Mesh simplification with smooth surface reconstruction

O. Volpin*, A. Sheffer, M. Bercovier, L. Joskowicz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

In this work, a new method for mesh simplification and surface reconstruction specifically designed for the needs of CAD/CAM engineering design and analysis is introduced. The method simplifies the original free-form face mode by first constructing restricted curvature deviation regions, generating a boundary conforming finite dement quadrilateral mesh of the regions, and then fitting a smooth surface over the quadril ateral mesh using the plate energy method. It is more general in scope than existing methods because it handles modes with free-form faces and non-manifold geometry, not just triangular or polygonal faces. It produces a high-quality quadrilateral mesh which is suited for both finite element analysis and CAD/CAM. The smooth surface obtained by energy functional stabilization over limited curvature regions preserves the number of quadrilateral dements, and is best suited for surface modeling. The method is illustrated by building of several free-form surfaces from an arbitrary topology mesh.

Original languageAmerican English
Pages (from-to)875-882
Number of pages8
JournalCAD Computer Aided Design
Volume30
Issue number11
DOIs
StatePublished - 1998

Keywords

  • Clustering
  • Finite-element (FE)
  • Limited curvature regions
  • Piecewise Bézier surface
  • Quadrilateral mesh
  • Subdivision
  • Thin plate energy

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