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Automated Hex Meshing For Turbomachinery Secondary Air System

Wang, Feng and Luca di Mare

21st International Meshing Roundtable, Springer-Verlag, pp.549-566, October 7-10 2012


21st International Meshing Roundtable
San Jose, CA
October 7-10,2012

Department of Mechanical Engineering, Imperial College London, UK

In this paper, we present a novel process of creating hexahedral meshes for the turbomachinery secondary air system. The meshing process is automated from the geometry import to the mesh setup and requires minimum human interventions. The core of the process is a hexahedral meshing algorithm with a boundary layer mesh automatically created. The hex meshing algorithm combines the pave-sweep, general sheet-insertion and a novel technique which creates the boundary layer mesh by carefully placing, maintaining and dicing a buffer layer around a geometry. After the mesh is created, relevant boundary conditions for the mesh are also assigned automatically. The whole meshing process is systematically automated and has the potential to considerably reduce the time cost in meshing the turbomachinery secondary air system.

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