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Surrogate-equation technique for simulation of steady inviscid flowA numerical procedure for the iterative solution of inviscid flow problems is described, and its utility for the calculation of steady subsonic and transonic flow fields is demonstrated. Application of the surrogate equation technique defined herein allows the formulation of stable, fully conservative, type dependent finite difference equations for use in obtaining numerical solutions to systems of first order partial differential equations, such as the steady state Euler equations. Steady, two dimensional solutions to the Euler equations for both subsonic, rotational flow and supersonic flow and to the small disturbance equations for transonic flow are presented.
Document ID
19810022587
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Johnson, G. M. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
September 1, 1981
Publication Information
Publisher: NASA
Subject Category
Aerodynamics
Report/Patent Number
NASA-TP-1866
E-583
Accession Number
81N31129
Funding Number(s)
PROJECT: RTOP 505-32-52
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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