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三维CAD特征模型的多分辨率造型 被引量：3

Multiresolution modeling of three-dimensional feature-based CAD models
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摘要 为满足工业界对特征表示的三维CAD模型的特殊需求,提出了一种新型三维CAD模型的多分辨率造型方法,解决了传统多分辨率造型方法的许多不足:简单基于模型几何操作、不含工程设计信息和无法根据设计意图简化等.通过分析特征间的相互依赖关系,设计了一种"去依赖特征抑制"(de-dependence feature suppressing,DDFS)操作,以实现模型的任意层次简化.实践表明,该多分辨率造型方法不但可以大大降低模型复杂度,而且其简化模型更加符合工程设计人员的意图. A new method for multiresolution modeling of feature-based CAD models was proposed, which can effectively meet the engineering requirements for CAD models in the industry. Compared to existing multiresolution modeling methods, the new method is based on high-level semantic operations. The CAD model can be simplified according to the designing intent by the method, and the levels of detail （LOD） model can contain engineering information. A de-dependence feature suppressing operation was developed for various LODs simplifications of feature models. Example models illustrated the feasibility and effectiveness of the new method.
作者 方萃浩 叶修梓 陈志杨 彭维
机构地区 浙江大学计算机科学与技术学院CAD&CG国家重点实验室 浙江工业大学软件学院
出处 《浙江大学学报（工学版）》 EI CAS CSCD 北大核心 2007年第12期1955-1961,共7页 Journal of Zhejiang University：Engineering Science
基金 国家自然科学基金资助项目(60473106 60273060 60333010) 国家教育部博士点学科基金资助项目(20030335064)
关键词 多分辨率造型 细节层次(LOD) 特征模型 模型简化 multiresolution modeling level of detail （LOD） feature model model simplification
分类号 TP391.7 [自动化与计算机技术—计算机应用技术]
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参考文献15

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共引文献3

同被引文献48

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引证文献3

二级引证文献20

浙江大学学报（工学版）
2007年 第12期

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