Sink-insertion for mesh improvement

  • Authors:
  • Herbert Edelsbrunner;Damrong Guoy

  • Affiliations:
  • Department of Computer Science, Duke University, Durham, NC 27708, Raindrop Geomagic, RTP, NC;Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL

  • Venue:
  • SCG '01 Proceedings of the seventeenth annual symposium on Computational geometry
  • Year:
  • 2001

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Abstract

We propose sink-insertion as a new technique to improve the mesh quali ty of Delaunay triangulations. We compare it with the conventional circumcenter-insertion technique under three scheduling regimes: incremental, in blocks, and in parallel. Justification for sink-insertion is given in terms of mesh quality, numerical robustness, running time, and ease of parallelization.