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Numerical solution of compressible viscous flows at high Reynolds numbersA new numerical method which was used to reduce the computation time required in fluid dynamics to solve the Navier-Stokes equations at flight Reynolds numbers is described. The method is the implicit analogue of the explicit finite different method. It uses this as its first stage, while the second stage removes the restrictive stability condition by recasting the difference equations in an implicit form. The resulting matrix equations to be solved are either upper or lower block bidiagonal equations. The new method makes it possible and practical to calculate many important three dimensional, high Reynolds number flow fields on computers.
Document ID
19810012496
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Maccormack, R. W.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 4, 2013
Publication Date
March 1, 1981
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-81279
A-8524
Accession Number
81N21025
Funding Number(s)
PROJECT: RTOP 505-31-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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