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Mesh Generation on High-Curvature Surfaces Based on a Background Quadtree Structure

Luo, Xiao-Juan, Mark S. Shephard, Jean-Francois Remacle, Robert M. OBara, Mark W. Beall, Barna Szabo and Ricardo Actis

Proceedings, 11th International Meshing Roundtable, Springer-Verlag, pp.343-354, September 15-18 2002


11th International Meshing Roundtable
Ithaca, New York, USA.
September 15-18 2002

Xiao-Juan Luo, Mark S. Shephard, Jean-Francois Remacle
Scientific Computation Research Center,
Rensselaer Polytechnic Institute, Troy, NY 12810,,,

Robert M. OBara, Mark W. Beall
Simmetrix, Inc., Clifton park, NY 12065,

Barna Szabo
Washington University, St. Louis, MO 63130

Ricardo Actis
Engineering Software Research and Development, Inc.,
St. Louis, Missouri

Higher order (p-version) finite element methods have been shown to be clearly superior to low order finite element methods when properly applied. However, realization of the full benefits of p-version finite elements for general 3-D geometries requires the careful construction and control of the mesh. A 2-D elasticity problem with curved boundary is used to clearly illustrate the influence of the mesh shape geometric approximation order and shape representation method on the accuracy of finite element solution in a p-version analysis. Consideration is then given to a new approach for the representation of mesh geometry for p-version meshes and to the automatic generation of p-version meshes.

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