The Geode Algorithm: Combining Hex/Tet Plastering, Dicing and Transition Elements for Automatic, All-Hex Mesh Generation.
Robert W. Leland, Darryl J. Melander, Ray J. Meyers, Scott A. Mitchell, Timothy J. Tautges · 1998
A new all-hexahedral meshing algorithm, referred to as "Geode", is described. This algorithm is the combination of hex/tet plastering, dicing, and a new 26-hex transition element template.The algorithm is described in detail, and examples are given of problems meshed with this algorithm.