+ NASA Home + Ames Home + Sitemap + Staff Directory +Home HIGH END SYSTEMS + Pleiades + Columbia + Schirra NAS DIVISION IMAGES Grid and Pressure Contours on Boeing 777 Grid and pressure contours (108 million tetrahedral cells) on the Boeing 777 landing configuration. USM3D, a tetrahedral-cell-centered Navier-Stokes flow solver, is part of the NASA Tetrahedral Unstructured Software System (TetrUSS) suite. Credit: Shahyar Pirzadeh, Mohagna Pandya, NASA Langley Research Center + Feedback + Site Help + NASA Privacy Statement, Disclaimer, and Accessibility Certification Editor: Jill Dunbar Webmaster: Ryan Spaulding NASA Official: Rupak Biswas + Contact NAS Last Updated: July 13, 2009