Abstract
Abstract In engineering applications such as interactive design and simulation, some of the main object manipulations include feature interaction. Today's CAD systems provide object-oriented structures which can explicitly represent functional and geometrical interactions among features. However, conventional interaction algorithms for manipulating these structures cannot cope with non-geometrical information such as feature functionality. Interaction among features plays an essential role in defining functionality. In this paper, a new method is described which focuses on implementation of an interaction mechanism for design and simulation. Two interaction categories are handled: (1) neighboring interaction, which is primarily geometrical (blending and trimming) and (2) functional interaction (machining). Since most interactions are performed in a sub-domain rather than in the entire domain, the advantage of the locality property is considered in both cases.
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