NDLI: Nonlinear potential analysis techniques for supersonic aerodynamic design

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Nonlinear potential analysis techniques for supersonic aerodynamic design

Content Provider	NASA Technical Reports Server (NTRS)
Author	Shankar, V. Szema, K. Y.
Copyright Year	1985
Description	A numerical method based on the conservation form of the full potential equation has been applied to the problem of three-dimensional supersonic flows with embedded subsonic regions. The governing equation is cast in a nonorthogonal coordinate system, and the theory of characteristics is used to accurately monitor the type-dependent flow field. A conservative switching scheme is employed to transition from the supersonic marching procedure to a subsonic relaxation algorithm and vice versa. The newly developed computer program can handle arbitrary geometries with fuselage, canard, wing, flow through nacelle, vertical tail and wake components at combined angles of attack and sideslip. Results are obtained for a variety of configurations that include a Langley advanced fighter concept with fuselage centerline nacelle, Rockwell's Advanced Tactical Fighter (ATF) with wing mounted nacelles, and the Shuttle Orbiter configuration. Comparisons with available experiments were good.
File Size	6427276
Page Count	149
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19870008237
Archival Resource Key	ark:/13960/t3vt6j14x
Language	English
Publisher Date	1985-03-01
Access Restriction	Open
Subject Keyword	Aerodynamics Supersonic Flow Computational Fluid Dynamics Space Shuttles Potential Theory Wing Nacelle Configurations Computer Programs Algorithms Aerodynamic Configurations Three Dimensional Flow Flow Distribution Nonlinearity Aerodynamic Characteristics Spacecraft Configurations Fighter Aircraft Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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