Numéro : 2499 - Year : 2007
An ultra fast tool for numerical hull modelling and mesh generation
François-Xavier DUMEZ, GRANITX – Brest (France)
Emmanuel MOGICATO, BASSIN d'ESSAIS DES CARENES – Val de Reuil (France)
Thierry DUPAU, BASSIN d'ESSAIS DES CARENES – Val de Reuil (France)
Cedric CHEYLAN, DCNS – Ingénierie Navires Armés – Lorient (France)
Sébastien BOITEAU et Cyrille KAMMERER, DCNS – Ingénierie Navires Armés – Lorient (France)
The design cycle of ships is an iterative process which seeks to integrate from the preliminary design stage multiple technical skills and conflicting performance objectives. In this context, the search for a compromise is a complex process which is made even more difficult by the limited time in which it has to be performed. In theses conditions, it is often difficult to complete the studies and the calculations (weights, stability, structure, performance, cost) on a given design, and even more so, to perform validated iterations with updated calculations. The 3D CAD files which are typically used at the detailed design stage cannot be used to this end because the time required to build them is too long, the level of detail is to fine to unable a rapid update of the definition, and the topological description is generally insufficient to allow such operations as the extraction of a finite element model for structural analysis or the automatic identification of the compartments for stability calculations. SILEX Structure has been developed with the support of the Bassin d'Essais des carènes and DCNS as a solution for the rapid and associative generation of numerical hull models common to, and shared with the different naval architecture numerical evaluation tools so as to offer an interactive and fluid design process.
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