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Calculation of hydrodynamic manoeuvring coefficients using viscous-flow calculations

AuthorsToxopeus, S.L.
Conference/Journal7th International Conference on Hydrodynamics (ICHD2006), Ischia, Italy
DateOct 4, 2006
In the present paper, the work conducted by the author regarding implementation and improvement of efficient calculation of hydrodynamic coefficients within the manoeuvring work package of VIRTUE is presented. The improvements are mainly realised using variation of grid topology and density. In the paper, a mathematical model for the bare hull forces and moments based on the viscous-flow calculation will be given. Comparisons with experimental data obtained within the project shows that using accurate viscous-flow calculations, a considerable improvement in the prediction of the forces and moments on the ship compared to conventional empiric methods can be obtained.


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