into a compartment effectively enhances the explosion resistance of the double-layer plates.

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Section: Introductionmentioning

confidence: 99%

Dynamic Response of a Warship’s Metal-Jet-Damaged Double-Layer Plates Subjected to the Subsequent Underwater Explosion

Huang,

Mao,

Luo

et al. 2024

JMSE

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“…3. The explosion is a near-field explosion in which the bubble is sufficiently far away from the structure that it does not merge with the structure, but the structure undergoes loading from the pulsation of the bubble (e.g., [7][8][9]).…”

Section: Introductionmentioning

confidence: 99%

Computational analysis of bubble–structure interactions in near-field underwater explosion

Zhao

Gilbert

et al. 2022

International Journal of Solids and Structures

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“…The dynamic behaviors of multiple bubbles beneath a free surface are of great importance in various natural process and engineering applications, including underwater explosion near a free surface (Brett and Krelle, 2018;Cui et al, 2016b;Li et al, 2018a;Wang et al, 2018a), airgun clusters for seabed exploration (Cox et al, 2004;de Graaf et al, 2014), cavitation (Long et al, 2018;Wang et al, 2017;Wang et al, 2018b), laser-induced forward transfer (Turkoz et al, 2018a;Turkoz et al, 2018b), bubble damage on tissue and cells (Chen et al, 2009;Curtiss et al, 2013;Liu et al, 2018) and bubble drag reduction (Verschoof et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical investigation of the dynamics of a coalesced oscillating bubble near a free surface

et al. 2019

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Understanding the dynamics of oscillating bubbles beneath a free surface is crucial to many practical applications including airgun-bubble clusters, underwater explosions, etc. In this paper, an experimental and numerical study of the dynamic behaviors of a coalesced bubble near a free surface is conducted, which shows quite different physical features from single bubble dynamics. Firstly, two similar sized underwater discharge bubbles are generated simultaneously beneath a free surface and their complex interactions are experimentally studied with high-speed photography imaging. A strong interaction between two bubbles and the subsequent coalescence are observed when the initial distance between two bubbles is smaller than the maximum equivalent bubble radius. Secondly, both axisymmetric and three-dimensional (3D) boundary integral models are used to simulate the precoalescence and post-coalescence of two bubbles. The results obtained by the two models agree well in axisymmetric conditions. The essential physical phenomena in representative experiments are well reproduced by the present 3D model. The pressure field is calculated by the auxiliary function method, which helps to reveal the underlying mechanisms of bubble collapse patterns and jetting behaviors. A parametric study reveals the dependence of the coalesced bubble dynamics and free surface motion on the governing dimensionless quantities.

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Simulations of the dynamics and interaction between a floating structure and a near-field explosion bubble

Cited by 25 publications

References 27 publications

Dynamic Response of a Warship’s Metal-Jet-Damaged Double-Layer Plates Subjected to the Subsequent Underwater Explosion

Dynamic Response of a Warship’s Metal-Jet-Damaged Double-Layer Plates Subjected to the Subsequent Underwater Explosion

Computational analysis of bubble–structure interactions in near-field underwater explosion

Experimental and numerical investigation of the dynamics of a coalesced oscillating bubble near a free surface

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