Medial surface generation using chordal axis transformation in shell structures

K. Y. Kwon, B. C. Lee, S. W. Chae

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


This paper describes the generation of chordal surfaces for various shell structures, such as automobile bodies, plastic injection mold components, and sheet metal parts. After a single-layered tetrahedral mesh is generated by the advancing front method, the chordal surface is generated by cutting the tetrahedral mesh. One or more shell elements are generated at each tetrahedral element, and the chordal surface is constructed with triangular or quadrilateral shell elements. This algorithm has been tested on several models with rib structures.

Original languageEnglish
Pages (from-to)1673-1683
Number of pages11
JournalComputers and Structures
Issue number26-27
Publication statusPublished - 2006 Oct


  • CAT (chordal axis transformation)
  • MAT (medial axis transformation)
  • Medial surface generation
  • Shell structure
  • Surface classification
  • Tetrahedral meshing

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Modelling and Simulation
  • Materials Science(all)
  • Mechanical Engineering
  • Computer Science Applications


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