Tips for Complex Geometries & Large Grids

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 the 2014 AIAA Aviation conference in Atlanta, Georgia, in June 2014.

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.

John Rhoads, Pointwise, Inc.

John Rhoads

 Pointwise, Inc.

John Rhoads completed his Ph.D. in plasma physics at Princeton University in 2013 and joined the Pointwise staff as senior engineer on the Sales and Marketing Team. Dr. Rhoads' dissertation topic was “Experimental Study of Magnetohydrodynamic Effects and Heat Transfer in Free-Surface, Flowing Liquid Metal.” Dr. Rhoads earned an M.A. in astrophysics from Princeton in 2009 and B.S. degrees in physics, engineering and mathematics from Texas Christian University in 2007.