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Parallel CFD design on network-based computerCombining multiple engineering workstations into a network-based heterogeneous parallel computer allows application of aerodynamic optimization with advanced computational fluid dynamics codes, which can be computationally expensive on mainframe supercomputers. This paper introduces a nonlinear quasi-Newton optimizer designed for this network-based heterogeneous parallel computing environment utilizing a software called Parallel Virtual Machine. This paper will introduce the methodology behind coupling a Parabolized Navier-Stokes flow solver to the nonlinear optimizer. This parallel optimization package is applied to reduce the wave drag of a body of revolution and a wing/body configuration with results of 5% to 6% drag reduction.
Document ID
19950059057
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cheung, Samson
(NASA Ames Research Center Mountain View, CA, US, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1995
Publication Information
Publisher: American Institute of Aeronautics and Astronautics
Subject Category
Computer Systems
Report/Patent Number
AIAA PAPER 95-0984
Accession Number
95A90656
Distribution Limits
Public
Copyright
Other

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