This paper describes a new user-friendly hybrid surface mesh-generation method coupled with a modified hybrid volume mesh-generation method for viscous flow simulations. A suppressed marching-direction method is proposed to improve the quality of meshes at concave corners on surfaces and in volumes, such as aircraft wing–body junctions. Good-quality semistructured quadrilateral faces can be created around selected geometrical features with minimum user interventions using an advancing-layers-type method with a special treatment at concave corners. The hybrid volume mesh-generation method proposed by Ito et al. (Ito,Y., Shih, A. M., Soni, B. K., and Nakahashi, K., “Multiple Marching Direction Approach to Generate High Quality Hybrid Meshes,” AIAA Journal, Vol. 45, No. 1, 2007, pp. 162–167 and Ito, Y., Shih, A. M., and Soni, B. K., “Hybrid Mesh Generation with Embedded Surfaces Using a Multiple Marching Direction Approach,” International Journal for Numerical Methods in Fluids, Vol. 67, No. 1, 2011, pp. 1–7) has also been modified so that it creates good-quality hexahedra along concave corners. Computational simulations have been performed using resulting meshes to demonstrate the capability of the new methods.
Efficient Hybrid Surface/Volume Mesh Generation Using Suppressed Marching-Direction Method
AIAA Journal ; 51 , 6 ; 1450-1461
2013-04-22
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Efficient Hybrid Surface/Volume Mesh Generation Using Suppressed Marching-Direction Method
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