Interactive modeling and subdivision of flexible equilateral triangular mechanisms

Günter Wallner, Franz Gruber

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Based on the requests from architects, we developed a system which allows to interactively design and subdivide flexible triangular surfaces. Due to economical reasons the number of different types of building elements should be small. For that reason we only use equilateral base triangles of unique size with the possibility of subdivision. To allow to interactively move vertices and to ensure constant edge length we use force-directed methods instead of inverse kinematics. This paper describes the data structure, the algorithm and the influence of subdivision on the kinematic flexibility of the mesh.
Original languageEnglish
Pages (from-to)50-56
Number of pages7
JournalKoG : Scientific-Professional Journal of the Croatian Society for Geometry and Graphics
Volume15
Publication statusPublished - 2011
Externally publishedYes

Keywords

  • subdivision
  • force directed algorithm
  • flexible mechanism
  • uniform 1-to-4 split

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