Tips for Handling Complex Geometries, Very Large Grids

This webinar steps you through the meshing process for creating an unstructured grid around a moderately complex geometry. We pay particular attention to solid modeling, uses for scripting, local grid refinement, and creating orthogonal cells in the boundary layers. The geometry was provided by NASA and Gulfstream as a test case for participants in the BANC-III aeroacoustics workshop held in conjunction with AIAA Aviation.

Aeroacoustic simulations require a well-resolved flow field, from which pressure fluctuations are used to calculate frequency spectra. Such simulations are most often performed with hybrid RANS/LES or DDES, requiring very smooth transitions in cell volumes and highly resolved surface grids. We will show you how to create such a grid in Pointwise and will demonstrate best practices for handling complex CAD geometries and obtaining a mesh suitable for this type of application.