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Hexhoop: Modular Templates For Converting A Hex-Dominant Mesh To An All-Hex Mesh

Yamakawa, Soji and Kenji Shimada

Proceedings, 10th International Meshing Roundtable, Sandia National Laboratories, pp.235-246, October 7-10 2001


10th International Meshing Roundtable
Newport Beach, California, U.S.A.
October 7-10, 2001

Carnegie Mellon University, Pittsburgh, PA, U.S.A.

This paper presents a new mesh conversion template, called HEXHOOP, that fully automates a conversion from a hex-dominant mesh to an all-hex mesh. A HEXHOOP template subdivides a hex/prism/pyramid element to a set of smaller hex elements while maintaining the topological conformity with neighboring elements. A HEXHOOP template is constructed by assembling sub- templates, cores and caps. A dicing template for a hex. and a prism is constructed by choosing the appropriate combination of a core and caps. A template that dices a pyramid without losing conformity to the adjacent element is derived from a HEXHOOP template. Some experimental results show that the HEXHOOP templates successfully convert a hex-dominant mesh to an all-hex mesh.

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