Unified Features Management Based on Shape Properties and Design Intents (1st Report)

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  • 形状特性と設計意図に基づく統一的フィーチャ処理法 (第1報)
  • 形状特性と設計意図に基づく統一的フィーチャ処理法(第1報)設計/生産フィーチャの相互関係と表現法
  • ケイジョウ トクセイ ト セッケイ イト ニ モトズク トウイツテキ フィーチ
  • Relationship and Representation of Design Features and Manufacturing Features
  • 設計/生産フィーチャの相互関係と表現法

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This paper proposes a method which represents features in multiple views. The feature is defined as a region which has connected faces by the edges with the same convexity. The model has more than one region corresponding to an individual view. The region is expressed by a similar structure to the half edge data structure, and regions are manipulated by a set of operations which are defined as region Euler operations. The relation of the regions in the same view is represented by a tree structure, and a graph structure which represents the relations between regions in the different views is generated by scanning the common faces which are included in different regions. The range of the influence which the shape change causes on the design and the manufacturing feature is specified, by using the graph and tree of regions. The method of maintaining the correspondence of the region by the feature cancellation is described by using the region Euler operations.

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