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GHCAD: A Feature-based Design System
摘    要:GHCAD:AFEATURE-BASEDDESIGNSYSTEMQianXiaoping;XiangWen;ZhangXingfang;ZhouJi;YuJunGHCAD:AFEATURE-BASEDDESIGNSYSTEM¥QianXiaoping...


GHCAD : A FEATURE-BASED DESIGN SYSTEM
Qian Xiaoping, Xiang Wen,Zhang Xingfang, Zhou Ji, Yu Jun. GHCAD : A FEATURE-BASED DESIGN SYSTEM[J]. CADDM, 1995, 0(1)
Authors:Qian Xiaoping   Xiang Wen  Zhang Xingfang   Zhou Ji   Yu Jun
Affiliation:Qian Xiaoping; Xiang Wen;Zhang Xingfang; Zhou Ji; Yu Jun
Abstract:A feature-centered scheme is presented to represent the feature-based variational partmodel. Constraint reasoning approach and numerical approach are trigged up to satisfy theconstraints between features. Coassociations between boundary elements in feature level and partlevel are maintained to implement a series of feature operations and to implement precision featureinodslling adaptive for paramatric part geometry model.GHCAD, a feature-based parametricmodelling system based on these ideas , is developed, and some examples are given finally.
Keywords:feature  CAD/CAPP integration  form feature  precisoin feature  parametrization  varlation
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