A hybrid RANS-LES approach with delayed-DES and wall-modelled LES capabilities

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Development of DDES and IDDES Formulations for the k-ω Shear Stress Transport Model (2012, methodology): “In this combined approach, the empiric function providing shielding of the DDES branch of the model from MSD is similar to the function fd in DDES and reads as follows [4]:”
Reynolds-stress-constrained large-eddy simulation of wall-bounded turbulent flows (2012, methodology): “It should be mentioned that the IDDES method (Shur et al. 2008) can also solve the log-layer mismatch problem.”
Large eddy simulation with modeled wall-stress: recent progress and future directions (2016, methodology): “Shur et al. (2008) used a blending function that caused a more abrupt changeover, arguing that this promotes instabilities that more rapidly lead to resolved LES turbulence.”
A Physics-informed Diffusion Model for High-fidelity Flow Field Reconstruction (2022, methodology): “We conduct experiments on the following tasks to investigate the capability of the diﬀu-sion for the easier task of 4 × upsampling, but the diﬀusion model can recover more details for the more challenging scenarios (Figure 4, 6).”