Citation:
B. Sairam Prasad,G. Ravi Kiran Sastry.Numerical Investigations on Oblique Water Entry Dynamics of an Autonomous Underwater Vehicle Impacting Water Surface[J].Journal of Marine Science and Application,2026,(2):587-599.[doi:10.1007/s11804-025-00625-4]
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Numerical Investigations on Oblique Water Entry Dynamics of an Autonomous Underwater Vehicle Impacting Water Surface
B. Sairam Prasad,G. Ravi Kiran Sastry.Numerical Investigations on Oblique Water Entry Dynamics of an Autonomous Underwater Vehicle Impacting Water Surface[J].Journal of Marine Science and Application,2026,(2):587-599.[doi:10.1007/s11804-025-00625-4]
Info
- Title:
- Numerical Investigations on Oblique Water Entry Dynamics of an Autonomous Underwater Vehicle Impacting Water Surface
- Author(s):
- B. Sairam Prasad; G. Ravi Kiran Sastry
- Affilations:
- DOI:
- 10.1007/s11804-025-00625-4
- Abstract:
- This study conducts a detailed numerical investigation into the oblique water entry dynamics of an autonomous underwater vehicle (AUV) impacting the water surface based on the fundamentals of water entry dynamics. It integrates recent advancements in numerical simulations to address the challenges of transient motion and fluid-structure interactions. This study uses advanced computational fluid dynamics (CFD) simulations to explore the complex interaction between the vehicle and the surrounding fluid during the critical transition from air to water. The primary objectives of this investigation include the assessment of resultant forces and the identification of optimal launch parameters such as entry velocity and entry angle to enhance entry effectively. The numerical methodology and results offer valuable insight into the hydrodynamic behavior of AUVs, thereby contributing to more advanced and capable air-launched AUV systems.
References:
[1] Amiri MM, Sphaier SH, Vitola MA, Esperan?a PT (2019) URANS investigation of the interaction between the free surface and a shallowly submerged underwater vehicle at steady drift. Applied Ocean Research 84: 192-205. https://doi.org/10.1016/j.apor.2019.01.012.
[2] Chaudhry AZ, Shi Y, Pan G (2020) Study on the oblique water entry impact performance of AUV under different launch conditions based on coupled FEM-ALE method. AIP Advances 10(11): 115020. https://doi.org/10.1063/5.0025741.
[3] Chaudhry AZ, Shi Y, Pan G, Liu G (2021) Mechanical characterization of flat faced deformable AUV during water entry impact considering the hydroelastic effects. Applied Ocean Research 115(3): 102849. https://doi.org/10.1016/j.apor.2021.102849.
[4] Chen T, Huang W, Zhang W, Qi Y, Guo Z (2019) Experimental investigation on trajectory stability of high-speed water entry projectiles. Ocean Engineering 175: 16-24. https://doi.org/10.1016/j.oceaneng.2019.02.021.
[5] Chen Y, Chen X, Li J, Gong Z, Lu C (2017) Large eddy simulation and investigation on the flow structure of the cascading cavitation shedding regime around 3D twisted hydrofoil. Ocean Engineering 129: 1-19. https://doi.org/10.1016/j.oceaneng.2016.11.012.
[6] Choe Y, Kim C (2022) Computational investigation on ventilated supercavitating flows and its hydrodynamic characteristics around a high-speed underwater vehicle. Ocean Engineering 249: 110865. https://doi.org/10.1016/j.oceaneng.2022.110865.
[7] E?a L, Vaz G, Hoekstra M (2010) A verification and validation exercise for the flow over a backward facing step. Eccomas CFD 2010: 14-17
[8] E?a L, Vaz G, Hoekstra M (2010) Code verification, solution verification and validation in RANS solvers. Proceedings of the ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering, Shanghai, China, 597-605. https://doi.org/10.1115/OMAE2010-20338
[9] Fronzeo MA, Kinzel M, Lindau JW (2019) An assessment of pressure variations in artificially ventilated cavities. Ocean Engineering 177: 85-96. https://doi.org/10.1016/j.oceaneng.2019.02.045.
[10] Gaudet S (1998) Numerical simulation of circular disks entering the free surface of a fluid. Physics of Fluids 10(10): 2489-2499. https://doi.org/10.1063/1.869787.
[11] Guo HP, Zou ZJ (2017) System-based investigation on 4-DOF ship maneuvering with hydrodynamic derivatives determined by RANS simulation of captive model tests. Applied Ocean Research 68: 11-25. https://doi.org/10.1016/j.apor.2017.08.006.
[12] ITTC Resistance Committee (2017) Uncertainty analysis in CFD Verification and validation methodology and procedures. ITTC-Recommended Procedures and Guidelines, 1-13
[13] Karman V (1929) The impact of seaplane floats during landing. National Advisory Committee for Aeronautics, Washington DC, United States, NACA Technical Report No. NACA-TN-321
[14] May A (1952) Vertical entry of missiles into water. Journal of Applied Physics 23(12): 1362-1372. https://doi.org/10.1063/1.1702076.
[15] Myring DF (1976) A theoretical study of body drag in subcritical axisymmetric flow. Aeronautical Quartely 27(3): 186-194. https://doi.org/10.1017/s000192590000768x.
