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An implicit algorithm for the conservative, transonic full-potential equation with effective rotated differencingA new differencing scheme for the conservative full potential equation which effectively simulates rotated differencing is presented. The scheme was implemented by an appropriate upwind bias of the density coefficient along coordinate directions. A fast, fully implicit, approximate factorization iteration scheme was then used to solve the resulting difference equations. Solutions for a number of traditionally difficult transonic airfoil test cases are presented.
Document ID
19790015738
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Holst, T. L. (NASA Ames Research Center Moffett Field, CA, United States)
Albert, J. (Santa Clara Univ. Calif., United States)
Date Acquired
September 4, 2013
Publication Date
April 1, 1979
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-78570
Accession Number
79N23909
Funding Number(s)
CONTRACT_GRANT: NCA2-OR-685-803
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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