New strategies for mitigating the gray area in delayed-detached eddy simulation models

A Pont-Vílchez, A Duben, A Gorobets, A Revell, A Oliva… - AIAA journal, 2021 - arc.aiaa.org
This paper presents a new approach for mitigating the unphysical delay in the Reynolds-
averaged Navier–Stokes (RANS) to large-eddy simulation (LES) transition, often referred to …

Assessment of LES techniques for mitigating the Grey Area in DDES models

A Pont Vilchez, D Santos Serrano… - … for Aeronautics and …, 2019 - upcommons.upc.edu
The slow RANS-LES transition is a well-known shortcoming in hybrid turbulence models
such as DelayedDetached Eddy Simulation (DDES). The present work assesses the …

A new grey area mitigation technique for DES: theory and assessment

A Pont Vilchez - 2020 - upcommons.upc.edu
The use of hybrid RANS-LES methods has become widespread during the last decade, as
an interesting approach for covering the gap between RANS and LES turbulence models in …