Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Stability of single point mooring systems
A mathematical model for the horizontal plane slow motions of ships connected to a mooring terminal through a single elastic line is developed based on the ship manoeuvring equations and a non-linear elastic mooring line model. Slowly varying excitations from current, wind and drift forces are included. Local perturbation analysis about the critical points of the corresponding autonomous system reveals the asymptotic stability characteristics of the mooring system. Time simulations using a tanker and a barge confirm the theoretically predicted long term behaviour and show the short term system behaviour. The mooring system may exhibit instability in sway, yaw and surge or reach a limit cyclic depending on the properties of the critical points, vessel type, propeller, initial conditions, current and wind.
Stability of single point mooring systems
A mathematical model for the horizontal plane slow motions of ships connected to a mooring terminal through a single elastic line is developed based on the ship manoeuvring equations and a non-linear elastic mooring line model. Slowly varying excitations from current, wind and drift forces are included. Local perturbation analysis about the critical points of the corresponding autonomous system reveals the asymptotic stability characteristics of the mooring system. Time simulations using a tanker and a barge confirm the theoretically predicted long term behaviour and show the short term system behaviour. The mooring system may exhibit instability in sway, yaw and surge or reach a limit cyclic depending on the properties of the critical points, vessel type, propeller, initial conditions, current and wind.
Stability of single point mooring systems
Bernitsas, Michael M. (Autor:in) / Papoulias, Fotis A. (Autor:in)
Applied Ocean Research ; 8 ; 49-58
15.06.1985
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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