機械設計における設計意図伝達のための形状特徴

概要

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In both cooperative design by many designers in various engineering domains and modification design which is considered cooperative work with origninal designers, communication among designers is essential. In order to communicate efficiently among designers, a form features to describe designers' intentions must be designated in the geometric model of a designed object. There are two methods of designating form features, denotation and connotation. The connotative method is more useful for describing the designers' intentions. In this paper, we propose a method of describing designers' intentions by means of connotative designation of form features by applying conditions to satisfy functional requirements. The developed CAD system based on the proposed method supports cooperative design and modification design by maintaining the designers' intention that is related to functions and form features in the progress of the design process. When the required functions cannot be satisfied by the modification, the system gives a warning for remodification.
1993-09-25