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Issue:
Representation Product Model Fitting Collaborative Design Environment
Author(s):
WANG Qi
,
LIU Yong-xian
,
ZANG Ge-ping
,
GUO Kai
Pages:
798
-
801
Year:
2006
Issue:
7
Journal:
JOURNAL OF NORTHEASTERN UNIVERSITY(NATURAL SCIENCE)
Keyword:
协同设计
;
产品模型
;
标识
;
拓扑结构
;
特征编辑
;
Abstract:
为适应协同设计环境对产品造型技术的要求,采用基于标识的实体模型和特征模型相结合的方法来进行产品模型的表示.提出了基于特征的拓扑元素的标识方法并建立了相应的标识机制,把拓扑元素的标识与特征联系起来.标识及标识机制的引入使产品模型中的特征语义元素和实体几何拓扑元素既相互独立又彼此联系,有效地维护了协同设计过程中模型修改前后拓扑结构的对应关系,从而实现了在保证协同设计过程中协同模型一致性的前提下,对产品模型的特征编辑.
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