Cantor Colburn LLP
Method and system for determining safe under keel clearance of ultra-large ship
A method and a system for determining a safe under keel clearance of an ultra-large ship are provided. The method comprises: acquiring operation parameter values of the ship; obtaining fluid pressure according to the values; obtaining a squat force and a trim moment of the ship according to the pressure; establishing a mirror image model based on speed potential to establish a squat clearance calculation model for the ship; determining a half-wave rising height with above calculation model; obtaining draught and trim changes according to the squat force and the trim moment, to determine a maximum squat clearance of the hull; determining the safe under keel clearance; and controlling the squat clearance of the ship according to the safe under keel clearance of the ship, to avoid navigation dangers, and improve the loading rate.
WUHAN UNIVERSITY OF TECHNOLOGY
B B B B
B63B B63B B63B B63B
inventional inventional inventional inventional
Zhao Yong Haisen Huanhuan Yanmin Jingxian
Liu Ma Tong Li Xu Liu