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Automatic All Quadrilateral Mesh Adaptionthrough Refinement and Coarsening

Anderson, Bret D., Steven E. Benzley, and Steven J. Owen

Proceedings, 18th International Meshing Roundtable, Springer-Verlag, pp.557-574, October 25-28 2009

IMR
PROCEEDINGS

18th International Meshing Roundtable
Salt Lake City, UT, USA.
October 25-28, 2009

Brigham Young University, Provo, Utah, USA
bret.d.anderson@gmail.com, seb@et.byu.edu
Sandia National Laboratories, Albuquerque, New Mexico, USA
sjowen@sandia.gov

Abstract
This work presents a new approach to conformal all-quadrilateral mesh adaptation. Most current quadrilateral adaptivity techniques rely on mesh refinement or a complete remesh of the domain. In contrast, we introduce a new method that incorporates both conformal refinement and coarsening strategies on an existing mesh of any density or configuration. Given a sizing function, this method modifies the mesh by combining template-based quadrilateral refinement methods with recent developments in localized quadrilateral coarsening and quality improvement into an automated mesh adaptation routine. Implementation details and examples are included.

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