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- W165487246 abstract "This thesis provides a method that combines numerical detection and semi-empiricalformulas to solve the ship-level ice interaction in time domain which can be appliedto studying ship manoeuvring and autopilot in level ice. Numerical implementationhas been accomplished by using programming language FORTRAN90 under LinuxOperation System.The ship-ice interaction and the ice breaking process is simulated by adopting a 2-DDiscrete Element Method (DEM). A new detection technique name Polygon-PointAlgorithm is developed to identify the contact area. Different Pressure-Area (P-A)relation and flexural ice plate model are included and studied. Full 3DOF ice inducedload is derived in this thesis. The method is validated by using the data from twomodel ship tests and one full scale sea trial.A Line-of-Sight (LOS) guidance system and PID controllers for path following andvelocity maintaining are also developed. Detail has been provided in solving discontinuityof commanded heading angle. The path following ability has been examinedand presented.Recommendations for future works is also provided in the thesis." @default.
- W165487246 created "2016-06-24" @default.
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- W165487246 date "2014-05-01" @default.
- W165487246 modified "2023-09-27" @default.
- W165487246 title "Numerical simulation for ship manoeuvring andpath following in level ice" @default.
- W165487246 hasPublicationYear "2014" @default.
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