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A temporal approximate deconvolution model for large-eddy simulation

delete2006-02-07
delete26
PRE
AI
C
C. David Pruett *
B
Benjamin C. Thomas
C
C. E. Grosch
T
T. B. Gatski
DOI：10.1063/1.2173288delete
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Abstract

Abstract

En 中文
A temporal approximate deconvolution model (TADM) is developed for large-eddy simulation and is demonstrated for plane-channel flow at Re-tau=590. The TADM combines explicit causal time-domain filtering with linear deconvolution (defiltering) to approximate unfiltered fields and residual stress to arbitrarily high order. The TADM methodology appears to lead to a robust family of residual-stress models that should provide a viable alternative to conventional (spatial) filtering for applications in which spatial filtering is problematic, e.g., for problems requiring unstructured or highly stretched grids. (c) 2006 American Institute of Physics.
Keywords:
CHANNEL FLOW
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Journal

Physics of Fluids cover
Physics of Fluids
IF:
4.3
Papers:
2.9W
Citations:
8.0W

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