Automatic Conversion of Triangular Meshes Into Quadrilateral Meshes With Directionality

Topics:
Mechanical and Industrial
Tags:
Mesh
Source:
International Journal of CAD/CAM

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Overview: This paper presents a triangular-to-quadrilateral mesh conversion method that can control the directionality of the output quadrilateral mesh according to a user-specified vector field. Given a triangular mesh and a vector field, the method first scores all possible quadrilaterals that can be formed by pairs of adjacent triangles, according to their shape and directionality. It then converts the pairs into quadrilateral elements in order of the scores to form a quadrilateral mesh. Engineering analyses with finite element methods occasionally require a quadrilateral mesh well aligned along the boundary geometry or the directionality of some physical phenomena, such as in the directions of a streamline, shock boundary, or force propagation vectors.

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Format: PDF | Size: 427KB | Date: Feb 2003 | Pages: 11

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