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An approximate deconvolution procedure for large-eddy simulation. (English) Zbl 1147.76506
Summary: An alternative approach to large-eddy simulation based on approximate deconvolution (ADM) is developed. The main ingredient is an approximation of the nonfiltered field by truncated series expansion of the inverse filter operator. A posteriori tests for decaying compressible isotropic turbulence show excellent agreement with direct numerical simulation. The computational overhead of ADM is similar to that of a scale-similarity model and considerably less than for dynamic models.

MSC:
76F65Direct numerical and large eddy simulation of turbulence