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AHigh Order Quad Mesh Generator For Spectral Methods

Yuan, Bing, David Kopriva

Research Notes, 26th International Meshing Roundtable, Sandia National Laboratories, September 18-21 2017

INTERNATIONAL
MESHING
ROUNTABLE

26th International Meshing Roundtable
Barcelona, Spain
September 18-21, 2017

Bing Yuan, Florida State University, US, byuan@math.fsu.edu
David Kopriva, Florida State University, US, kopriva@math.fsu.edu

Research Note Abstract
We describe an automatic quad mesh generator designed specifically for spectral methods. The mesh generator features subdivision of the domain chosen by the order of the polynomials to be used in the spectral solver. Curved boundaries are therefore accurately represented to a given tolerance. The algorithm is based on the cross-field method, and allows the direct generation of large, curved elements quadrilateral favored by spectral element and block structured finite difference methods.

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