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Aircraft geometry verification with enhanced computer generated displaysA method for visual verification of aerodynamic geometries using computer generated, color shaded images is described. The mathematical models representing aircraft geometries are created for use in theoretical aerodynamic analyses and in computer aided manufacturing. The aerodynamic shapes are defined using parametric bi-cubic splined patches. This mathematical representation is then used as input to an algorithm that generates a color shaded image of the geometry. A discussion of the techniques used in the mathematical representation of the geometry and in the rendering of the color shaded display is presented. The results include examples of color shaded displays, which are contrasted with wire frame type displays. The examples also show the use of mapped surface pressures in terms of color shaded images of V/STOL fighter/attack aircraft and advanced turboprop aircraft.
Document ID
19820021392
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Cozzolongo, J. V. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1982
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.15:84254
NASA-TM-84254
Accession Number
82N29268
Funding Number(s)
PROJECT: RTOP 535-03-12
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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