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Efficient Hexahedral Mesh Generation for ComplexGeometries Using an Improved Set of RefinementTemplates

Ito, Yasushi, Alan M. Shih, and Bharat K. Soni

Proceedings, 18th International Meshing Roundtable, Springer-Verlag, pp.103-115, October 25-28 2009


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

Enabling Technology Laboratory
Department of Mechanical Engineering
University of Alabama at Birmingham, Birmingham, AL, U.S.A.

We proposed a new, easy-to-implement, easy-to-understand set of refinement templates in our previous paper to create geometry-adapted all-hexahedral meshes easily [Ito et al., "Octree-Based Reasonable-Quality Hexahedral Mesh Generation Using a New Set of Refinement Templates," International Journal for Numerical Methods in Engineering, Vol. 77, Issue 13, March 2009, pp. 1809-1833, DOI: 10.1002/nme.2470]. This paper offers an extension of the template set to refine concave domains more efficiently. In addition, two new options, temporal rotation and temporal local inflation, are introduced to create hexahedral meshes with fewer elements for long objects or objects with thin regions. Several examples are shown to discuss the improvements of the mesh generation method.

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