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 Zhifan Zhang,Hailong Li,Jingyuan Zhang,et al.Characterization of Underwater Explosive Loads of Blasting and Shaped Charges[J].Journal of Marine Science and Application,2024,(2):302-315.[doi:10.1007/s11804-024-00422-5]
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Characterization of Underwater Explosive Loads of Blasting and Shaped Charges


Characterization of Underwater Explosive Loads of Blasting and Shaped Charges
Zhifan Zhang1 Hailong Li1 Jingyuan Zhang1 Longkan Wang2 Guiyong Zhang13 Zhi Zong13
Zhifan Zhang1 Hailong Li1 Jingyuan Zhang1 Longkan Wang2 Guiyong Zhang13 Zhi Zong13
1 State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, School of Naval Architecture Engineering, Dalian University of Technology, Dalian 116024, China;
2 China Ship Research and Development Academy, Beijing 100192, China;
3 Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
Blasting charge|Shaped charge|Load characteristics|Shock wave|Bubble
Blasting and shaped charges are the main forms of underwater weapons, and their near-field underwater explosions (UNDEX) can severely damage structures. Therefore, it is of great importance to study underwater explosive load characteristics of different forms of charges. The full physical process of a typical underwater explosion of a sphere/column blasting charge and a shaped charge was simulated using the Eulerian method. The loading characteristics of the underwater blast shock wave and bubble, as well as the projectile, were studied. The results show that the shock wave loads of spherical, cylindrical, and polygonal charges propagate outward in spherical, ellipsoidal-spherical and ellipsoidal- spherical wavefronts, respectively. When the shock wave reaches 16 times the distance-to-diameter ratio, its surface is approximately spherical. In addition, in the shaped charge underwater explosion, the shaped charge liner cover absorbs 30°-90° of the shock wave energy and some of the bubble energy to form a high-speed shaped penetrator. Spherical, ellipsoidal, and ellipsoidal bubbles are generated by underwater explosions of spherical, cylindrical, and shaped charges, respectively. The obtained results provide a reference for evaluating the power of underwater weapons.


