An indirect approach for automatic generation of quadrilateral meshes with arbitrary line constraints

Liu, Yan, Xing, H. L. and Guan, Zhenqun (2011) An indirect approach for automatic generation of quadrilateral meshes with arbitrary line constraints. International Journal for Numerical Methods in Engineering, 87 9: 906-922. doi:10.1002/nme.3145


Author Liu, Yan
Xing, H. L.
Guan, Zhenqun
Title An indirect approach for automatic generation of quadrilateral meshes with arbitrary line constraints
Journal name International Journal for Numerical Methods in Engineering   Check publisher's open access policy
ISSN 0029-5981
1097-0207
Publication date 2011-09-02
Sub-type Article (original research)
DOI 10.1002/nme.3145
Volume 87
Issue 9
Start page 906
End page 922
Total pages 17
Place of publication Bognor Regis, West Sussex, U.K.
Publisher John Wiley & Sons
Collection year 2012
Language eng
Formatted abstract A new approach to the automatic generation of a quadrilateral mesh with arbitrary line constraints is proposed in this paper. It is an indirect all-quad mesh generation and presented in the following steps: (1) discretizing the constrained lines within the domain; (2) converting the above domain to a triangular mesh together with the line constraints; (3) transforming the generated triangular mesh with line constraints to an all-quad mesh through performing an advancing front algorithm from the line constraints, which enables the construction of quadrilaterals layer by layer, and roughly keeps the feature of the initial triangular mesh; (4) optimizing the topology of the quadrilateral mesh to reduce the number of irregular nodes; (5) smoothing the generated mesh toward high-quality all-quad mesh generation. Finally, a few application examples are given to demonstrate the reliability and usefulness of the proposed algorithm.
Keyword Mesh generation
Quadrilateral
Line constraint
Algorithm
Elements
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
Official 2012 Collection
Earth Systems Science Computational Centre Publications
 
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