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ARTÍCULO
TITULO

Research on Maneuverability Prediction of Double Waterjet Propulsion High Speed Planing Craft

Hua-Wei Sun    
Jing-Lei Yang    
Bo Liu    
Hong-Wei Li    
Jia-Feng Xiao and Han-Bing Sun    

Resumen

A mathematical model for predicting the maneuvering motion of a ship is constructed, using a planing craft with dual waterjet propulsion as the object of study. This model is based on the standard approach of the MMG (Maneuvering Modeling Group) and uses the Runge?Kutta algorithm to solve the differential equations. For the simulation of the turning and Z-shape maneuvering motion, the RANS equation is first solved using the program STAR-CCM + and then the PMM motion of the hull is simulated using the overlapping grid approach to derive the hydrodynamic derivative. The established method for predicting the ship?s maneuverability is feasible, as shown by the calculated results, which agree well with those obtained using data from the sea trials. This method was used to simulate the rudder rotation and Z-shape motion of the planing craft at medium and high speeds to predict the maneuverability index.

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