吉林大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (增刊2): 292-0295.

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Filling holes algorithm for automobile panel based on B_Rep

LIU Rui-jun 1,2, |SONG Yu-quan1, |HU Ping3| |GUO Wei1   

  1. 1.College of Materials Science and Engineering, Jilin University, Changchun 130022, China|2.College of Transportation &|Civil Engineering, Beihua University, Jilin 132013, China|3.College of Automotive Engineering, Dalian University of Technology, Dalian 116024,China
  • Received:2008-11-18 Online:2009-09-30 Published:2009-09-30

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Abstract:

Holes are divided into singleface hole and multipleface hole whether boundaryloop of the hole is in one face:Singleface hole is be found by using topological relations and outerboundary & multipleface hole are distinguish by comparing volume of the bounding box. Singleface hole(s) of feature modeling was filled by deleting auxiliary feature. Singleface hole   which the feature modeling information is not existed or lost was filled by using bicubic Coons surface as multipleface hole. Hole(s) was filled accurately rapidly by algorithm, and provides necessary precondition for follow contact algorithm in numerical simulation of sheet forming process.

Key words: material synthesizing and processing technology, filling hole, boundary, automobile panel

CLC Number: 

  • TG386
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