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Pointwise Forum to Focus on Complex Geometries, Very Large Grids
Posted Thu July 24, 2014 @05:46PM
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Announcements Pointwise will host a Let’s Talk Meshing interactive forum at 10 a.m. CDT (GMT -5) on 6 August to discuss tips for handling complex geometries and very large grids. A prerecorded video will be posted to YouTube and the Pointwise engineers who made the grid will be available for a live discussion and a question-and-answer session.

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The video demonstrates each step of the meshing process for creating an unstructured grid around a moderately complex geometry, paying 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.

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. The video will demonstrate how to create such a grid in Pointwise and best practices for handling complex CAD geometries and obtaining a mesh suitable for this type of application. Individuals may go to to participate. Links to the scripts used in creating the mesh will be in the synopsis of the video on YouTube when the forum begins.

Those who want to submit questions can do so in four ways:

  • YouTube – go to at the start of the event to be directed to the video. Enter questions in the comments section.
  • Twitter – Use the #LetsTalkMeshing hashtag to participate in a live streaming conversation utilizing Twitter.
  • CFD Online – participants should click at the start of the event to be directed to the Pointwise and Gridgen Preprocessing forum.
  • Email – questions may be submitted to

YouTube, Twitter and CFD Online require users to have an account.

The event will be hosted by Travis Carrigan and John R. Rhoads, Ph.D. Mr. Carrigan joined Pointwise as a senior engineer after completing his M.S. in aerospace engineering at the University of Texas at Arlington in May 2011. He interned at Pointwise beginning May 2008, producing demonstration and application videos and working in technical support, doing grid projects and quality assurance testing. He received his B.S. in aerospace engineering in 2009 from UTA. Dr. 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. He 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.

Pointwise, Inc. is solving the top problem facing engineering analysts today – mesh generation for computational fluid dynamics (CFD). The company’s Pointwise software generates structured, unstructured and hybrid meshes; interfaces with CFD solvers, such as ANSYS FLUENT, STAR-CCM+, ANSYS CFX and OpenFOAM as well as many neutral formats, such as CGNS; runs on Windows (Intel and AMD), Linux (Intel and AMD), and Mac, and has a scripting language, Glyph, that can automate CFD meshing. Large manufacturing firms and research organizations worldwide rely on Pointwise as their complete CFD preprocessing solution.

More information about Pointwise is available at Pointwise is a registered trademark and Pointwise Glyph and T-Rex are trademarks of Pointwise, Inc. All other trademarks are property of their respective owner.

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