This work describes a computer system developed for the fast parametric generation of a 3D model of ship hull structure. The system is intended to be used as a tool for generating an initial product model of the hull structures at the basic design stage. The model provides not only the geometry of the hull and the main structural systems but also data describing the arrangement of plates and stiffeners of the component panels, including scantlings, spacing and materials. The objective of the system is to generate and help to evaluate alternative structural configurations, producing information on total or partial weights and centres of gravity at different levels of detail. For the intended purpose, the ease and speed of generation of a model is much more relevant than a high geometric accuracy, and so it was adopted as a simplified geometric modelling, representing curved shapes with polygonal approximations. The modelling concepts and methodology are discussed and the architecture of the system is presented, describing the main components. Finally, some results are shown from the partial modelling of a real ship that was used for testing and validation of the system.
Product data model of hull structures and digital prototyping system for basic structural design
Ships and Offshore Structures ; 6 , 1-2 ; 3-14
2011-02-11
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Product data model of hull structures and digital prototyping system for basic structural design
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