Abstract
In this study, the computational fluid dynamics (CFD) method is used to calculate the hydrodynamic performance of UUVs at different velocities and depths near the free surface, near the ice surface, and at an infinite depth. The resistance, lift, velocity field, vorticity field and pressure around the UUV under different depths and velocities are analyzed respectively. The results show that the existence of ice surface affects the resistance, lift, velocity field, vorticity field and pressure compared with free surface and infinite diving depth, which produces impact on the navigation of UUV, and the influence is related to diving depth and speed. The research provides a guidance for the safe navigation of UUV near the polar ice surface.
Published Version
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