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3D Hull Engineering is the core of the Nupas-Cadmatic Hull system. It is used for 3D modeling of the hull structure from the basic design up to the detailed and production engineering of hull blocks, assemblies, panels and parts.

The 3D Hull Engineering module distinguishes itself from other CAD/CAE/CAM systems in that it is extremely fast and easy to use. The intuitive user interface guides the hull designer with maximum assistance while creating structural components like decks, bulkheads, stiffeners, shell frames, girders, flanges, brackets etc.

Hull structures are stored topologically, meaning that relations between structural components and relations with the hull shape allow fast and easy modifications. The effects of modifications on a topological structure are automatically carried through to the related structural components allowing fast and easy re-use of information without doing rework. Rule based engineering is another strong feature that assists the engineer e.g. in picking the correct bracket sizes (flanged or not) automatically according to specific Class Rules

The module also supports a hull library mechanism to retrieve and store any kind of structures including their topological properties. Piping and outfitting components can be made visible during the 3D modeling of the hull structure.

The 3D Hull Engineering module includes powerful copy functions, parametric definition of yard standards and many automatic mechanisms like part and panel numbering, marking lines, standard bracket selection, part coding etc. taking away many of the hull designer's daily worries and routine tasks.

The project library used by the 3D Hull Engineering module consists of a collection of all necessary yard standards for cut outs, profile end shapes, stiffener types, brackets, holes and other structural entities. Besides the yard related standards, software settings and project specific parameters are also stored and maintained in the project library.

Besides 3D modeling the 3D Hull Engineering module contains full 2D drafting functionality to complete the views of the 3D model, create details and any kind of sheet drawing (see also module 2D Drafting).