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The objective of this work is the comparison of three different DES-style hybrid RANS/LES implementations based on the Wilcox k–ω model. The three variants are designed to investigate alternative methods of substitution of the DES length scale within the background Reynolds Averaged Navier-Stokes (RANS) model. Basis for comparison is provided by both the idealised case of the decay of isotropic turbulence...
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