Anisotropic tetrahedral meshing via bubble packing and advancing front
Yamakawa, Soji; Shimada, Kenji
International Journal for Numerical Methods in Engineering, John Wiley & Sons, Ltd., Vol 57, Num 13, pp.1923 - 1942, August 2003
Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213-3890, U.S.A.
Abstract
This paper presents a new computational method for anisotropic tetrahedral meshing. The method can control element anisotropy based on a specified 3×3 tensor field defined over a volumetric domain. Our method creates a tetrahedral mesh in two steps: (1) placing nodes at the centres of tightly packed ellipsoidal cells, called bubbles, in the domain, and (2) connecting the nodes by a modified advancing front followed by local transformation. The method creates a high-quality anisotropic mesh that conforms well to a specified tensor field.
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