NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Aerodynamic Influence Coefficient Computations Using Euler/Navier-Stokes Equations on Parallel ComputersModem design requirements for an aircraft push current technologies used in the design process to their limit or sometimes require more advanced technologies to meet the requirement. New design requirements always demand to improve the operational performance. Accurate prediction of aerodynamic coefficients is essential to improve the performance. For example, in the design of an advanced subsonic civil transport, since the fluid flow at transonic regime shows strong nonlinearities, high fidelity equations, such as the Euler or Navier-Stokes equations predict flow characteristics more accurately than the linear aerodynamics, which are widely used in the current design process However, high fidelity flow equations are computationally expensive and require an order of magnitude longer time to obtain aerodynamic coefficients required in the design. Parallel computing is one possibility to cut down the computational turn-around time in using high fidelity equations so that high fidelity equations would be incorporated into the design process. By doing so, high fidelity equations would be used in the routine design process. This work will demonstrate the feasibility of using high fidelity flow equations in a design process by computing aerodynamic influence coefficients of a wing-body-empennage configuration on a multiple-instruction, multiple-data parallel computer.
Document ID
20020038884
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Byun, Chansup
(MCAT Inst. United States)
Farhangnia, Mehrdad
(MCAT Inst. United States)
Bhatia, Kumar
(Boeing Co. United States)
Guruswamy, Guru
(NASA Ames Research Center Moffett Field, CA United States)
VanDalsem, William R.
Date Acquired
August 20, 2013
Publication Date
January 1, 1996
Subject Category
Computer Programming And Software
Meeting Information
Meeting: 38th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Location: Kissimmee, FL
Country: United States
Start Date: April 7, 1997
End Date: April 10, 1997
Sponsors: American Society of Civil Engineers, American Society for Composites, American Helicopter Society, Inc., American Inst. of Aeronautics and Astronautics, American Society of Mechanical Engineers
Funding Number(s)
PROJECT: RTOP 509-10-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.
No Preview Available