期刊
THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS
卷 22, 期 3-4, 页码 275-304出版社
SPRINGER
DOI: 10.1007/s00162-007-0063-0
关键词
large-eddy simulation; approximate deconvolution model; time-domain filtering
Large-eddy simulation (LES) has relied almost exclusively on spatial filtering to separate resolved and unresolved scales. For many reasons, temporal filtering may be more natural, particularly for flows of engineering interest. The paper develops the theory of temporal LES (TLES) and provides a demonstration of the concept by simulations of viscous Burger's flow and incompressible plane-channel flow. The latter is accomplished by adapting the approximate deconvolution model (ADM) of Stolz and Adams (Phys. Fluids 11:1699, 1999) to causal, time-domain filtering. The temporal variant of the ADM is termed the TADM.
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