Verification of ship stability is based on rules which account for the effects of wind. Restrictive hypotheses are employed to define those rules and especially the influence of ship heeling. This study reviews some s...Verification of ship stability is based on rules which account for the effects of wind. Restrictive hypotheses are employed to define those rules and especially the influence of ship heeling. This study reviews some stability rules and applies them to the case of the F70 frigate. Then, two alternate approaches are considered: (1) accounting for the actual lateral areas and respective centroids of the heeled ship; and (2) CFD (computational fluid dynamics) calculations to determine aero and hydro dynamic coefficients at each heel angle. Finally, comparison is made between the results of these alternate approaches and the stability rules.展开更多
文摘Verification of ship stability is based on rules which account for the effects of wind. Restrictive hypotheses are employed to define those rules and especially the influence of ship heeling. This study reviews some stability rules and applies them to the case of the F70 frigate. Then, two alternate approaches are considered: (1) accounting for the actual lateral areas and respective centroids of the heeled ship; and (2) CFD (computational fluid dynamics) calculations to determine aero and hydro dynamic coefficients at each heel angle. Finally, comparison is made between the results of these alternate approaches and the stability rules.