Kinematic Modeling and Trajectory Simulation for Underwater Supercavitating Vehicles

doi:10.3969/j.issn.1000-1093.2012.08.010

Abstract

Abstract: Considered time-delay effects, the kinetic model of supercavitating vehicles was established, and the dynamic forces and moments caused by the deviation of the vehicle's body axis from supercavity axis under maneuver conditions were contained in it. To verify the veracity of the model under the strong maneuvering condition, a trajectory simulation was carried out. The results show that the motion characteristics of the strong maneuvering vehicles can be well described by the model; under the up-and-down rudder control mode, the limited rudder angle is an important factor to influence the oscillation of rudder angle.

Key words: fluid mechanics, underwater supercavitating vehicle, time-delay effect, dimensional kinematic model, trajectory simulation

CLC Number:

N945.13

LI Dai-jin, LUO Kai, DANG Jian-jun, WANG Yu-cai, ZHANG Yu-wen. Kinematic Modeling and Trajectory Simulation for Underwater Supercavitating Vehicles[J]. Acta Armamentarii, 2012, 33(8): 956-961.

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