Temporal large-eddy simulation: theory and implementation

被引:23
|
作者
Pruett, C. [1 ]
机构
[1] James Madison Univ, Dept Math & Stat, Harrisonburg, VA 22807 USA
关键词
large-eddy simulation; approximate deconvolution model; time-domain filtering;
D O I
10.1007/s00162-007-0063-0
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
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.
引用
收藏
页码:275 / 304
页数:30
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