[16] Pan C, Guo Y (2013) Design and simulation of ex-range gliding wing of high altitude air-launched autonomous underwater vehicles based on SIMULINK. Chinese Journal of Aeronautics 26(2): 319-325. https://doi.org/10.1016/j.cja.2013.02.008.
[17] Prasad BS, Sastry GRK, Das HN (2024) A comprehensive review study on multiphase analysis of water entry bodies. Ocean Engineering 292: 116579. https://doi.org/10.1016/j.oceaneng.2023.116579.
[18] Qi D, Feng J, Xu B, Zhang J, Li Y (2016) Investigation of water entry impact forces on airborne-launched AUVs. Engineering Applications of Computational Fluid Mechanics 10(1): 473-484. https://doi.org/10.1080/19942060.2016.1202864.
[19] Sahoo A, Dwivedy SK, Robi PS (2019) Advancements in the field of autonomous underwater vehicle. Ocean Engineering 181: 145-160. https://doi.org/10.1016/j.oceaneng.2019.04.011.
[20] Sener MZ, Aksu E (2022) The effects of head form on resistance performance and flow characteristics for a streamlined AUV hull design. Ocean Engineering 257: 111630. https://doi.org/10.1016/j.oceaneng.2022.111630.
[21] Shi HH, Itoh M, Takami T (2000) Optical observation of the supercavitation induced by high-speed water entry. J. Fluids Eng. 122(4): 806-810. https://doi.org/10.1115/1.1310575.
[22] Shi Y, Pan G, Yan GX, Yim SC, Jiang J (2019a) Numerical study on the cavity characteristics and impact loads of AUV water entry. Applied Ocean Research 89: 44-58. https://doi.org/10.1016/j.apor.2019.05.012
[23] Shi Y, Pan G, Yim SC, Yan G, Zhang D (2019b) Numerical investigation of hydroelastic water-entry impact dynamics of AUVs. Journal of Fluids and Structures 91: 102760. https://doi.org/10.1016/j.jfluidstructs.2019.102760.
[24] Tan TJ, Hu J, Ge Y, Chen G, Yan Q (2019) Numerical simulation study on flow field distribution and load characteristics of transmedia aerial underwater vehicle during its water-exit process. Journal of Physics: Conference Series 1300(1): 012051. https://doi.org/10.1088/1742-6596/1300/1/012051.
[25] Truscott TT, Epps BP, Belden J (2014) Water entry of projectiles. Annual Review of Fluid Mechanics 46: 355-378. https://doi.org/10.1146/annurev-fluid-011212-140753
[26] Wang X, Shi Y, Pan G, Chen X, Zhao H (2021) Numerical research on the high-speed water entry trajectories of AUVs with asymmetric nose shapes. Ocean Engineering 234: 109274. https://doi.org/10.1016/j.oceaneng.2021.109274.
[27] Wang YF, Wang Z, Du Y, Wang J, Wang Y, Huang C (2022) On the airflow in a cavity during water entry. International Journal of Multiphase Flow 151: 104073. https://doi.org/10.1016/j.ijmultiphaseflow.2022.104073.
[28] Wang YH (2012) Numerical modeling approach of an air-launched AUV initially impacting on water. Proceedings of the 2012 National Conference on Information Technology and Computer Science, Lanzhou, China, 336-340. https://doi.org/10.2991/citcs.2012.129
[29] Wu J, Yang X, Xu S, Han X (2022) Numerical investigation on underwater towed system dynamics using a novel hydrodynamic model. Ocean Engineering 247: 110632. https://doi.org/10.1016/j.oceaneng.2022.110632.
[30] Yan GX, Pan G, Shi Y, Chao LM, Zhang D (2018) Experimental and numerical investigation of water impact on air-launched AUVs. Ocean Engineering 167: 156-168. https://doi.org/10.1016/j.oceaneng.2018.08.044.
[31] Yuan X, Xing T (2016) Hydrodynamic characteristics of a supercavitating vehicle’s aft body. Ocean Engineering 114: 37-46. https://doi.org/10.1016/j.oceaneng.2016.01.012.
[32] Zhang T, Zhang R, Xing W, Lv X (2017) The numerical modeling approach of an air-launched AUV impacting into water. OCEANS 2017-Aberdeen, 1-5. https://doi.org/10.1109/OCEANSE.2017.8084703
[33] Zhang W, Jia G, Wu P, Yang S, Huang B, Wu D (2021) Study on hydrodynamic characteristics of AUV launch process from a launch tube. Ocean Engineering 232: 109171. https://doi.org/10.1016/j.oceaneng.2021.109171.
[34] Zhang XY, Lyu XJ, Fan XD (2022) Numerical study on the vertical water exit of a cylinder with cavity. China Ocean Engineering 36(5): 734-742. https://doi.org/10.1007/s13344-022-0065-0.
[35] Zheng YN, Wang ZY, Wang GY (2020) Ventilated cavitating flow over a bluff body with special emphasis on the vortex-cavitation interaction. Ocean Engineering 217: 107925. https://doi.org/10.1016/j.oceaneng.2020.107925.
Memo
- Memo:
- Received date:2024-12-27;Accepted date:2025-3-4。<br>Corresponding author:G. Ravi Kiran Sastry,E-mail:grksastry@nitandhra.ac.in
