Mathematical modeling of fender forces and memory effects for simulation of ship manoevres in confined waters
Vantorre, M. (1992). Mathematical modeling of fender forces and memory effects for simulation of ship manoevres in confined waters, in: 10th International Harbour Congress, Antwerpen 15-19 juni 1992: proceedings. pp. 5.31-5.39
In: (1992). 10th International Harbour Congress, Antwerpen 15-19 juni 1992: proceedings. Koninklijke Vlaamse Ingenieursvereniging (KVIV): Antwerpen. ISBN 90-5204-017-6. different pagination pp., more
A reliable estimation of contact forces between a ship's hull and constructions protected by fenders requires the knowledge of the time history of hydrodynamic forces acting on the ship. As large decelerations may occur, memory effects become important and a quasisteady approach, which is commonly in use in manoeuvring simulation, cannel be applied.
The first part of the paper gives an alternative review of mathematical models suited for calculation of hydrodynamic forces on ships in impact or collision situations. Particular attention is paid to mathematical models making use of impulse response function techniques and the application of state vectors. The second part gives the outlines of the theoretical base for the implementation of memory effects in a manoeuvring simuIation program.
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