The behaviour of a tanker moored to a point terminal under a change of ice drift direction has been investigated. One end of the mooring line is fastened to the point terminal and the other one to the mooring device on the vessel's bow. The tanker's motion in drifting broken ice is described by equations of motion, and its behaviour is determined by the balance of the environmental forces (ice, aerodynamic and hydrodynamic) acting on the vessel, as well as of the tighting force of the mooring line, of thrusters’ forces and of inertial forces. For the ice loads determination, the discrete element method is applied: the broken ice is represented by a set of floating disks interacting with each other as viscous-elastic bodies. The results of numerical calculations have been compared with experimental data of analogous model tests performed in an ice tank. It is shown that the developed numerical model may be used for theoretical analysis of behaviour of a moored tanker in drifting ice.


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    Title :

    Numerical and physical simulations of moored tanker behaviour


    Contributors:

    Published in:

    Publication date :

    2011-09-01


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown




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