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A consistent spatial differencing scheme for the transonic full-potential equation in three dimensionsA full-potential steady transonic wing flow solver has been modified so that freestream density and residual are captured in regions of constant velocity. This numerically precise freestream consistency is obtained by slightly altering the differencing scheme without affecting the implicit solution algorithm. The changes chiefly affect the fifteen metrics per grid point, which are computed once and stored. With this new method, the outer boundary condition is captured accurately, and the smoothness of the solution is especially improved near regions of grid discontinuity.
Document ID
19860005776
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Thomas, S. D. (NASA Ames Research Center Moffett Field, CA, United States)
Holst, T. L. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1985
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-86716
NAS 1.15:86716
REPT-85213
Accession Number
86N15246
Funding Number(s)
PROJECT: RTOP 505-31-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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