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面边图
相关语句
  face-edge graph
     Fillet Feature Recognition and Suppression Based on Face-Edge Graph
     基于面边图的圆角特征识别与抑制
短句来源
  相似匹配句对
     Edge-face coloring of Series-Parallel Graphs
     系列平行着色
     Edge coloring with restriction of vertices and faces on Halin graphs
     Halin的有点约束的染色
短句来源
     Simultaneous Coloring of Edges and Faces of Series-parallel Graphs
     系列平行染色(英文)
短句来源
     The Edge-Face Total Chromatic Number of Halin Graphs
     关于Halin全着色数
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     THE EDGE SIZE OF CRITICAL-GRAPH
     临界
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Fillet feature recognition is one of the most important components of feature recognition. Fillet feature is composed of cylindrical faces, spherical faces, torus faces or B-Spline faces which are connected each other in linear or network structure. According to these characters of fillet features, this paper presents a recognition method —— connected graph of minimal and sameness radius for recognition of fillet feature. Firstly, all faces with characters of fillet feature are selected out. And then a face-edge...

Fillet feature recognition is one of the most important components of feature recognition. Fillet feature is composed of cylindrical faces, spherical faces, torus faces or B-Spline faces which are connected each other in linear or network structure. According to these characters of fillet features, this paper presents a recognition method —— connected graph of minimal and sameness radius for recognition of fillet feature. Firstly, all faces with characters of fillet feature are selected out. And then a face-edge graph is constructed based on connecting relationship of these faces,in which radiuses of edges and faces are recorded. Thereby, fillet feature recognition is changed to seeking the sameness radius connected sub-graph.

圆角特征识别是特征识别中的一个重要环节。圆角特征主要由圆柱面、球面、环面、B-spline曲面等组成,相互连接成链状或网状结构,据此文章提出了最小等半径连通图方法来识别圆角特征。首先将具有圆角特征表面特性的几何表面筛选出来,根据这些面的连接关系建立面边图。并在图中记录下面和连接边的半径,从而将圆角特征的识别转化为等半径连通子图的搜索。

Identification and suppression of fillet features in a geometry model is the first step of identifying manufacturing features.By suppressing fillet features,the model is simplified and boundary surfaces become less.So identifying manufacturing features becomes more easy and efficient.This paper presents an algorithm based on face-edge graph to identify and suppress fillet features.The face-edge graph is generated from face topology of B-rep models.By identifying the cut vertex or the set of cut vertices,fillet...

Identification and suppression of fillet features in a geometry model is the first step of identifying manufacturing features.By suppressing fillet features,the model is simplified and boundary surfaces become less.So identifying manufacturing features becomes more easy and efficient.This paper presents an algorithm based on face-edge graph to identify and suppress fillet features.The face-edge graph is generated from face topology of B-rep models.By identifying the cut vertex or the set of cut vertices,fillet features are recognized and suppressed.Tests show this algorithm works effectively.

圆角特征的识别和抑制是模型特征识别的第一步,能够有效地降低模型的复杂度,提高后续特征识别的准确性和效率。提出一种基于面边图的圆角特征识别和抑制算法,根据三维模型建立面边图,使圆角特征的识别转化为在面边图中寻找割点或割集的过程,从而实现对圆角特征的识别和抑制。该算法稳定有效,并已得到验证。

 
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