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Production runs on workstation cluster platforms by aerospace giant Boieng confirm the accuracy and cost savings of NASA's OVERFLOW code. Using OVERFLOW, Boeing better understands the aerodynamic drag forces on the whole aft region of the MD11 (the rear body of the fuselage, the boundary layer diverter and the number two engine) by evaluating the flow field surrounding the vehicle.

National Aeronautics and Space Administration

High-Performance Computing and Communications Program

Ames Research Center
M/S 269-3
Moffett Field, CA 94035-1000

Issue 5, April 1998

INSIGHTS is published by the HPCC Program office. For more information, visit the HPCC home page.

Program manager: Bill Feiereisen
Editor, photography, design: Judy Conlon
Copyediting: Berylene Rogers
Inbrief design: Dave Walthart
Web Page design: Colleen Kaiser

All products or services mentioned in this document are the trademarks, service marks, registered trademarks or registered service marks of their respective owners.

Special thanks to the following contributors:
Richard Anderson, John Bell, Gail Felchle, Charles Chamberlin, Lisa Coyle, James Donald, Pat Elson, Diane Harper, Larry Hofman, Jeanette Johnston, Christine Kleiber, Joanne King, Todd Novak, Nicky Oduma and Mike Schultz.

On the Cover: Boeing's John Vassberg explains how his company improves the aerodynamic efficiency of the MD11 using NASA's OVERFLOW code. The flow field on the boundary layer diverter on the number two engine of the MD11 (shown in the background) is analyzed using this computational fluid dynamics code.