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Aligned Metric-Based Anisotropic Solution Adaptive Mesh Generation

Marcum, David and Frederic Alauzet

23rd International Meshing Roundtable, Elsevier Ltd., October 12-15 2014


23rd International Meshing Roundtable
London, UK
October 12-15,2014

Center for Advanced Vehicular Systems and Dept. of Mechanical Engineering, Mississippi State University, USA
Gamma3 Team, INRIA Paris-Roquencourt, Le Chesnay, France

A new aligned metric-based anisotropic mesh generation procedure is presented. The approach uses an advancing-point type point placement that aligns the elements with the underlying metric field. It is based on well-proven methodology combined with new novel point-placement strategies that are aligned with an underlying metric field. This simple strategy produces solution-adapted anisotropic meshes that are optimal in size and alignment with the solution gradients upon which the metric field is based. The overall methodology is implemented in a 2D process that is fully extendable to 3D. Results for several analytical and actual CFD simulation examples are presented that demonstrate that aligned high-quality anisotropic meshes that are optimal for the solution process can be reliably generated.

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