Modelling and Simulation of Marine Cables with Dynamic Winch and Sheave Contact

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Westin, Cassidy




Cable-sheave systems are commonly used on marine vessels for lifting and towing applications. As a result of the motion of the vessel, the cable can detach from the surface of the sheave. This thesis presents a simulation of a towed cable system which includes the interaction of the cable with the sheave surface in order to examine variations in the contact between the cable and the sheave. A three-dimensional description of the sheave geometry is implemented in order to accurately model the contact forces as the vessel undergoes six degree-of-freedom motion. To assess the performance of the model, the simulated cable behavior is compared to small scale experimental measurements. Finally, a case study was performed to demonstrate the usage of the simulation to examine variations in cable tension and contact forces for a full-scale system. The method demonstrated can be used in future studies to examine cable detachment behavior.


Engineering - Mechanical




Carleton University

Thesis Degree Name: 

Master of Applied Science: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Engineering, Mechanical

Parent Collection: 

Theses and Dissertations

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