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An efficient advancing layer viscous mesh generation method for 3D complex configurations

WANG, ZHI, Jaime Quintanal, Roque Corral

Proceedings, 26th International Meshing Roundtable, Elsevier, Science Direct, September 18-21 2017

INTERNATIONAL
MESHING
ROUNTABLE

26th International Meshing Roundtable
Barcelona, Spain
September 18-21, 2017

ZHI WANG, Universidad Politecnica de Madrid, ES, zhi.wang@upm.es
Jaime Quintanal, Industria de TurboPropulsores S. A., ES, jaime.quintanal@itp.es
Roque Corral, Industria de TurboPropulsores S. A., ES, roque.corral@itp.es

Abstract
This paper describes the implementation of an efficient and robust advancing layer viscous mesh generation method for 3D complex configurations. The method employs a pre-processing algorithm to identify cells that can be generated without further checkings, whereas the rest of the cells are checked by a standard layer-by-layer procedure. This method significantly reduces the number of proximity/intersection checking operations, substantially reducing the generation wall-clock time while maintaining the same robustness and quality of the baseline method. The practicability of the algorithm is demonstrated using examples of industrial complexity. Mesh generation time is reduced typically by a factor of about four, with respect to the conventional advancing layer method. This approach is useful for large size 3D complex configurations where mesh generation time and interactivity are crucial.

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