Global Strength Analysis in Head Waves, for an Offshore Support Vessel

Résumé fourni par la source

The main topic of this paper is the 3D-FEM global strength analysis of a offshore supply vessel (OSV) under the following loads: still water and equivalent quasi-static head waves pressure, eigen ship and cargo weight. Two loading cases are selected for this analysis: full loading condition and ballast condition. The 3D-FEM (Finite Element Method) model extends over the whole ship length, the floating and trim equilibrium condition, in vertical plane, are obtained using eigen iterative numerical procedures. The buckling and yielding criteria are used to compare the numerical results with the allowable values according to classification societies.

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