The Calculation of Hydrodynamic Coefficients for Underwater Vehicles Using CFD Simulation
Main Article Content
Abstract
The manned diving underwater vehicles (UVs) are emerging as a significant capability enhancer for future generation submarines. During the underwater scheme design period, the calculation of resistance is an important task. In practice, the motions of the vehicles can be decoupled into horizontal and vertical motion. Therefore, estimation of the hydrodynamic coefficients of movement back and forth (horizontal), movement down and up (vertical) is the key to step to predict the motion of the underwater vehicles. Reynolds Averaged Navier–Stokes (RANS) simulations are carried out to numerically simulate the motion cases. This paper provides a detailed evaluation of the influence of seabed and water surface. The Computational results are verified by comparison with the real data that shows this method can be used to estimate the resistance of an underwater vehicle.
Keywords
Resistance, Underwater Vehicles, Simulation, Hydrodynamic coefficients
Article Details
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References
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[2] Wilcox, D.C. (1988), Re-assessment of the scale-determining equation for advanced turbulence models, AIAA Journal, vol. 26, no. 11, pp. 1299–1310. https://doi.org/10.2514/3.10041
[3] Martin Renilson, Submarine Hydrodynamics, Springer ISSN2191-530X, 2015. https://doi.org/10.1007/978-3-319-16184-6
[4] Fossen T. I., Handbook of Marine Craft Hydrodynamics and Motion Control, Wiley 201. https://doi.org/10.1002/9781119994138
[5] Rules for classification. DNV.GL, 2015. https://www.dnvgl.com/maritime/dnvgl-rules.
[6] Le Quang, A study on Stability augmentation for longitudinal modes of a small piston-engine aviation airplane. Tuyển tập công trình khoa học Hội nghị Cơ học Toàn quốc, Tháng 4/2019, Hà Nội.