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Effects of the computational time step on numerical solutions for turbulent flowEffects of large computational time steps on the computed turbulence were investigated using a fully implicit method. In turbulent channel flow computations the largest computational time step in wall units which led to accurate prediction of turbulence statistics was determined. Turbulence fluctuations could not be sustained if the computational time step was near or larger than the Kolmogorov time scale.
Document ID
19950029093
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Choi, Haecheon
(Stanford Univ. Stanford, CA, United States)
Moin, Parviz
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 16, 2013
Publication Date
July 1, 1994
Publication Information
Publication: Journal of Computational Physics
Volume: 113
Issue: 1
ISSN: 0021-9991
Subject Category
Fluid Mechanics And Heat Transfer
Accession Number
95A60692
Funding Number(s)
CONTRACT_GRANT: F49620-93-1-0078
Distribution Limits
Public
Copyright
Other

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