Bjarnholt G (1980) Suggestions on standards for measurement and data evaluation in the underwater explosion test. Propellants, Explosives, Pyrotechnics, 5(2-3):67-74. https://doi.org/10.1002/prep.19800050213
Cole RH, Weller R (1948) Underwater explosions. Physics Today, 1(6):35. https://doi.org/10.5962/bhl.title.48411
Cui P, Zhang A, Wang S, Khoo BC (2018) Ice breaking by a collapsing bubble. Journal of Fluid Mechanics, 841, 287-309. https://doi.org/10.1017/jfm.2018.63
Daramizadeh A, Ansari MR (2015) Numerical simulation of underwater explosion near air-water free surface using a five-equation reduced model. Ocean Engineering. 110, 25-35. https://doi.org/10.1016/j.oceaneng.2015.10.003
Emamzadeh SS (2022) Nonlinear dynamic response of a fixed offshore platform subjected to underwater explosion at different distances. J. Marine. Sci. Appl. 21(4):168-176. https://doi.org/10.1007/s11804-022-00306-6
Geers TL, Hunter KS (2002) An integrated wave-effects model for an underwater explosion bubble. J. Acoust. Soc. Am. 4(111):1584-1601. https://doi.org/10.1121/1.1458590
Han R, Zhang A, Tan S, Li S (2022) Interaction of cavitation bubbles with the interface of two immiscible fluids on multiple time scales. Journal of Fluid Mechanics, 932, A8. https://doi.org/10.1017/jfm. 2021.976
Huang C, Guo K, Qin K, Luo K, Li D, Dang J (2022) Hydrodynamic characteristics and supercavity shape of supercavitating projectiles launched with supersonic speed. J. Marine. Sci. Appl. 21(2):24-33. https://doi.org/10.1007/s11804-022-00262-1
Hung CF, Hwangfu JJ (2010) Experimental study of the behaviour of mini-charge underwater explosion bubbles near different boundaries.
Journal of Fluid Mechanics, 651, 55-80. https://doi.org/10.1017/S0022112009993776
Klaseboer E, Hung KC, Wang C (2005) Experimental and numerical investigation of the dynamics of an underwater explosion bubble near a resilient/rigid structure. Journal of Fluid Mechanics. 537:387-413. https://doi.org/10.1017/S0022112005005306
Li S, Zhang A, Cui P, Li S, Liu Y (2023) Vertically neutral collapse of a pulsating bubble at the corner of a free surface and a rigid wall. Journal of Fluid Mechanics, 962:A28. https://doi.org/10.1017/jfm.2023.292
Liang HZ, Li Y, Zhang QM (2016) The explosive characteristics of TNT under deep water. Acta Armamentar II. 37(S2):241-245
Liu W, Zhang A, Miao X, Ming F, Liu Y (2023) Investigation of hydrodynamics of water impact and tail slamming of highspeed water entry with a novel immersed boundary method. Journal of Fluid Mechanics, 958:A42. https://doi.org/10.1017/jfm.2023.120
Ma K, Wang CL, Li MR (2019) Underwater explosion load characteristic of shaped charge warhead (in Chinese). Ordnance Material Science and Engineering, 42(1):1-5. https://doi.org/10.14024/j.cnki.1004-244x.20181122.002
Shi CY, Xu CD, Kong DR (2020) Effects of shell thickness of charge on pressure waveform in water shock tube (in Chinese). Chinese Journal of Explosives & Propellants, 43(3):314-319. https://doi.org/10.14077/j.issn.1007-7812.201904029
Tatl?suluo?lu A, Beji S (2021) Blast pressure measurements of an underwater detonation in the sea. J. Marine. Sci. Appl. 20(4):706-713. https://doi.org/10.1007/s11804-021-00230-1
USA CD (2003) Interactive Non-Linear Dynamic Analysis Software Autodyn User Manual. USA Century Dynamics Inc., Houston.
Wang CL, Zhou G, Ma K (2017) Shockwave characteristics of shaped charge exploded underwater (in Chinese). Chinese Journal of High Pressure Physics, 31(4):453-461. https://doi.org/10.11858/gywlxb.2017.04.014
Wang CL, Zhou G, Ma K (2018) Damage analysis of typical water partitioned structure under shaped charge underwater explosion(in Chinese). Journal of Ship Mechanics, 22(8):1001-1010. https://doi.org/10.3969/j.issn.1007-7294.2018.08.010
Wang P, Zhang A, Ming F, Sun P, Cheng H (2019) A novel nonreflecting boundary condition for fluid dynamics solved by smoothed particle hydrodynamics. Journal of Fluid Mechanics, 860:81-114. https://doi.org/10.1017/jfm.2018.852
Wang Y, Qin YZ, Wang ZK, Yao XL (2022) Damage characteristics of ice layer during underwater blasting of different types of explosives(in Chinese). Journal of Vibration and Shock. https://doi.org/10.13465/j.cnki.jvs.2022.09.025
Zamyshlyaev BV (1973) Dynamic Loads in Underwater Explosion. USA Naval Intelligence Support Center, Washington DC Zhang A, Li S, Cui P, Li S, Liu Y (2023a) Theoretical study on bubble dynamics under hybrid-boundary and multi-bubble conditions using the unified equation. Sci. China Phys. Mech. Astron. 66, 124711. https://doi.org/10.1007/s11433-023-2204-x Zhang A, Li S, Cui P, Li S, Liu Y (2023b) A unified theory for bubble dynamics. Physics of Fluids, 35(3):033323. https://doi.org/10.1063/5.0145415
Zhang A, Ren S, Li Q, Li J (2012) 3D numerical simulation on fluidstructure interaction of structure subjected to underwater explosion with cavitation. Applied Mathematics and Mechanics-English Edition. 33(9):1191-1206. https://doi.org/10.1007/s10483-012-1615-8
Zhang AM, Cui P, Cui J, Wang QX (2015) Experimental study on bubble dynamics subject to buoyancy. Journal of Fluid Mechanics, 776:137-160. https://doi.org/10.1017/jfm.2015.323
Zhang Z, Wang C, Zhang A, Silberschmidt VV, Wang L (2019) SPHBEM simulation of underwater explosion and bubble dynamics near rigid wall. Science China-Technological Sciences, 62(7):1082-1093. https://doi.org/10.1007/s11431-018-9420-2
Zhang ZF, Li HL, Wang LK, Zhang GY, Zong Z (2022) Formation of shaped charge projectile in air and water. Materials, 15(21):7848. https://doi.org/10.3390/ma15217848
Zhang ZF, Li HL, Zhang GY (2023c) Action time sequence of underwater explosion shock wave and shaped charge projectile(in Chinese). Explosion and Shock Waves. 43(10):3-14. https://doi.org/10.11883/bzycj-2022-0397
Zhou FY, Jiang T, Wang WL, Zhang KY, Zhan FM (2012) Study on damage capabilities of multiple hulls structure under underwater explosion. Amr. 430-432, 1581-1586. https://doi.org/10.4028/www.scientific.net/AMR.430-432.1581
Zong Z, Zhao Y, Ye F, Li H, Chen G (2012) Parallel computing of the underwater explosion cavitation effects on full-scale ship structures. J. Marine. Sci. Appl. 11(4):469-477. https://doi.org/10.1007/s11804-012-1157-7


Received date: 2023-10-13;Accepted date: 2023-12-26。
Foundation item: This work is supported by the National Natural Science Foundation of China (Grant Nos.52271307,52061135107,52192692 and 11802025),the Liaoning Excellent Youth Fund Program (Grant No.2023JH3/10200012),the Opening Project of State Key Laboratory of Explosion Science and Technology (Grant No.KFJJ21-09M),the Liaoning Revitalization Talents Program (Grant No.XLYC1908027),and the Fundamental Research Funds for the Central Universities (Grant Nos.DUT20RC (3)025,DUT20TD108,DUT20LAB308).
Corresponding author: Guiyong Zhang,E-mail:gyzhang@dlut.edu.cn
Last Update: 2024-05-28