Why solid modeling? (in automated CAD/CAM)

The potentials of solid modeling to permit truly automated CAD/CAM are explored in comparisons with the limitations of wire frame (WF) and surface (SM) models. WF cannot differentiate between inner and outer surfaces and SM does not permit computation of mass properties. Solid models eliminate ambig...

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Bibliographic Details
Published in:Aerospace America 1985-01, Vol.23, p.94-96
Main Author: Boulter, T W
Format: Article
Language:English
Online Access:Get full text
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Summary:The potentials of solid modeling to permit truly automated CAD/CAM are explored in comparisons with the limitations of wire frame (WF) and surface (SM) models. WF cannot differentiate between inner and outer surfaces and SM does not permit computation of mass properties. Solid models eliminate ambiguity and require large computer storage capabilities and fast processing. Physical properties such as moments of inertia, mass, center of gravity, and kinematical behavior can be calculated. The models are built from primitive solids and connected by Boolean operators or from solid segments (SS). SS permits storage of physical data for each segment while the PS must be calculated from the entire shape. Research directions being followed to display dynamic situations, cross-sections, and composite structure components are discussed.
ISSN:0740-722X