Damage Effect of a Multi-cabin Structure Under Near-field Underwater Explosion

Abstract

Studying the damage effects of multi-cabin structures (MCS) subjected to underwater explosions holds immense significance for ship protection. Employing a combined experimental and numerical simulation approach, this paper comprehensively investigates the damage effects of MCS under near-field underwater explosion. Three distinct damage modes are defined. Damage results of MCS caused by a single explosive and simultaneous detonation of two explosives with equivalent total mass are analyzed. A damage factor designated F* is proposed for determining the MCS damage mode under simultaneous dual-explosive detonation. The three different damage modes of MCS are as follows: I) Plastic deformation of the outermost layer; II) Tearing failure of the outermost layer accompanied by significant deformation of the second layer; III) Tearing failure of both the outermost and second layers. Once a breach occurs in the first layer, a water jet penetrates into the cabin and strikes the second layer, causing secondary damage. Additionally, the fragments generated from the first layer colliding with the second layer are the primary factors contributing to the occurrence of Mode III. The study presents criteria for distinguishing these three damage modes based on different shock wave impact locations. When damage factor F* ⩾ 1, MCS experiences damage in Mode II; whereas when F* < 1, MCS undergoes damage in Mode I. F* achieves 96.5% accuracy in damage mode prediction for MCS under 250 g-1 080 g TNT charges. When the total mass of explosives remains constant, the simultaneous explosion of two explosives exerts a more pronounced damage effect on MCS than a single explosive.

Keywords

Underwater explosion / Multi-cabin structure / Synchronous detonation / Plastic deformation / Damage mechanism / Damage factor

References

[1] AchorCH, KwonYW, DidoszakJM, CrowNE, HardmanDJ. Study of air-backed and water-backed carbon fiber composite plates subjected to underwater shock loading. Composite Structures, 2022, 300116147

[2] BonorchisD, NurickGN. The analysis and simulation of welded stiffener plates subjected to localised blast loading. International Journal of Impact Engineering, 2010, 37(3): 260-273

[3] ChenZ, ZongZ, GanL, LiM, LiuL, QianH. Numerical investigation on dynamic response of air-backed RC slabs subjected to close-in underwater explosion. Ocean Engineering, 2023, 273113962

[4] ChungKYS, NurickGN. Experimental and numerical studies on the response of quadrangular stiffened plates. Part I: subjected to uniform blast load. International Journal of Impact Engineering, 2005, 31(1): 55-83

[5] ColeRHUnderwater explosions, 1948, Princeton. Princeton Univ. Press.

[6] CostanzoFA. A closed form solution to the early-time underwater explosion (UNDEX) response of a rectangular airbacked ship hull panel. Paper presented at the Topics in Modal Analysis II, Volume 6, New York, 2012

[7] GaoH, TianH, GaoX. Damage characteristics of cabin in navigational state subjected to near-field underwater explosion. Ocean Engineering, 2023, 277114256

[8] HeZ, ChenZ, JiangY, CaoX, ZhaoT, LiY. Effects of the standoff distance on hull structure damage subjected to near-field underwater explosion. Marine Structures, 2020, 74102839

[9] HeZ, DuZ, ZhangL, LiY. Damage mechanisms of full-scale ship under near-field underwater explosion. Thin-Walled Structures, 2023, 189110872

[10] HenchieTF, ChungKYS, NurickGN, RanwahaN, BaldenVH. The response of circular plates to repeated uniform blast loads: An experimental and numerical study. International Journal of Impact Engineering, 2014, 74: 36-45

[11] JenC, TaiYS. Deformation behavior of a stiffened panel subjected to underwater shock loading using the non-linear finite element method. Materials & Design, 2010, 31(1): 325-335

[12] JinJ, HouH, ChenP, ZhuX, LiD. Experimental study on the combined damage of liquid cabin structure subjected to charge explosion with preset fragments. International Journal of Impact Engineering, 2019, 130: 19-26

[13] JonesNStructural Impact(M), 2011, Cambridge. Cambridge University Press.

[14] LiH, ZhangC, ZhengX, MeiZ, BaiX. A simplified theoretical model of the whipping response of a hull girder subjected to underwater explosion considering the damping effect. Ocean Engineering, 2021, 239109831

[15] LiY, RenX, ZhaoT, XiaoD, LiuK, FangD. Dynamic response of stiffened plate under internal blast: Experimental and numerical investigation. Marine Structures, 2021, 77102957

[16] LinS, WangJ, LiuL, LiH, MaT, TangK. Research on damage effect of underwater multipoint synchronous explosion shock waves on air-backed clamped circular plate. Ocean Engineering, 2021, 240109985

[17] QinY, YaoX, WangZ, WangY. Experimental investigation on damage features of stiffened cabin structures subjected to internal blast loading. Ocean Engineering, 2022, 265112639

[18] RajendranR, LeeJM. A comparative study of air- and waterbacked plated subjected to non-contact underwater explosion. International Journal of Modern Physics B, 2008, 22(09n11): 1311-1318

[19] TianS, DuX, YanQ, WuJ, ZhuangT. Damage effect of pile wharf under underwater explosion load. Mechanics of Advanced Materials and Structures, 2023, 30(1): 29-47

[20] TruongDD, JangBS, JuHB. Development of simplified method for prediction of structural response of stiffened plates under explosion loads. Marine Structures, 2021, 79103039

[21] WuW, LiuM, ZhangA, LiuY. Fully coupled model for simulating highly nonlinear dynamic behaviors of a bubble near an elastic-plastic thin-walled plate. Physical Review Fluids, 2021, 61013605

[22] WuW, LiuY, ZhangA, LiuM. An h-adaptive local discontinuous Galerkin method for second order wave equation: Applications for the underwater explosion shock hydrodynamics. Ocean Engineering, 2022, 264112526

[23] WuW, LiuY, ZhangA, LiuN, LiuL. Numerical investigation on underwater explosion cavitation characteristics near water wave. Ocean Engineering, 2020, 205107321

[24] ZhangA, LiS, CuiP, LiS, LiuYL. A unified theory for bubble dynamics. Physics of Fluids, 2023, 353033323

[25] ZhangA, YangW, YaoX. Numerical simulation of underwater contact explosion. Applied Ocean Research, 2012, 34: 10-20

[26] ZhangY, GuoJ, HaoN, YangJ, LiS. Damage detection on hull girder of ship subjected to explosion loading. Ocean Engineering, 2020, 198107006

[27] ZhaoN, YaoS, ZhangD, LuF, SunC. Experimental and numerical studies on the dynamic response of stiffened plates under confined blast loads. Thin-Walled Structures, 2020, 154106839

[28] ZhouH, KongX, WangY, ZhengC, PeiZ, WuW. Dynamic response of hull girder subjected to combined underwater explosion and wave induced load. Ocean Engineering, 2021, 235109436

[29] ZhouJ, ZhiX, XuJ, YueZ. Research on penetration of small size fragment to single soldier protection equipment. Explosion and Shock Waves, 2019, 392023304

[30] ZhouL L X, YanQ. Dynamic response and vulnerability analysis of pier under near-field underwater explosion. Engineering Failure Analysis, 2024, 155107749

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Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature